Oppo K13x 5G
Vivo T4R

Oppo K13x 5G Vivo T4R

Common Features

  • Both products have a 120Hz refresh rate.
  • Both products use OLED/AMOLED display technology.
  • Both products support Always-On Display.
  • Both products have a 50MP main camera.
  • Both products have a dual-lens main camera.
  • Both products have a CMOS sensor in their main camera.
  • Both products support continuous autofocus when recording movies.
  • Both products run Android 15.
  • Both products have clipboard warnings.
  • Both products have location privacy options.
  • Both products have camera/microphone privacy options.
  • Both products can block app tracking.
  • Both products have a rechargeable battery.
  • Both products support fast charging.
  • Both products have stereo speakers.
  • Both products support Bluetooth 5.4.
  • Both products have USB Type-C.
  • Both products have 5G support.
  • Both products have two SIM slots.

Main Differences

  • Water resistance is present on Oppo K13x 5G but Vivo T4R is waterproof.
  • Oppo K13x 5G weighs 194 g while Vivo T4R weighs 183.5 g.
  • Oppo K13x 5G is 7.9 mm thick while Vivo T4R is 7.4 mm thick.
  • Oppo K13x 5G has a width of 76.2 mm while Vivo T4R has a width of 76.7 mm.
  • Oppo K13x 5G has a height of 165.7 mm while Vivo T4R has a height of 163.3 mm.
  • Oppo K13x 5G has a volume of 99.748086 cm³ while Vivo T4R has a volume of 92.685814 cm³.
  • Oppo K13x 5G has an IP65 rating while Vivo T4R has an IP68 rating.
  • Oppo K13x 5G has a screen size of 6.67″ while Vivo T4R has a screen size of 6.77″.
  • Oppo K13x 5G has a pixel density of 264 ppi while Vivo T4R has a pixel density of 388 ppi.
  • Oppo K13x 5G has a resolution of 720 x 1604 px while Vivo T4R has a resolution of 1080 x 2392 px.
  • Oppo K13x 5G has 128GB of internal storage while Vivo T4R has 256GB of internal storage.
  • Oppo K13x 5G has 8GB of RAM while Vivo T4R has 12GB of RAM.
  • Oppo K13x 5G uses the MediaTek Dimensity 6300 chipset while Vivo T4R uses the MediaTek Dimensity 7400 chipset.
  • Oppo K13x 5G has an Arm Mali-G57 MC2 GPU while Vivo T4R has a Mali G615 MC2 GPU.
  • Oppo K13x 5G has a CPU speed of 2 x 2.4 & 6 x 2 GHz while Vivo T4R has a CPU speed of 4 x 2.6 & 4 x 2 GHz.
  • Oppo K13x 5G has a GPU clock speed of 950 MHz while Vivo T4R has a GPU clock speed of 1047 MHz.
  • Oppo K13x 5G has RAM speed of 2133 MHz while Vivo T4R has RAM speed of 6400 MHz.
  • Oppo K13x 5G has a 6 nm semiconductor size while Vivo T4R has a 4 nm semiconductor size.
  • Oppo K13x 5G has a maximum memory bandwidth of 17.07 GB/s while Vivo T4R has a maximum memory bandwidth of 25.6 GB/s.
  • Oppo K13x 5G supports a maximum memory amount of 12GB while Vivo T4R supports a maximum memory amount of 16GB.
  • Oppo K13x 5G uses DDR4 memory while Vivo T4R uses DDR5 memory.
  • Oppo K13x 5G has an 8MP front camera while Vivo T4R has a 32MP front camera.
  • Oppo K13x 5G does not have built-in optical image stabilization while Vivo T4R has built-in optical image stabilization.
  • Oppo K13x 5G records video at 1080 x 30 fps on the main camera while Vivo T4R records video at 2160 x 30 fps on the main camera.
  • Oppo K13x 5G has a front camera with a wide aperture of 2f while Vivo T4R has a front camera with a wide aperture of 2.45f.
  • Oppo K13x 5G has a battery power of 6000 mAh while Vivo T4R has a battery power of 5700 mAh.
  • Oppo K13x 5G supports a charging speed of 45W while Vivo T4R supports a charging speed of 44W.
  • Oppo K13x 5G has a 3.5mm audio jack while Vivo T4R does not have a 3.5mm audio jack.
  • Oppo K13x 5G supports Wi-Fi 4 and Wi-Fi 5 while Vivo T4R supports Wi-Fi 4, Wi-Fi 5, and Wi-Fi 6.
  • Oppo K13x 5G does not have a gyroscope while Vivo T4R has a gyroscope.
Specs Comparison
Oppo K13x 5G

Oppo K13x 5G

Vivo T4R

Vivo T4R

Design:
water resistance Water resistant Waterproof
weight 194 g 183.5 g
thickness 7.9 mm 7.4 mm
width 76.2 mm 76.7 mm
height 165.7 mm 163.3 mm
volume 99.748086 cm³ 92.685814 cm³
Ingress Protection (IP) rating IP65 IP68
has a rugged build
can be folded

The Oppo K13x 5G and Vivo T4R differ slightly in design specifications. Both devices offer water resistance, with the Oppo K13x 5G being labeled as water resistant and the Vivo T4R as waterproof, suggesting a higher level of water protection for the Vivo device.

When it comes to weight, the Vivo T4R is lighter at 183.5 g compared to the Oppo K13x 5G's 194 g. The Vivo T4R is also thinner, measuring 7.4 mm in thickness, while the Oppo K13x 5G has a thickness of 7.9 mm. In terms of width, the two products are quite close, with the Oppo K13x 5G at 76.2 mm and the Vivo T4R at 76.7 mm. The height of the Oppo K13x 5G is 165.7 mm, slightly taller than the Vivo T4R's 163.3 mm.

Looking at the overall volume, the Oppo K13x 5G has a larger volume at 99.75 cm³ compared to the Vivo T4R's 92.69 cm³. Both devices do not feature a rugged build and cannot be folded. Regarding Ingress Protection, the Oppo K13x 5G is rated IP65, while the Vivo T4R offers the higher IP68 rating, indicating better resistance to dust and water immersion.

Display:
Display type OLED/AMOLED OLED/AMOLED
screen size 6.67" 6.77"
pixel density 264 ppi 388 ppi
resolution 720 x 1604 px 1080 x 2392 px
refresh rate 120Hz 120Hz
has branded damage-resistant glass
supports HDR10
supports HDR10+
Always-On Display
supports Dolby Vision
Has a secondary screen
has a touch screen

Both the Oppo K13x 5G and Vivo T4R feature OLED/AMOLED displays, providing vibrant colors and deep blacks. The screen size on the Vivo T4R is slightly larger at 6.77″, while the Oppo K13x 5G has a 6.67″ display. The Vivo T4R also boasts a higher pixel density of 388 ppi compared to the Oppo K13x 5G's 264 ppi, offering a sharper image.

In terms of resolution, the Oppo K13x 5G has a lower 720 x 1604 px resolution, while the Vivo T4R has a higher 1080 x 2392 px resolution, resulting in more detail and clarity on the Vivo device's display. Both products support a 120Hz refresh rate, ensuring smooth scrolling and fluid visuals.

Neither device features branded damage-resistant glass, supports HDR10 or HDR10+, or supports Dolby Vision. However, both phones offer an Always-On Display feature, and both have a touch screen. Neither device has a secondary screen.

Performance:
internal storage 128GB 256GB
RAM 8GB 12GB
Chipset (SoC) name MediaTek Dimensity 6300 MediaTek Dimensity 7400
GPU name Arm Mali-G57 MC2 Mali G615 MC2
CPU speed 2 x 2.4 & 6 x 2 GHz 4 x 2.6 & 4 x 2 GHz
GPU clock speed 950 MHz 1047 MHz
Has integrated LTE
RAM speed 2133 MHz 6400 MHz
semiconductor size 6 nm 4 nm
Supports 64-bit
DirectX version DirectX 12 DirectX 12
Has integrated graphics
Uses big.LITTLE technology
CPU threads 8 threads 8 threads
Uses HMP
maximum memory bandwidth 17.07 GB/s 25.6 GB/s
maximum memory amount 12GB 16GB
DDR memory version 4 5

The Oppo K13x 5G and Vivo T4R both offer impressive performance, but they differ in key areas. The Oppo K13x 5G comes with 128GB of internal storage and 8GB of RAM, while the Vivo T4R has 256GB of internal storage and 12GB of RAM, offering more space and memory for apps and multitasking.

In terms of the chipset, the Oppo K13x 5G is powered by the MediaTek Dimensity 6300, while the Vivo T4R uses the newer MediaTek Dimensity 7400. The Vivo device's chipset runs at a higher CPU speed, with 4 cores at 2.6 GHz and 4 cores at 2 GHz, compared to the Oppo's 2 cores at 2.4 GHz and 6 cores at 2 GHz. The GPU clock speed is also higher on the Vivo T4R, at 1047 MHz, compared to 950 MHz on the Oppo K13x 5G.

Other performance aspects show a clear difference in the memory specs. The Oppo K13x 5G has RAM running at 2133 MHz, while the Vivo T4R offers a much faster 6400 MHz. The Vivo T4R also benefits from a smaller 4 nm semiconductor size, compared to the Oppo K13x 5G's 6 nm, allowing for potentially better efficiency and performance. Additionally, the maximum memory bandwidth is higher on the Vivo T4R, at 25.6 GB/s, compared to 17.07 GB/s on the Oppo K13x 5G. Both devices support 64-bit processing, use big.LITTLE technology, and are equipped with integrated LTE, integrated graphics, and DirectX 12 support. However, the maximum memory amount is higher on the Vivo T4R, supporting up to 16GB of RAM, while the Oppo K13x 5G is limited to 12GB.

Cameras:
megapixels (main camera) 50 & 2 MP 50 & 2 MP
wide aperture (main camera) 2.4 & 1.8f 2.4 & 1.8f
Has a dual-lens (or multi-lens) main camera
megapixels (front camera) 8MP 32MP
has built-in optical image stabilization
video recording (main camera) 1080 x 30 fps 2160 x 30 fps
Has a dual-tone LED flash
number of flash LEDs 1 1
has a BSI sensor
has a CMOS sensor
has continuous autofocus when recording movies
Has phase-detection autofocus for photos
supports slow-motion video recording
has a built-in HDR mode
has manual exposure
has a flash
optical zoom 0x 0x
has manual ISO
has a serial shot mode
has manual focus
has a front camera
Has laser autofocus
Shoots 360° panorama
has manual white balance
has touch autofocus
has manual shutter speed
can create panoramas in-camera
wide aperture (front camera) 2f 2.45f
Has timelapse function
Has a front-facing LED flash
has a dual-lens (or multi-lens) front camera
supports HDR10 recording
supports Dolby Vision recording
has a front-facing camera under the display
Has a RGB LED flash
has 3D photo/video recording capabilities

The Oppo K13x 5G and Vivo T4R have similar main camera setups, both featuring dual-lens configurations with 50 MP and 2 MP lenses. The wide apertures for both devices are also the same, at 2.4f and 1.8f for the main camera. Both phones support phase-detection autofocus for photos, continuous autofocus when recording movies, and manual focus. Additionally, both devices offer features like slow-motion video recording, built-in HDR mode, manual exposure, and the ability to create panoramas in-camera.

However, the front cameras show a significant difference. The Oppo K13x 5G has an 8 MP front camera with a wide aperture of 2f, while the Vivo T4R is equipped with a much higher resolution 32 MP front camera and a slightly wider aperture of 2.45f. Neither device features a front-facing LED flash, dual-lens front camera, or front-facing camera under the display.

For video recording, the Oppo K13x 5G supports 1080 x 30 fps resolution, while the Vivo T4R offers a higher resolution of 2160 x 30 fps. Both phones lack built-in optical image stabilization on the main camera, but the Vivo T4R does include optical image stabilization for the front camera. Neither phone supports HDR10 or Dolby Vision recording, and both devices have a flash, with one LED flash for each.

Operating system:
Android version Android 15 Android 15
has clipboard warnings
has location privacy options
has camera/microphone privacy options
has Mail Privacy Protection
has theme customization
can block app tracking
blocks cross-site tracking
has on-device machine learning
has notification permissions
has media picker
Can play games while they download
has dark mode
has Wi-Fi password sharing
has battery health check
has an extra dim mode
has focus modes
has dynamic theming
can offload apps
Has customizable notifications
has Live Text
has full-page screenshots
supports split screen
gets direct OS updates
has PiP
Can be used as a PC
Has sharing intents
has a child lock
Supports widgets
Is free and open source
Has offline voice recognition
has voice commands
Tracks the current position of a mobile device
is a multi-user system
has Quick Start

Both the Oppo K13x 5G and Vivo T4R run on Android 15 and share many operating system features. These include clipboard warnings, location privacy options, camera/microphone privacy options, theme customization, and the ability to block app tracking. Both devices also support dark mode, have on-device machine learning, customizable notifications, and Live Text. Additionally, both phones offer media pickers, can play games while they download, and support split-screen functionality.

While they share several features, there are no key differences between the two in terms of operating system capabilities. Neither phone supports Wi-Fi password sharing, has a Mail Privacy Protection feature, or gets direct OS updates. They both have a child lock, offline voice recognition, voice commands, and can track the device's current position. Both also support widgets, dynamic theming, and PiP (Picture in Picture) mode, as well as full-page screenshots and focus modes.

One area where they both match is in their openness—both devices are free and open source and support multi-user systems. Features like battery health check, the extra dim mode, app offloading, manual exposure, and Quick Start are available on both phones as well. Neither device can be used as a PC, and both lack laser autofocus or the ability to block cross-site tracking. Overall, the two devices have identical operating system features, making their software experiences largely the same.

Battery:
battery power 6000 mAh 5700 mAh
has wireless charging
Supports fast charging
charging speed 45W 44W
has a removable battery
has a battery level indicator
has a rechargeable battery

The Oppo K13x 5G and Vivo T4R both feature non-removable, rechargeable batteries, but there are some differences in their battery specifications. The Oppo K13x 5G has a larger 6000 mAh battery, compared to the 5700 mAh battery in the Vivo T4R. Both devices offer fast charging support, with the Oppo K13x 5G supporting 45W charging and the Vivo T4R supporting 44W charging, which are very similar in terms of charging speed.

Neither phone supports wireless charging, and both include a battery level indicator, allowing users to monitor their battery status. Additionally, both phones have rechargeable batteries and do not feature removable batteries.

Overall, the Oppo K13x 5G has a slightly larger battery capacity, while both devices offer similar fast-charging capabilities and lack wireless charging support.

Audio:
has a socket for a 3.5 mm audio jack
has stereo speakers
has aptX
has LDAC
has aptX HD
has aptX Adaptive
has aptX Lossless
Has a radio

The Oppo K13x 5G and Vivo T4R differ in their audio features. The Oppo K13x 5G includes a 3.5 mm audio jack, allowing for wired audio connections, while the Vivo T4R does not have this jack. Both devices come with stereo speakers, providing enhanced audio quality compared to single-speaker setups.

Neither device supports advanced audio codecs such as aptX, LDAC, aptX HD, aptX Adaptive, or aptX Lossless. Both phones also lack a built-in radio function, which means users will need to rely on streaming services for radio listening.

In summary, the Oppo K13x 5G stands out with its inclusion of a 3.5 mm audio jack, while the Vivo T4R omits this feature, but both devices share the same limitations in terms of audio codec support and lack of radio functionality.

Connectivity & Features:
release date June 2025 July 2025
has 5G support
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
SIM cards 2 SIM 2 SIM
Bluetooth version 5.4 5.4
has an external memory slot
Has USB Type-C
USB version 2 2
has NFC
Has a fingerprint scanner
has emergency SOS via satellite
has crash detection
is DLNA-certified
has a gyroscope
supports ANT+
Has a heart rate monitor
has GPS
has a compass
supports Wi-Fi
Has an infrared sensor
has an accelerometer
has a cellular module
Has a barometer
has an HDMI output
Uses 3D facial recognition
Has an iris scanner
Stylus included
supports Galileo
Has motion tracking
Has optical tracking
Has a built-in projector

Both the Oppo K13x 5G and Vivo T4R support 5G connectivity, making them ready for high-speed mobile data. In terms of Wi-Fi, the Oppo K13x 5G supports Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac), while the Vivo T4R adds support for Wi-Fi 6 (802.11ax), offering potentially faster and more efficient Wi-Fi performance. Both phones use Bluetooth 5.4, have USB Type-C ports with USB 2.0, and do not have NFC capabilities.

Both devices have dual SIM card support and include a fingerprint scanner for security. Neither phone offers emergency SOS via satellite, crash detection, or DLNA certification. While both support GPS and have a compass, the Vivo T4R includes an additional feature, the gyroscope, which the Oppo K13x 5G lacks. Both phones also have accelerometers, cellular modules, and support for Galileo, but neither has a barometer, infrared sensor, HDMI output, or built-in projector.

In terms of additional features, both the Oppo K13x 5G and Vivo T4R lack motion tracking, optical tracking, 3D facial recognition, and an iris scanner. The Vivo T4R includes a gyroscope, which the Oppo K13x 5G does not, but otherwise, the two devices are quite similar in terms of connectivity and features.

Miscellaneous:
has a video light
Has sapphire glass display
Has a curved display
Has an e-paper display

Both the Oppo K13x 5G and Vivo T4R come equipped with a video light, which can be useful for improving lighting during video recording or photography in low-light environments. Neither device features sapphire glass displays, curved displays, or e-paper displays, so both have standard flat displays with conventional glass protection.

Overall, the Oppo K13x 5G and Vivo T4R are identical in terms of these miscellaneous features, with both providing a video light but lacking advanced display technologies like sapphire glass, curved displays, or e-paper displays.

Comparison Summary

This is a specification comparison between the Oppo K13x 5G and Vivo T4R. Both products feature 120Hz refresh rate, OLED/AMOLED display technology, and Always-On Display. The Oppo K13x 5G has a 6.67″ screen and a 50MP dual-lens main camera, while the Vivo T4R offers a 6.77″ screen and 32MP front camera. In terms of performance, the Oppo K13x 5G uses a MediaTek Dimensity 6300 chipset with 8GB of RAM, while the Vivo T4R features a Dimensity 7400 chipset and 12GB of RAM. Battery-wise, the Oppo K13x 5G supports 6000 mAh and 45W charging, while the Vivo T4R has a 5700 mAh battery and 44W charging speed.