Realme 12 4G specifications and in-depth review

Realme 12 4G

Manufacturer: Realme

The Realme 12 4G is a mid-range smartphone that balances a sizable screen with a notably slim profile of just 7.9 mm and a weight of 187 g. Running Android 14, it comes with 8GB of RAM and 256GB of internal storage, and it holds an IP54 rating for basic resistance against dust and water splashes. The device also earned a French Repairability Index score of 7.8, reflecting relatively accessible serviceability.

Powered by the Qualcomm Snapdragon 685 4G built on a 6 nm process, the Realme 12 4G pairs its octa-core CPU with an Adreno 610 GPU clocked at 1260 MHz. Its 6.67″ IPS LCD panel delivers a resolution of 1080 x 2400 px at 395 ppi alongside a 120Hz refresh rate and 600 nits of typical brightness. On the camera side, the dual-lens rear setup leads with a 50 MP sensor featuring optical image stabilization, while connectivity includes NFC, Bluetooth 5.0, Wi-Fi 5, and a 3.5 mm headphone jack. The 5000 mAh battery supports 67W fast charging and ships with a charger included.

Pros
  • The 120Hz refresh rate on the 6.67″ IPS LCD panel enables noticeably smoother scrolling and on-screen motion
  • 67W fast charging on a 5000 mAh battery allows for quicker top-ups, and a charger is included in the box
  • IP54 rating provides reliable protection against dust and water splashes in everyday situations
  • The main camera includes optical image stabilization, phase-detection autofocus, and a broad set of manual controls including ISO, exposure, focus, and white balance
  • A 3.5 mm headphone jack and stereo speakers are both present, supporting wired audio without adapters
  • The French Repairability Index score of 7.8 reflects a device that is relatively straightforward to service and repair
Cons
  • No wireless charging support, limiting charging flexibility
  • Video recording is capped at 1080p at 30 fps, with no higher resolution or frame rate options and no HDR10 recording
  • The display lacks branded damage-resistant glass and does not support HDR10, HDR10+ or Dolby Vision, reducing resilience and visual range
  • None of the advanced Bluetooth audio codecs — aptX, aptX HD, aptX Adaptive, aptX Lossless, or LDAC — are supported, restricting high-quality wireless audio
  • 5G connectivity is absent, limiting the device to 4G networks
  • OS updates are not delivered directly from the platform vendor, which may affect the timeliness of software and security patches
Who is this for?

This device suits everyday users who want a large-screen smartphone with smooth day-to-day performance, thanks to its 120Hz display and a 5000 mAh battery backed by 67W fast charging that keeps downtime short. The IP54 rating and French Repairability Index score of 7.8 make it a sensible pick for users who value some degree of durability and long-term serviceability. Those who prefer flexibility in their audio setup will appreciate the presence of both a 3.5 mm headphone jack and stereo speakers, and users who like hands-on control over their photography will find the range of manual camera controls — covering ISO, exposure, focus, and white balance — a practical asset for still photography and casual video shooting.

Who is this NOT for?

Users with demanding workloads or a need for smooth high-resolution video capture will find limitations here, as the chipset is not oriented toward heavy multitasking and video recording tops out at 1080p at 30 fps without HDR10 support. Mobile gamers or media enthusiasts who rely on advanced audio streaming will be constrained by the absence of aptX, LDAC, and related high-quality wireless codecs, as well as the display's lack of HDR10 or Dolby Vision certification. Those in areas where faster network infrastructure is available will also find the device unsuitable, as 5G connectivity is not supported, and users who depend on timely software and security updates may be frustrated by the absence of direct OS updates from the platform vendor.

Design:

water resistance Water resistant
weight 187 g
thickness 7.9 mm
width 75.5 mm
height 163 mm
volume 97.22135 cm³
Ingress Protection (IP) rating IP54
French Repairability Index 7.8
has a rugged build
can be folded

The Realme 12 4G has a conventional, non-folding form factor measuring 163 mm tall, 75.5 mm wide, and 7.9 mm thick, with a total volume of 97.22 cm³ and a weight of 187 g. It carries an IP54 rating, meaning it offers protection against dust ingress and water splashes from any direction, though it is not built to rugged standards. Rounding out its design credentials, the device holds a French Repairability Index score of 7.8, indicating a relatively high level of serviceability by design.

Display:

Display type LCD, IPS
screen size 6.67"
pixel density 395 ppi
resolution 1080 x 2400 px
refresh rate 120Hz
brightness (typical) 600 nits
has branded damage-resistant glass
supports HDR10
supports HDR10+
Always-On Display
supports Dolby Vision
Has a secondary screen
has a touch screen

The Realme 12 4G features a 6.67″ IPS LCD touchscreen with a resolution of 1080 x 2400 px and a pixel density of 395 ppi, producing reasonably sharp visuals across its large panel. It supports a 120Hz refresh rate for smoother on-screen motion, and typical brightness is rated at 600 nits. The display does not include branded damage-resistant glass, and it lacks support for HDR10, HDR10+, Dolby Vision, and Always-On Display functionality. There is no secondary screen on this device.

Performance:

internal storage 256GB
RAM 8GB
Chipset (SoC) name Qualcomm Snapdragon 685 4G
GPU name Adreno 610
CPU speed 4 x 2.8 & 4 x 1.9 GHz
Geekbench 6 result (multi) 1510
Geekbench 6 result (single) 473
PCMark Work 3.0 performance benchmark 8804
PCMark Work 3.0 battery benchmark 914 minutes
Geekbench 5 result (multi) 1787
Geekbench 5 result (single) 442
GPU clock speed 1260 MHz
Has integrated LTE
RAM speed 2133 MHz
semiconductor size 6 nm
Supports 64-bit
DirectX version DirectX 12
Has integrated graphics
OpenGL ES version 3.2
Uses big.LITTLE technology
CPU threads 8 threads
Has NX bit
Has TrustZone
maximum memory bandwidth 17 GB/s
OpenCL version 2
eMMC version 5.1
maximum memory amount 16GB
GPU turbo 1260 MHz
DDR memory version 4

The Realme 12 4G is driven by the Qualcomm Snapdragon 685 4G, a 6 nm octa-core chipset configured with four cores at 2.8 GHz and four at 1.9 GHz across 8 threads, making use of big.LITTLE technology for workload distribution. It is paired with 8GB of DDR4 RAM running at 2133 MHz, 256GB of eMMC 5.1 internal storage, and supports a maximum memory capacity of 16GB with a peak bandwidth of 17 GB/s. Graphics are handled by the integrated Adreno 610 GPU clocked at 1260 MHz, with support for DirectX 12, OpenGL ES 3.2, and OpenCL 2.0. The SoC integrates LTE, supports 64-bit processing, and includes both NX bit and TrustZone security features. In benchmarks, the device scores 473 single-core and 1510 multi-core on Geekbench 6, 442 single-core and 1787 multi-core on Geekbench 5, and achieves 8804 on PCMark Work 3.0 with a battery endurance result of 914 minutes on the same suite.

Cameras:

megapixels (main camera) 50 & 2 MP
wide aperture (main camera) 2.4 & 1.9f
Has a dual-lens (or multi-lens) main camera
megapixels (front camera) 16MP
has built-in optical image stabilization
video recording (main camera) 1080 x 30 fps
Has a dual-tone LED flash
number of flash LEDs 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
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
shoots raw
has touch autofocus
has manual shutter speed
can create panoramas in-camera
wide aperture (front camera) 2.5f
Has timelapse function
Has a front-facing LED flash
has a dual-lens (or multi-lens) front camera
supports HDR10 recording
has a front-facing camera under the display
Has a RGB LED flash
has 3D photo/video recording capabilities

The Realme 12 4G uses a dual-lens rear camera system led by a 50 MP main sensor at f/2.4 aperture, accompanied by a 2 MP lens at f/1.9, both using CMOS technology without a back-illuminated sensor. The main camera includes optical image stabilization, phase-detection autofocus, touch autofocus, and continuous autofocus during video recording, though laser autofocus is not present. Manual controls extend to exposure, ISO, focus, and white balance, while burst mode, HDR, panorama, slow-motion video, and timelapse are all supported; manual shutter speed and RAW capture are not available. Video recording tops out at 1080p at 30 fps, and there is no HDR10 recording or 3D video capability. A single LED flash is fitted at the rear — not dual-tone or RGB — and there is no front-facing flash. The front camera is a single-lens 16 MP unit with an f/2.5 aperture, positioned conventionally rather than under the display, and optical zoom is absent on the rear system.

Operating system:

Android version Android 14
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

The Realme 12 4G runs Android 14 and includes a broad set of privacy controls, covering clipboard warnings, location privacy options, and camera and microphone access management, though Mail Privacy Protection and cross-site tracking blocking are not present. App tracking can be blocked, and on-device machine learning is supported. On the customization side, the OS offers dark mode, dynamic theming, theme customization, widgets, and customizable notifications, while focus modes and app offloading are not available. Productivity features include split-screen multitasking, Picture-in-Picture, full-page screenshots, a media picker, sharing intents, and the ability to play games while they download. Offline voice recognition and voice commands are both supported, as are Live Text, phone tracking, multi-user support, a child lock, and a battery health check. Wi-Fi password sharing, Quick Start, and the ability to use the device as a PC are not included, and OS updates do not come directly from the platform vendor.

Battery:

battery power 5000 mAh
has wireless charging
Supports fast charging
charging speed 67W
comes with a charger
has a removable battery
has a battery level indicator
has a rechargeable battery

The Realme 12 4G is equipped with a 5000 mAh rechargeable, non-removable battery that supports 67W fast charging, and a charger is included in the box. A battery level indicator is present, making it straightforward to monitor charge status. Wireless charging is not supported.

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

The Realme 12 4G includes a 3.5 mm headphone jack and stereo speakers for wired listening and built-in audio output. On the wireless audio side, none of the advanced Bluetooth codec standards — aptX, aptX HD, aptX Adaptive, aptX Lossless, or LDAC — are supported.

Connectivity & Features:

has 5G support
Wi-Fi version Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
SIM cards 2 SIM
Bluetooth version 5
has an external memory slot
Has USB Type-C
USB version 2
has NFC
download speed 390 MBits/s
upload speed 150 MBits/s
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

The Realme 12 4G supports 4G cellular connectivity only, with no 5G capability, and accommodates two SIM cards alongside an external memory slot for expandable storage. Wireless connectivity covers Wi-Fi 5 (802.11ac) and Wi-Fi 4 (802.11n), Bluetooth 5.0, and NFC, while the wired interface is a USB Type-C port running at USB 2.0 speeds. Download speeds reach up to 390 Mbit/s and upload up to 150 Mbit/s. For navigation, the device includes GPS with Galileo support, a compass, a gyroscope, and an accelerometer, though a barometer is absent. Security is handled by a fingerprint scanner, with no 3D facial recognition or iris scanner present. Features such as ANT+, a heart rate monitor, an infrared sensor, HDMI output, DLNA certification, crash detection, satellite SOS, a built-in projector, motion tracking, optical tracking, and a stylus are all absent.

Miscellaneous:

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

The Realme 12 4G includes a video light for illumination during video recording. Its display is flat rather than curved, and it features neither sapphire glass nor an e-paper panel.

Final Verdict

The Realme 12 4G is a straightforward 4G smartphone that delivers a capable everyday experience through its large 6.67″ display with a smooth 120Hz refresh rate, a long-lasting 5000 mAh battery with 67W fast charging, and a dual-lens rear camera system equipped with optical image stabilization and a solid range of manual controls. Its IP54 rating and high French Repairability Index score add a layer of practical resilience that many users will appreciate over the long term. Where it falls short — particularly in video recording capability, the absence of advanced wireless audio codecs, and the lack of 5G connectivity — reflects a device that is clearly positioned for light to moderate daily use rather than demanding or specialist tasks. For users whose needs align with those boundaries, the Realme 12 4G represents a functionally well-rounded option; those with more intensive requirements will need to look toward a more capable platform.

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