Dell 15 DC15255 (2025) 15.6" specifications and in-depth review

Dell 15 DC15255 (2025) 15.6"

Manufacturer: Dell

The Dell 15 DC15255 (2025) 15.6″ is a productivity-focused laptop designed to handle demanding tasks with its solid specs. With a large screen size of 15.6″, it features a LCD, LED-backlit, IPS display that offers a comfortable viewing experience for extended use. Weighing 1900 g, it’s a mid-range portable laptop, suitable for professional use in various environments.

This laptop is equipped with 64GB of RAM running at 3200 MHz and a generous 2048GB of internal storage using flash technology. Powered by a CPU clocked at 8 x 2 GHz with turbo up to 4.5GHz, it offers good performance for multitasking and productivity applications. It also supports Wi-Fi 5 and includes an HDMI port, though it lacks modern USB-C and Thunderbolt options.

Pros
  • Equipped with 16 threads, enabling effective multithreading for multitasking and performance in demanding applications.
  • The integrated Radeon Vega 8 GPU provides a solid foundation for basic graphics processing and gaming at moderate settings.
  • Supports ECC memory, enhancing system reliability by detecting and correcting memory errors, ideal for data-sensitive tasks.
Cons
  • Lacks support for advanced graphical features like ray tracing or DLSS, limiting performance in graphically intensive tasks.
  • No Thunderbolt 3 or 4 ports, reducing high-speed connectivity options for external devices and peripherals.
  • Does not feature a fingerprint scanner, limiting options for secure, quick device access.
  • Lacks a MagSafe power adapter, which some users prefer for its magnetic connection and ease of use.
  • The lack of a touch screen may limit usability for those who prefer tactile interaction with their device.
Who is this for?

This product is ideal for users who require strong multitasking capabilities, thanks to its 16 threads and 64GB of RAM, making it suitable for productivity tasks like content creation, data analysis, or software development. It is also well-suited for light to moderate gaming or graphics work, thanks to the integrated Radeon Vega 8 GPU, which provides sufficient power for everyday graphics needs. The presence of ECC memory support adds reliability for data-sensitive applications where system stability is crucial.

Who is this NOT for?

This product is not suitable for users seeking high-end gaming or graphics performance, as it lacks support for advanced features like ray tracing and DLSS. Additionally, its absence of a Thunderbolt 3 or 4 ports and lack of fast connectivity options make it less ideal for users who need ultra-fast data transfer or external device support. Those who require advanced security features may find it lacking, as it does not include a fingerprint scanner or other biometrics.

Design:

Type Productivity
weight 1900 g
Uses a fanless design
Has a backlit keyboard
volume 1514.34 cm³
width 358 mm
height 235 mm
thickness 18 mm
is weather-sealed (splashproof)
has a rugged build

The Dell 15 DC15255 (2025) 15.6″ is designed as a productivity laptop, weighing 1900 g and with dimensions of 358 mm in width, 235 mm in height, and a thickness of 18 mm. It offers a compact build, though it does not feature a fanless design or a backlit keyboard. Additionally, it is not weather-sealed or rugged, making it more suited for general professional use rather than extreme environments. The laptop’s total volume is 1514.34 cm³, which supports its efficient use of space while maintaining portability.

Display:

screen size 15.6"
Display type LCD, LED-backlit, IPS
has a touch screen
brightness (typical) 250 nits
refresh rate 120Hz
has anti-reflection coating

The Dell 15 DC15255 (2025) 15.6″ features a 15.6-inch LCD, LED-backlit, IPS display, offering clear and vibrant visuals. While it does not include a touch screen, it supports a refresh rate of 120Hz, ensuring smoother on-screen motion. The screen provides a typical brightness of 250 nits and comes with an anti-reflection coating, helping to reduce glare and improve visibility in bright environments.

Performance:

RAM 64GB
RAM speed 3200 MHz
Uses flash storage
internal storage 2048GB
CPU speed 8 x 2 GHz
CPU threads 16 threads
Is an NVMe SSD
DirectX version DirectX 12
GPU clock speed 300 MHz
uses multithreading
maximum memory amount 64GB
DDR memory version 4
turbo clock speed 4.5GHz
GPU turbo 2000 MHz
PCI Express (PCIe) version 3
semiconductor size 7 nm
has XeSS (XMX)
Supports 64-bit

The Dell 15 DC15255 (2025) offers a high-performance configuration with 64GB of RAM running at 3200 MHz and 2048GB of flash storage using an NVMe SSD for fast data access. Its CPU runs at a base speed of 8 x 2 GHz, with turbo speeds up to 4.5GHz, and supports 16 threads for efficient multitasking. Additionally, it integrates DirectX 12 support, and the GPU features a clock speed of 300 MHz, along with GPU turbo capabilities up to 2000 MHz for improved graphics performance.

Benchmarks:

Geekbench 6 result (multi) 6277
Geekbench 6 result (single) 1633
PassMark result 18042
PassMark result (single) 3006

The Dell 15 DC15255 (2025) demonstrates strong performance in benchmark tests. In Geekbench 6, it achieved a multi-core score of 6277 and a single-core score of 1633, indicating efficient processing power for both multitasking and single-threaded tasks. Additionally, the laptop earned a PassMark result of 18042, with a single-core score of 3006, reflecting its overall processing and computational capabilities.

Connectivity:

USB 3.2 Gen 2 ports (USB-C) 0
USB 3.2 Gen 2 ports (USB-A) 0
USB 4 20Gbps ports 0
USB 4 40Gbps ports 0
Thunderbolt 4 ports 0
USB 3.2 Gen 1 ports (USB-C) 1
USB 3.2 Gen 1 ports (USB-A) 1
Thunderbolt 3 ports 0
has an HDMI output
Has USB Type-C
supports Wi-Fi
Wi-Fi version Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
has an external memory slot
RJ45 ports 0
HDMI ports 1
HDMI version HDMI 1.4
DisplayPort outputs 0
USB 2.0 ports 1
has AirPlay
mini DisplayPort outputs 0
has a VGA connector

The Dell 15 DC15255 (2025) offers a range of connectivity options, including 1 USB 3.2 Gen 1 Type-C port, 1 USB 3.2 Gen 1 Type-A port, and a USB 2.0 port for basic peripheral connections. It also supports Wi-Fi 5 (802.11ac) and Wi-Fi 4 (802.11n) for wireless internet, along with an HDMI 1.4 output for external display connections. Additionally, the laptop features an external memory slot and supports AirPlay, though it lacks Thunderbolt or DisplayPort outputs.

Battery:

battery size 41 Wh
Has sleep-and-charge USB ports
Has a MagSafe power adapter

The Dell 15 DC15255 (2025) is equipped with a 41 Wh battery, providing a balanced power source for everyday use. However, it does not feature sleep-and-charge USB ports or a MagSafe power adapter, which may limit some charging flexibility compared to other models.

Features:

release date August 2025
has stereo speakers
has a socket for a 3.5 mm audio jack
supports ray tracing
supports DLSS
has Dolby Atmos
Stylus included
Has a fingerprint scanner
number of microphones 1
Uses 3D facial recognition
has voice commands
has a front camera
Has S/PDIF Out port
has a gyroscope
has GPS
has an accelerometer
has a compass
Has an optical disc drive

The Dell 15 DC15255 (2025) offers several practical features, including stereo speakers and a 3.5mm audio jack for convenient audio output. It also includes a front camera for video calls, though it lacks advanced features like Dolby Atmos, ray tracing, or DLSS. Additionally, it comes with a single microphone, but does not support technologies like facial recognition or voice commands.

Miscellaneous:

clock multiplier 20
PassMark result (overclocked) 19844
number of transistors 10700 million
render output units (ROPs) 8
texture mapping units (TMUs) 32
shading units 512
GPU name Radeon Vega 8
Type Laptop
instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
Uses big.LITTLE technology
Has an unlocked multiplier
Has NX bit
OpenCL version 2.2
OpenGL version 4.6
GPU execution units 8
Has integrated graphics
L3 core 2 MB/core
L3 cache 16 MB
L2 core 0.5 MB/core
L2 cache 4 MB
L1 cache 512 KB
Supports ECC memory
memory channels 2
CPU temperature 95 °C
Thermal Design Power (TDP) 15W
RAM speed (max) 4267 MHz

The Dell 15 DC15255 (2025) is equipped with a Radeon Vega 8 GPU featuring 8 execution units and a GPU clock speed of 300 MHz. It also includes 10700 million transistors, 512 shading units, and 32 texture mapping units. The laptop supports ECC memory and has a total of 16 MB of L3 cache, with a CPU TDP of 15W. Notably, the CPU can reach a maximum RAM speed of 4267 MHz and supports OpenCL 2.2.

Final Verdict

The product offers solid performance for productivity-focused users, with a powerful 64GB of RAM and an integrated Radeon Vega 8 GPU suitable for light gaming and graphics tasks. It also stands out with its ECC memory support for added reliability. However, it may not be the best choice for high-end gaming or professional graphic work, given the lack of advanced GPU features like ray tracing and DLSS. Overall, this product is well-suited for those needing reliable multitasking and general-purpose use but not for specialized gaming or demanding creative workflows.