GeForce RTX 5080 Mobile vs Radeon R6 M255DX

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking962not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)Blackwell 2.0 (2025)
GPU code nameJetGB203
Market segmentDesktopLaptop
Release date7 January 2014 (10 years ago)2025

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3208192
Core clock speed780 MHz1500 MHz
Boost clock speed855 MHz2000 MHz
Number of transistors690 millionno data
Manufacturing process technology28 nm0 nm
Power consumption (TDP)no data175 Watt
Texture fill rate17.10512.0
Floating-point processing power0.5472 TFLOPS32.77 TFLOPS
ROPs896
TMUs20256
Tensor Coresno data256
Ray Tracing Coresno data64

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfaceIGPPCIe 5.0 x16
WidthIGPno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeSystem SharedGDDR7
Maximum RAM amountSystem Shared16 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared2500 MHz
Memory bandwidthno data1.01 TB/s
Shared memory+-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputs1x HDMI 2.1, 3x DisplayPort 1.4a
Eyefinity+-
HDMI-+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

AppAcceleration+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.8
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.2.1311.3
CUDA-10.1

Pros & cons summary


We couldn't decide between Radeon R6 M255DX and GeForce RTX 5080 Mobile. We've got no test results to judge.

Be aware that Radeon R6 M255DX is a desktop card while GeForce RTX 5080 Mobile is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon R6 M255DX
Radeon R6 M255DX
NVIDIA GeForce RTX 5080 Mobile
GeForce RTX 5080 Mobile

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Community ratings

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