AMD Radeon R5 M255 vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon R5 M255 NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 8 years and 3 months late

Boost Clock has increased by 44% (1350MHz vs 940MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (336.0GB/s vs 32.00GB/s)

7040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

GeForce RTX 4080 Max Q +2679%

20.04 TFLOPS

Radeon R5 M255

VS

GeForce RTX 4080 Max Q

Graphics Card

Oct 2014

Release Date

Jan 2023

Gem System

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

925 MHz

Base Clock

795 MHz

940 MHz

Boost Clock

1350 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

12GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

192bit

32.00GB/s

Bandwidth

336.0GB/s

Render Config

-

SM Count

58

6

Compute Units

-

384

Shading Units

7424

24

TMUs

232

8

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

48 MB

Theoretical Performance

7.520 GPixel/s

Pixel Rate

108.0 GPixel/s

22.56 GTexel/s

Texture Rate

313.2 GTexel/s

721.9 GFLOPS

FP16 (half)

20.04 TFLOPS

721.9 GFLOPS

FP32 (float)

20.04 TFLOPS

45.12 GFLOPS

FP64 (double)

313.2 GFLOPS

Graphics Processor

Topaz

GPU Name

AD104

Topaz PRO (216-0858030)

GPU Variant

GN21-X9

GCN 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.55 billion

Transistors

35.8 billion

125 mm²

Die Size

295 mm²

Board Design

Unknown

TDP

60W

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

8.9

6.5

Shader Model

6.7

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