AMD Radeon R5 M255 vs NVIDIA GeForce RTX 3080 Ti Max Q

VS

AMD Radeon R5 M255

NVIDIA GeForce RTX 3080 Ti Max Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 16GB VRAM GeForce RTX 3080 Ti Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti Max Q 's Advantages

Released 7 years and 3 months late

Boost Clock has increased by 20% (1125MHz vs 940MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 32.00GB/s)

7040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

GeForce RTX 3080 Ti Max Q +2216%

16.7 TFLOPS

Radeon R5 M255

VS

GeForce RTX 3080 Ti Max Q

Graphics Card

Oct 2014

Release Date

Jan 2022

Gem System

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

925 MHz

Base Clock

585 MHz

940 MHz

Boost Clock

1125 MHz

1000 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

16GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

256bit

32.00GB/s

Bandwidth

384.0GB/s

Render Config

6

Compute Units

-

SM Count

58

384

Shading Units

7424

24

TMUs

232

8

ROPs

96

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

108.0 GPixel/s

22.56 GTexel/s

Texture Rate

261.0 GTexel/s

721.9 GFLOPS

FP16 (half)

16.70 TFLOPS

721.9 GFLOPS

FP32 (float)

16.70 TFLOPS

45.12 GFLOPS

FP64 (double)

261.0 GFLOPS

Board Design

Unknown

TDP

80W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

GA103S

Topaz PRO (216-0858030)

GPU Variant

GN20-E8-A1

GCN 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.55 billion

Transistors

Unknown

125 mm²

Die Size

496 mm²

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

8.6

6.5

Shader Model

6.5

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