NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon R5 M255

VS

NVIDIA GeForce RTX 3080 Ti Mobile

AMD Radeon R5 M255

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

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

Released 7 years and 3 months late

Boost Clock has increased by 34% (1260MHz vs 940MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 32.00GB/s)

7040 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile +2495%

18.71 TFLOPS

Radeon R5 M255

0.721 TFLOPS

GeForce RTX 3080 Ti Mobile

VS

Radeon R5 M255

Graphics Card

Jan 2022

Release Date

Oct 2014

GeForce 30 Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

810 MHz

Base Clock

925 MHz

1260 MHz

Boost Clock

940 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

6

58

SM Count

-

7424

Shading Units

384

232

TMUs

24

96

ROPs

8

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

121.0 GPixel/s

Pixel Rate

7.520 GPixel/s

292.3 GTexel/s

Texture Rate

22.56 GTexel/s

18.71 TFLOPS

FP16 (half)

721.9 GFLOPS

18.71 TFLOPS

FP32 (float)

721.9 GFLOPS

292.3 GFLOPS

FP64 (double)

45.12 GFLOPS

Board Design

115W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GA103S

GPU Name

Topaz

GN20-E8-A1

GPU Variant

Topaz PRO (216-0858030)

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

Unknown

Transistors

1.55 billion

496 mm²

Die Size

125 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

8.6

CUDA

-

6.5

Shader Model

6.5

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