NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon R5 M255

VS

NVIDIA GeForce RTX 3080 Mobile AMD Radeon R5 M255

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 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 Mobile 's Advantages

Released 6 years and 3 months late

Boost Clock has increased by 64% (1545MHz vs 940MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 32.00GB/s)

5760 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +2532%

18.98 TFLOPS

Radeon R5 M255

0.721 TFLOPS

GeForce RTX 3080 Mobile

VS

Radeon R5 M255

Graphics Card

Jan 2021

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

1110 MHz

Base Clock

925 MHz

1545 MHz

Boost Clock

940 MHz

1750 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

32.00GB/s

Render Config

48

SM Count

-

Compute Units

6

6144

Shading Units

384

192

TMUs

24

96

ROPs

8

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

148.3 GPixel/s

Pixel Rate

7.520 GPixel/s

296.6 GTexel/s

Texture Rate

22.56 GTexel/s

18.98 TFLOPS

FP16 (half)

721.9 GFLOPS

18.98 TFLOPS

FP32 (float)

721.9 GFLOPS

296.6 GFLOPS

FP64 (double)

45.12 GFLOPS

Graphics Processor

GA104

GPU Name

Topaz

GA104-775-A1

GPU Variant

Topaz PRO (216-0858030)

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.55 billion

392 mm²

Die Size

125 mm²

Board Design

115W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

-

6.6

Shader Model

6.5

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