NVIDIA GeForce RTX 5080 Mobile vs AMD Radeon Pro Vega 20

VS

NVIDIA GeForce RTX 5080 Mobile

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5080 Mobile and 4GB VRAM Radeon Pro Vega 20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 Mobile 's Advantages

Released 6 years and 2 months late

Boost Clock has increased by 56% (2000MHz vs 1283MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (1.01TB/s vs 189.4GB/s)

6912 additional rendering cores

AMD Radeon Pro Vega 20 's Advantages

Lower TDP (100W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +897%

32.77 TFLOPS

Radeon Pro Vega 20

3.284 TFLOPS

GeForce RTX 5080 Mobile

VS

Radeon Pro Vega 20

Graphics Card

Jan 2025

Release Date

Nov 2018

GeForce 50 Mobile

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1500 MHz

Base Clock

815 MHz

2000 MHz

Boost Clock

1283 MHz

2500 MHz

Memory Clock

740 MHz

Memory

16GB

Memory Size

4GB

GDDR7

Memory Type

HBM2

256bit

Memory Bus

1024bit

1.01TB/s

Bandwidth

189.4GB/s

Render Config

-

Compute Units

20

64

SM Count

-

8192

Shading Units

1280

256

TMUs

80

96

ROPs

32

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

1024 KB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

41.06 GPixel/s

512.0 GTexel/s

Texture Rate

102.6 GTexel/s

32.77 TFLOPS

FP16 (half)

6.569 TFLOPS

32.77 TFLOPS

FP32 (float)

3.284 TFLOPS

512.0 GFLOPS

FP64 (double)

205.3 GFLOPS

Board Design

175W

TDP

100W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GB203

GPU Name

Vega 12

-

GPU Variant

Vega 12 XTA

Blackwell 2.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

4 nm

Process Size

14 nm

Unknown

Transistors

Unknown

377 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

10.1

CUDA

-

6.8

Shader Model

6.3

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