NVIDIA GeForce RTX 5080 Mobile vs AMD Radeon RX 580 Mobile

VS

NVIDIA GeForce RTX 5080 Mobile

AMD Radeon RX 580 Mobile

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5080 Mobile and 8GB VRAM Radeon RX 580 Mobile 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 7 years and 9 months late

Boost Clock has increased by 86% (2000MHz vs 1077MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (1.01TB/s vs 256.0GB/s)

5888 additional rendering cores

AMD Radeon RX 580 Mobile 's Advantages

Lower TDP (100W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +560%

32.77 TFLOPS

Radeon RX 580 Mobile

4.963 TFLOPS

GeForce RTX 5080 Mobile

VS

Radeon RX 580 Mobile

Graphics Card

Jan 2025

Release Date

Apr 2017

GeForce 50 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1500 MHz

Base Clock

1000 MHz

2000 MHz

Boost Clock

1077 MHz

2500 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

256bit

1.01TB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

36

64

SM Count

-

8192

Shading Units

2304

256

TMUs

144

96

ROPs

32

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

2 MB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

34.46 GPixel/s

512.0 GTexel/s

Texture Rate

155.1 GTexel/s

32.77 TFLOPS

FP16 (half)

4.963 TFLOPS

32.77 TFLOPS

FP32 (float)

4.963 TFLOPS

512.0 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

175W

TDP

100W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GB203

GPU Name

Polaris 20

-

GPU Variant

Polaris 20M XT

Blackwell 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

4 nm

Process Size

14 nm

Unknown

Transistors

5.7 billion

377 mm²

Die Size

232 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

10.1

CUDA

-

6.8

Shader Model

6.4

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