AMD Radeon RX 7900M vs AMD Radeon RX 580 Mobile

VS

AMD Radeon RX 7900M

AMD Radeon RX 580 Mobile

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 8GB VRAM Radeon RX 580 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 6 years and 6 months late

Boost Clock has increased by 94% (2090MHz vs 1077MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 256.0GB/s)

2304 additional rendering cores

AMD Radeon RX 580 Mobile 's Advantages

Lower TDP (100W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +676%

38.52 TFLOPS

Radeon RX 580 Mobile

4.963 TFLOPS

Radeon RX 7900M

VS

Radeon RX 580 Mobile

Graphics Card

Oct 2023

Release Date

Apr 2017

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1825 MHz

Base Clock

1000 MHz

2090 MHz

Boost Clock

1077 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

256.0GB/s

Render Config

72

Compute Units

36

-

4608

Shading Units

2304

288

TMUs

144

192

ROPs

32

-

72

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

2 MB

64 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

34.46 GPixel/s

601.9 GTexel/s

Texture Rate

155.1 GTexel/s

77.05 TFLOPS

FP16 (half)

4.963 TFLOPS

38.52 TFLOPS

FP32 (float)

4.963 TFLOPS

1204 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

180W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Polaris 20

Navi 31

GPU Variant

Polaris 20M XT

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

5.7 billion

529 mm²

Die Size

232 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

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