AMD Radeon RX 580X Mobile vs AMD Radeon RX 7900M

VS

AMD Radeon RX 580X Mobile

AMD Radeon RX 7900M

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

Main Differences

AMD Radeon RX 580X Mobile 's Advantages

Lower TDP (100W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 5 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

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile

4.963 TFLOPS

Radeon RX 7900M +676%

38.52 TFLOPS

Radeon RX 580X Mobile

VS

Radeon RX 7900M

Graphics Card

Apr 2018

Release Date

Oct 2023

Mobility Radeon

Generation

Navi Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1825 MHz

1077 MHz

Boost Clock

2090 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

576.0GB/s

Render Config

36

Compute Units

72

-

2304

Shading Units

4608

144

TMUs

288

32

ROPs

192

-

RT Cores

72

16 KB (per CU)

L1 Cache

256 KB per Array

2 MB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

34.46 GPixel/s

Pixel Rate

401.3 GPixel/s

155.1 GTexel/s

Texture Rate

601.9 GTexel/s

4.963 TFLOPS

FP16 (half)

77.05 TFLOPS

4.963 TFLOPS

FP32 (float)

38.52 TFLOPS

310.2 GFLOPS

FP64 (double)

1204 GFLOPS

Board Design

100W

TDP

180W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Navi 31

Polaris 20M XT

GPU Variant

Navi 31

GCN 4.0

Architecture

RDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

5.7 billion

Transistors

57.7 billion

232 mm²

Die Size

529 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

6.4

Shader Model

6.7

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