AMD Radeon RX 7900M vs AMD Radeon RX Vega M GH

VS

AMD Radeon RX 7900M AMD Radeon RX Vega M GH

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 4GB VRAM Radeon RX Vega M GH to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 5 years and 8 months late

Boost Clock has increased by 76% (2090MHz vs 1190MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 204.8GB/s)

3072 additional rendering cores

AMD Radeon RX Vega M GH 's Advantages

Lower TDP (100W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +953%

38.52 TFLOPS

Radeon RX Vega M GH

3.656 TFLOPS

Radeon RX 7900M

VS

Radeon RX Vega M GH

Graphics Card

Oct 2023

Release Date

Feb 2018

Navi Mobile

Generation

Vega

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

IGP

Clock Speeds

1825 MHz

Base Clock

1063 MHz

2090 MHz

Boost Clock

1190 MHz

2250 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

HBM2

256bit

Memory Bus

1024bit

576.0GB/s

Bandwidth

204.8GB/s

Render Config

-

SM Count

-

72

Compute Units

24

4608

Shading Units

1536

288

TMUs

96

192

ROPs

64

-

Tensor Cores

-

72

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

76.16 GPixel/s

601.9 GTexel/s

Texture Rate

114.2 GTexel/s

77.05 TFLOPS

FP16 (half)

3.656 TFLOPS

38.52 TFLOPS

FP32 (float)

3.656 TFLOPS

1204 GFLOPS

FP64 (double)

228.5 GFLOPS

Graphics Processor

Navi 31

GPU Name

Polaris 22

Navi 31

GPU Variant

VegaM XT (C7398773)

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

5 billion

529 mm²

Die Size

208 mm²

Board Design

180W

TDP

100W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

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

-

CUDA

-

6.7

Shader Model

6.4

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