AMD Radeon RX 7900M vs AMD Radeon 625 Mobile

VS

AMD Radeon RX 7900M

AMD Radeon 625 Mobile

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 2GB VRAM Radeon 625 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 4 years and 5 months late

Boost Clock has increased by 104% (2090MHz vs 1024MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 14.40GB/s)

4224 additional rendering cores

AMD Radeon 625 Mobile 's Advantages

Lower TDP (50W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +4800%

38.52 TFLOPS

Radeon 625 Mobile

0.786 TFLOPS

Radeon RX 7900M

VS

Radeon 625 Mobile

Graphics Card

Oct 2023

Release Date

May 2019

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

730 MHz

2090 MHz

Boost Clock

1024 MHz

2250 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

14.40GB/s

Render Config

72

Compute Units

6

-

4608

Shading Units

384

288

TMUs

24

192

ROPs

8

-

72

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

128 KB

64 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

8.192 GPixel/s

601.9 GTexel/s

Texture Rate

24.58 GTexel/s

77.05 TFLOPS

FP16 (half)

786.4 GFLOPS

38.52 TFLOPS

FP32 (float)

786.4 GFLOPS

1204 GFLOPS

FP64 (double)

49.15 GFLOPS

Board Design

180W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Polaris 24

Navi 31

GPU Variant

Polaris 24 XT (216-0867030)

RDNA 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

1.55 billion

529 mm²

Die Size

125 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.0

1.3

Vulkan

1.2

-

6.7

Shader Model

6.3

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