AMD Radeon RX 7900M vs AMD FirePro M3900

VS

AMD Radeon RX 7900M

AMD FirePro M3900

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 1024MB VRAM FirePro M3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 13 years late

Boost Clock2090MHz

More VRAM (16GB vs 1024GB)

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

4448 additional rendering cores

AMD FirePro M3900 's Advantages

Lower TDP (20W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +15950%

38.52 TFLOPS

FirePro M3900

0.24 TFLOPS

Radeon RX 7900M

VS

FirePro M3900

Graphics Card

Oct 2023

Release Date

Oct 2010

Navi Mobile

Generation

FirePro Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2090 MHz

Boost Clock

-

2250 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

14.40GB/s

Render Config

72

Compute Units

2

-

4608

Shading Units

160

288

TMUs

8

192

ROPs

4

-

72

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

128 KB

64 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

3.000 GPixel/s

601.9 GTexel/s

Texture Rate

6.000 GTexel/s

77.05 TFLOPS

FP16 (half)

-

38.52 TFLOPS

FP32 (float)

240.0 GFLOPS

1204 GFLOPS

FP64 (double)

-

Board Design

180W

TDP

20W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 31

GPU Name

Seymour

Navi 31

GPU Variant

Seymour GL

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.37 billion

529 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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