AMD Radeon RX 7900M vs NVIDIA GeForce RTX 4090 Mobile

VS

AMD Radeon RX 7900M NVIDIA GeForce RTX 4090 Mobile

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 16GB VRAM GeForce RTX 4090 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 9 months late

Boost Clock has increased by 23% (2090MHz vs 1695MHz)

NVIDIA GeForce RTX 4090 Mobile 's Advantages

5120 additional rendering cores

Lower TDP (120W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +16%

38.52 TFLOPS

GeForce RTX 4090 Mobile

32.98 TFLOPS

Blender

Radeon RX 7900M

2291

GeForce RTX 4090 Mobile +241%

7828

Radeon RX 7900M

VS

GeForce RTX 4090 Mobile

Graphics Card

Oct 2023

Release Date

Jan 2023

Navi Mobile

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

1335 MHz

2090 MHz

Boost Clock

1695 MHz

2250 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

76

72

Compute Units

-

4608

Shading Units

9728

288

TMUs

304

192

ROPs

112

-

Tensor Cores

304

72

RT Cores

76

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

64 MB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

189.8 GPixel/s

601.9 GTexel/s

Texture Rate

515.3 GTexel/s

77.05 TFLOPS

FP16 (half)

32.98 TFLOPS

38.52 TFLOPS

FP32 (float)

32.98 TFLOPS

1204 GFLOPS

FP64 (double)

515.3 GFLOPS

Graphics Processor

Navi 31

GPU Name

AD103

Navi 31

GPU Variant

GN21-X11

RDNA 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

57.7 billion

Transistors

45.9 billion

529 mm²

Die Size

379 mm²

Board Design

180W

TDP

120W

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.9

6.7

Shader Model

6.7

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