AMD Radeon RX 7900M vs NVIDIA GeForce RTX 4080 Mobile

VS

AMD Radeon RX 7900M NVIDIA GeForce RTX 4080 Mobile

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 12GB VRAM GeForce RTX 4080 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 26% (2090MHz vs 1665MHz)

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (576.0GB/s vs 432.0GB/s)

NVIDIA GeForce RTX 4080 Mobile 's Advantages

2816 additional rendering cores

Lower TDP (110W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +55%

38.52 TFLOPS

GeForce RTX 4080 Mobile

24.72 TFLOPS

Blender

Radeon RX 7900M

2291

GeForce RTX 4080 Mobile +163%

6033

Radeon RX 7900M

VS

GeForce RTX 4080 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

1290 MHz

2090 MHz

Boost Clock

1665 MHz

2250 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

192bit

576.0GB/s

Bandwidth

432.0GB/s

Render Config

-

SM Count

58

72

Compute Units

-

4608

Shading Units

7424

288

TMUs

232

192

ROPs

80

-

Tensor Cores

232

72

RT Cores

58

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

48 MB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

133.2 GPixel/s

601.9 GTexel/s

Texture Rate

386.3 GTexel/s

77.05 TFLOPS

FP16 (half)

24.72 TFLOPS

38.52 TFLOPS

FP32 (float)

24.72 TFLOPS

1204 GFLOPS

FP64 (double)

386.3 GFLOPS

Graphics Processor

Navi 31

GPU Name

AD104

Navi 31

GPU Variant

GN21-X9

RDNA 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

57.7 billion

Transistors

35.8 billion

529 mm²

Die Size

295 mm²

Board Design

180W

TDP

110W

-

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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