NVIDIA GeForce 8400M GS vs AMD Radeon RX 7900M

VS

NVIDIA GeForce 8400M GS AMD Radeon RX 7900M

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 16GB VRAM Radeon RX 7900M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 16 years and 5 months late

Boost Clock2090MHz

Larger VRAM bandwidth (576.0GB/s vs 6.400GB/s)

4592 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Radeon RX 7900M +148053%

38.52 TFLOPS

GeForce 8400M GS

VS

Radeon RX 7900M

Graphics Card

May 2007

Release Date

Oct 2023

GeForce 8M

Generation

Navi Mobile

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2090 MHz

400 MHz

Memory Clock

2250 MHz

Memory

256MB

Memory Size

16GB

DDR2

Memory Type

GDDR6

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

576.0GB/s

Render Config

2

SM Count

-

Compute Units

72

16

Shading Units

4608

8

TMUs

288

4

ROPs

192

-

Tensor Cores

-

RT Cores

72

-

L1 Cache

256 KB per Array

16 KB

L2 Cache

6 MB

Theoretical Performance

1.600 GPixel/s

Pixel Rate

401.3 GPixel/s

3.200 GTexel/s

Texture Rate

601.9 GTexel/s

-

FP16 (half)

77.05 TFLOPS

25.60 GFLOPS

FP32 (float)

38.52 TFLOPS

-

FP64 (double)

1204 GFLOPS

Graphics Processor

G86

GPU Name

Navi 31

NB8M-GS

GPU Variant

Navi 31

Tesla

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

80 nm

Process Size

5 nm

0.21 billion

Transistors

57.7 billion

127 mm²

Die Size

529 mm²

Board Design

11W

TDP

180W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

11.1 (10_0)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.2

N/A

Vulkan

1.3

1.1

CUDA

-

4.0

Shader Model

6.7

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