NVIDIA GeForce 8400 GS vs AMD Radeon RX 7950 XT

VS

NVIDIA GeForce 8400 GS AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 GS and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 300W)

AMD Radeon RX 7950 XT 's Advantages

Boost Clock3000MHz

Larger VRAM bandwidth (800.0GB/s vs 6.400GB/s)

5360 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS

0.029 TFLOPS

Radeon RX 7950 XT +222348%

64.51 TFLOPS

GeForce 8400 GS

VS

Radeon RX 7950 XT

Graphics Card

Apr 2007

Release Date

Unknown

GeForce 8

Generation

Navi III

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

3000 MHz

400 MHz

Memory Clock

2500 MHz

Memory

256MB

Memory Size

20GB

DDR2

Memory Type

GDDR6

64bit

Memory Bus

320bit

6.400GB/s

Bandwidth

800.0GB/s

Render Config

2

SM Count

-

Compute Units

84

16

Shading Units

5376

8

TMUs

336

4

ROPs

192

-

Tensor Cores

-

RT Cores

84

-

L1 Cache

256 KB per Array

16 KB

L2 Cache

6 MB

Theoretical Performance

1.836 GPixel/s

Pixel Rate

576.0 GPixel/s

3.672 GTexel/s

Texture Rate

1008 GTexel/s

-

FP16 (half)

129.0 TFLOPS

29.38 GFLOPS

FP32 (float)

64.51 TFLOPS

-

FP64 (double)

2.016 TFLOPS

Graphics Processor

G86

GPU Name

Navi 31

G86-213-A2

GPU Variant

Navi 31 XT+

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

40W

TDP

300W

200 W

Suggested PSU

700 W

1x DVI 1x VGA 1x S-Video

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

None

Power Connectors

2x 8-pin

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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