AMD Radeon RX 7950 XTX vs NVIDIA GeForce 8400 SE

VS

AMD Radeon RX 7950 XTX

NVIDIA GeForce 8400 SE

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7950 XTX and 128MB VRAM GeForce 8400 SE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock3300MHz

More VRAM (24GB vs 128GB)

Larger VRAM bandwidth (960.0GB/s vs 6.400GB/s)

6128 additional rendering cores

NVIDIA GeForce 8400 SE 's Advantages

Lower TDP (50W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XTX +279555%

81.1 TFLOPS

GeForce 8400 SE

0.029 TFLOPS

Radeon RX 7950 XTX

VS

GeForce 8400 SE

Graphics Card

Unknown

Release Date

Aug 2008

Navi III

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

2200 MHz

Base Clock

-

3300 MHz

Boost Clock

-

2500 MHz

Memory Clock

400 MHz

Memory

24GB

Memory Size

128MB

GDDR6

Memory Type

DDR2

384bit

Memory Bus

64bit

960.0GB/s

Bandwidth

6.400GB/s

Render Config

96

Compute Units

-

SM Count

2

6144

Shading Units

16

384

TMUs

8

192

ROPs

4

-

96

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

16 KB

96 MB

L3 Cache

-

Theoretical Performance

633.6 GPixel/s

Pixel Rate

1.836 GPixel/s

1267 GTexel/s

Texture Rate

3.672 GTexel/s

162.2 TFLOPS

FP16 (half)

-

81.10 TFLOPS

FP32 (float)

29.38 GFLOPS

2.534 TFLOPS

FP64 (double)

-

Board Design

355W

TDP

50W

750 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

G86S

Navi 31 XTX+

GPU Variant

-

RDNA 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

5 nm

Process Size

80 nm

57.7 billion

Transistors

0.21 billion

529 mm²

Die Size

127 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.7

Shader Model

4.0

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