AMD Radeon RX 7990 XTX vs NVIDIA GeForce 8400 GS Rev. 3

VS

AMD Radeon RX 7990 XTX NVIDIA GeForce 8400 GS Rev. 3

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 512MB VRAM GeForce 8400 GS Rev. 3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock3599MHz

Larger VRAM bandwidth (1152GB/s vs 6.400GB/s)

6136 additional rendering cores

NVIDIA GeForce 8400 GS Rev. 3 's Advantages

Lower TDP (25W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +442150%

88.45 TFLOPS

GeForce 8400 GS Rev. 3

0.02 TFLOPS

Radeon RX 7990 XTX

VS

GeForce 8400 GS Rev. 3

Graphics Card

Unknown

Release Date

Jul 2010

Navi III

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2500 MHz

Base Clock

-

3599 MHz

Boost Clock

-

3000 MHz

Memory Clock

400 MHz

Memory

24GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

384bit

Memory Bus

64bit

1152GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

1

96

Compute Units

-

6144

Shading Units

8

384

TMUs

4

192

ROPs

4

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

32 KB

Theoretical Performance

691.0 GPixel/s

Pixel Rate

2.080 GPixel/s

1382 GTexel/s

Texture Rate

2.080 GTexel/s

176.9 TFLOPS

FP16 (half)

-

88.45 TFLOPS

FP32 (float)

19.68 GFLOPS

2.764 TFLOPS

FP64 (double)

-

Graphics Processor

Navi 31

GPU Name

GT218

Navi 31 XTX+

GPU Variant

8400GS-225-B1

RDNA 3.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.26 billion

529 mm²

Die Size

57 mm²

Board Design

405W

TDP

25W

800 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

3x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.2

6.7

Shader Model

4.1

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