AMD Radeon RX 8800 XT vs NVIDIA GeForce 8400 GS Rev. 2

VS

AMD Radeon RX 8800 XT

NVIDIA GeForce 8400 GS Rev. 2

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 8800 XT and 512MB VRAM GeForce 8400 GS Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 8800 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (624.1GB/s vs 6.400GB/s)

4088 additional rendering cores

NVIDIA GeForce 8400 GS Rev. 2 's Advantages

Lower TDP (25W vs 220W)

Score

Benchmark

FP32 (float)

Radeon RX 8800 XT +90400%

19.91 TFLOPS

GeForce 8400 GS Rev. 2

0.022 TFLOPS

Radeon RX 8800 XT

VS

GeForce 8400 GS Rev. 2

Graphics Card

Unknown

Release Date

Dec 2007

Navi IV(RX 8000)

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1295 MHz

Base Clock

-

2430 MHz

Boost Clock

-

2438 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

624.1GB/s

Bandwidth

6.400GB/s

Render Config

64

Compute Units

-

SM Count

1

4096

Shading Units

8

256

TMUs

4

96

ROPs

4

-

64

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

16 KB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

2.268 GPixel/s

622.1 GTexel/s

Texture Rate

2.268 GTexel/s

39.81 TFLOPS

FP16 (half)

-

19.91 TFLOPS

FP32 (float)

22.40 GFLOPS

622.1 GFLOPS

FP64 (double)

-

Board Design

220W

TDP

25W

550 W

Suggested PSU

200 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 48

GPU Name

G98

Navi 48 XT

GPU Variant

-

RDNA 4.0

Architecture

Tesla

TSMC

Foundry

TSMC

4 nm

Process Size

65 nm

Unknown

Transistors

0.21 billion

Unknown

Die Size

86 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

6.8

Shader Model

4.0

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