NVIDIA GeForce 8400 vs AMD Radeon RX 8800 XT

VS

NVIDIA GeForce 8400

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 220W)

AMD Radeon RX 8800 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (624.1GB/s vs 8.000GB/s)

4088 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400

0.021 TFLOPS

Radeon RX 8800 XT +94709%

19.91 TFLOPS

GeForce 8400

VS

Radeon RX 8800 XT

Graphics Card

Dec 2007

Release Date

Unknown

GeForce 8

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1295 MHz

-

Boost Clock

2430 MHz

500 MHz

Memory Clock

2438 MHz

Memory

256MB

Memory Size

16GB

DDR2

Memory Type

GDDR6

64bit

Memory Bus

256bit

8.000GB/s

Bandwidth

624.1GB/s

Render Config

-

Compute Units

64

1

SM Count

-

8

Shading Units

4096

4

TMUs

256

4

ROPs

96

-

RT Cores

64

-

L1 Cache

128 KB per Array

16 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

2.160 GPixel/s

Pixel Rate

233.3 GPixel/s

2.160 GTexel/s

Texture Rate

622.1 GTexel/s

-

FP16 (half)

39.81 TFLOPS

20.80 GFLOPS

FP32 (float)

19.91 TFLOPS

-

FP64 (double)

622.1 GFLOPS

Board Design

25W

TDP

220W

200 W

Suggested PSU

550 W

1x DVI 1x VGA 1x S-Video

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

None

Power Connectors

2x 8-pin

Graphics Processor

G98

GPU Name

Navi 48

-

GPU Variant

Navi 48 XT

Tesla

Architecture

RDNA 4.0

TSMC

Foundry

TSMC

65 nm

Process Size

4 nm

0.21 billion

Transistors

Unknown

86 mm²

Die Size

Unknown

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

6.8

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