AMD Radeon Pro W6800X vs NVIDIA GeForce 8400 SE

VS

AMD Radeon Pro W6800X

NVIDIA GeForce 8400 SE

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X 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 Pro W6800X 's Advantages

Released 13 years late

Boost Clock2087MHz

More VRAM (32GB vs 128GB)

Larger VRAM bandwidth (512.0GB/s vs 6.400GB/s)

3824 additional rendering cores

NVIDIA GeForce 8400 SE 's Advantages

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X +55175%

16.03 TFLOPS

GeForce 8400 SE

0.029 TFLOPS

Radeon Pro W6800X

VS

GeForce 8400 SE

Graphics Card

Aug 2021

Release Date

Aug 2008

Radeon Pro Mac

Generation

GeForce 8

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 1.0 x16

Clock Speeds

1800 MHz

Base Clock

-

2087 MHz

Boost Clock

-

2000 MHz

Memory Clock

400 MHz

Memory

32GB

Memory Size

128MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

6.400GB/s

Render Config

60

Compute Units

-

SM Count

2

3840

Shading Units

16

240

TMUs

8

96

ROPs

4

-

60

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

16 KB

128 MB

L3 Cache

-

Theoretical Performance

200.4 GPixel/s

Pixel Rate

1.836 GPixel/s

500.9 GTexel/s

Texture Rate

3.672 GTexel/s

32.06 TFLOPS

FP16 (half)

-

16.03 TFLOPS

FP32 (float)

29.38 GFLOPS

1002 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x DVI 1x VGA 1x S-Video

Apple MPX

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

G86S

Navi 21 Pro-XLA

GPU Variant

-

RDNA 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

7 nm

Process Size

80 nm

26.8 billion

Transistors

0.21 billion

520 mm²

Die Size

127 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.7

Shader Model

4.0

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