AMD Radeon Pro W6800X Duo vs NVIDIA GeForce 8400 GS PCI Rev. 2

VS

AMD Radeon Pro W6800X Duo

NVIDIA GeForce 8400 GS PCI Rev. 2

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 512MB VRAM GeForce 8400 GS PCI Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages

Released 14 years and 4 months late

Boost Clock1967MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 8.000GB/s)

3824 additional rendering cores

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

Lower TDP (40W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +38643%

15.11 TFLOPS

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

Radeon Pro W6800X Duo

VS

GeForce 8400 GS PCI Rev. 2

Graphics Card

Aug 2021

Release Date

Apr 2007

Radeon Pro Mac

Generation

GeForce 8

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCI

Clock Speeds

1800 MHz

Base Clock

-

1967 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

32GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

8.000GB/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

32 KB

128 MB

L3 Cache

-

Theoretical Performance

188.8 GPixel/s

Pixel Rate

2.080 GPixel/s

472.1 GTexel/s

Texture Rate

4.160 GTexel/s

30.21 TFLOPS

FP16 (half)

-

15.11 TFLOPS

FP32 (float)

39.36 GFLOPS

944.2 GFLOPS

FP64 (double)

-

Board Design

400W

TDP

40W

800 W

Suggested PSU

200 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x DVI 1x HDMI 1x VGA

None

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

GT218

Navi 21 Pro-XLA

GPU Variant

-

RDNA 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.26 billion

520 mm²

Die Size

57 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.2

6.7

Shader Model

4.1

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