AMD Radeon Pro W6800X Duo vs NVIDIA GeForce 8400

VS

AMD Radeon Pro W6800X Duo

NVIDIA GeForce 8400

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 256MB VRAM GeForce 8400 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 13 years and 8 months late

Boost Clock1967MHz

More VRAM (32GB vs 256GB)

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

3832 additional rendering cores

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +71852%

15.11 TFLOPS

GeForce 8400

0.021 TFLOPS

Radeon Pro W6800X Duo

VS

GeForce 8400

Graphics Card

Aug 2021

Release Date

Dec 2007

Radeon Pro Mac

Generation

GeForce 8

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 2.0 x16

Clock Speeds

1800 MHz

Base Clock

-

1967 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

32GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

8.000GB/s

Render Config

60

Compute Units

-

SM Count

1

3840

Shading Units

8

240

TMUs

4

96

ROPs

4

-

60

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

16 KB

128 MB

L3 Cache

-

Theoretical Performance

188.8 GPixel/s

Pixel Rate

2.160 GPixel/s

472.1 GTexel/s

Texture Rate

2.160 GTexel/s

30.21 TFLOPS

FP16 (half)

-

15.11 TFLOPS

FP32 (float)

20.80 GFLOPS

944.2 GFLOPS

FP64 (double)

-

Board Design

400W

TDP

25W

800 W

Suggested PSU

200 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

G98

Navi 21 Pro-XLA

GPU Variant

-

RDNA 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

7 nm

Process Size

65 nm

26.8 billion

Transistors

0.21 billion

520 mm²

Die Size

86 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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