AMD Radeon Pro W6800X vs NVIDIA RTX A400

VS

AMD Radeon Pro W6800X

NVIDIA RTX A400

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X 's Advantages

Boost Clock has increased by 18% (2087MHz vs 1762MHz)

More VRAM (32GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 96.00GB/s)

3072 additional rendering cores

NVIDIA RTX A400 's Advantages

Released 2 years and 8 months late

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X +492%

16.03 TFLOPS

RTX A400

2.706 TFLOPS

Radeon Pro W6800X

VS

RTX A400

Graphics Card

Aug 2021

Release Date

Apr 2024

Radeon Pro Mac

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 4.0 x8

Clock Speeds

1800 MHz

Base Clock

1417 MHz

2087 MHz

Boost Clock

1762 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

32GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

96.00GB/s

Render Config

60

Compute Units

-

SM Count

6

3840

Shading Units

768

240

TMUs

24

96

ROPs

16

-

Tensor Cores

24

60

RT Cores

6

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

2 MB

128 MB

L3 Cache

-

Theoretical Performance

200.4 GPixel/s

Pixel Rate

28.19 GPixel/s

500.9 GTexel/s

Texture Rate

42.29 GTexel/s

32.06 TFLOPS

FP16 (half)

2.706 TFLOPS

16.03 TFLOPS

FP32 (float)

2.706 TFLOPS

1002 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

1x HDMI 2.1 4x Thunderbolt

Outputs

4x mini-DisplayPort 1.4a

Apple MPX

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

GA107

Navi 21 Pro-XLA

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

26.8 billion

Transistors

8.7 billion

520 mm²

Die Size

200 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.8

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