AMD Radeon Pro W6800X vs NVIDIA A40 PCIe

VS

AMD Radeon Pro W6800X

NVIDIA A40 PCIe

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X 's Advantages

Released 10 months late

Boost Clock has increased by 20% (2087MHz vs 1740MHz)

Lower TDP (200W vs 300W)

NVIDIA A40 PCIe 's Advantages

More VRAM (48GB vs 32GB)

Larger VRAM bandwidth (695.8GB/s vs 512.0GB/s)

6912 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro W6800X

16.03 TFLOPS

A40 PCIe +133%

37.42 TFLOPS

Blender

Radeon Pro W6800X

1420

A40 PCIe +193%

4170

Radeon Pro W6800X

VS

A40 PCIe

Graphics Card

Aug 2021

Release Date

Oct 2020

Radeon Pro Mac

Generation

Tesla

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 4.0 x16

Clock Speeds

1800 MHz

Base Clock

1305 MHz

2087 MHz

Boost Clock

1740 MHz

2000 MHz

Memory Clock

1812 MHz

Memory

32GB

Memory Size

48GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

695.8GB/s

Render Config

60

Compute Units

-

SM Count

84

3840

Shading Units

10752

240

TMUs

336

96

ROPs

112

-

Tensor Cores

336

60

RT Cores

84

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

6 MB

128 MB

L3 Cache

-

Theoretical Performance

200.4 GPixel/s

Pixel Rate

194.9 GPixel/s

500.9 GTexel/s

Texture Rate

584.6 GTexel/s

32.06 TFLOPS

FP16 (half)

37.42 TFLOPS

16.03 TFLOPS

FP32 (float)

37.42 TFLOPS

1002 GFLOPS

FP64 (double)

584.6 GFLOPS

Board Design

200W

TDP

300W

550 W

Suggested PSU

700 W

1x HDMI 2.1 4x Thunderbolt

Outputs

3x DisplayPort 1.4a

Apple MPX

Power Connectors

8-pin EPS

Graphics Processor

Navi 21

GPU Name

GA102

Navi 21 Pro-XLA

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

26.8 billion

Transistors

28.3 billion

520 mm²

Die Size

628 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

6.6

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