AMD Radeon Pro W6900X vs NVIDIA CMP 40HX

VS

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X and 8GB VRAM CMP 40HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6900X 's Advantages

Released 6 months late

Boost Clock has increased by 30% (2150MHz vs 1650MHz)

More VRAM (32GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 448.0GB/s)

2816 additional rendering cores

NVIDIA CMP 40HX 's Advantages

Lower TDP (185W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro W6900X +189%

22.02 TFLOPS

CMP 40HX

7.603 TFLOPS

Blender

Radeon Pro W6900X +54%

1998

CMP 40HX

1294

Radeon Pro W6900X

VS

CMP 40HX

Graphics Card

Aug 2021

Release Date

Feb 2021

Radeon Pro Mac

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

1470 MHz

2150 MHz

Boost Clock

1650 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

32GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

36

80

Compute Units

-

5120

Shading Units

2304

320

TMUs

144

128

ROPs

64

-

Tensor Cores

288

80

RT Cores

36

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

4 MB

Theoretical Performance

275.2 GPixel/s

Pixel Rate

105.6 GPixel/s

688.0 GTexel/s

Texture Rate

237.6 GTexel/s

44.03 TFLOPS

FP16 (half)

15.21 TFLOPS

22.02 TFLOPS

FP32 (float)

7.603 TFLOPS

1376 GFLOPS

FP64 (double)

237.6 GFLOPS

Graphics Processor

Navi 21

GPU Name

TU106

Navi 21 Pro-XTA

GPU Variant

TU106-100-A1

RDNA 2.0

Architecture

Turing

TSMC

Foundry

TSMC

7 nm

Process Size

12 nm

26.8 billion

Transistors

10.8 billion

520 mm²

Die Size

445 mm²

Board Design

300W

TDP

185W

700 W

Suggested PSU

450 W

1x HDMI 2.1 4x Thunderbolt

Outputs

No outputs

None

Power Connectors

1x 8-pin

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

7.5

6.5

Shader Model

6.6

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