AMD Radeon RX 6800 vs NVIDIA CMP 40HX

VS

AMD Radeon RX 6800

NVIDIA CMP 40HX

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 8GB VRAM CMP 40HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Boost Clock has increased by 28% (2105MHz vs 1650MHz)

More VRAM (16GB vs 8GB)

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

1536 additional rendering cores

NVIDIA CMP 40HX 's Advantages

Lower TDP (185W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +112%

16.17 TFLOPS

CMP 40HX

7.603 TFLOPS

Radeon RX 6800

VS

CMP 40HX

Graphics Card

Oct 2020

Release Date

Feb 2021

Navi II

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1700 MHz

Base Clock

1470 MHz

2105 MHz

Boost Clock

1650 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

448.0GB/s

Render Config

60

Compute Units

-

SM Count

36

3840

Shading Units

2304

240

TMUs

144

96

ROPs

64

-

Tensor Cores

288

60

RT Cores

36

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

4 MB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

105.6 GPixel/s

505.2 GTexel/s

Texture Rate

237.6 GTexel/s

32.33 TFLOPS

FP16 (half)

15.21 TFLOPS

16.17 TFLOPS

FP32 (float)

7.603 TFLOPS

1010 GFLOPS

FP64 (double)

237.6 GFLOPS

Board Design

250W

TDP

185W

600 W

Suggested PSU

450 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

No outputs

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 21

GPU Name

TU106

Navi 21 XL (215-121000187)

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

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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