AMD Radeon RX 6800 vs NVIDIA CMP 70HX

VS

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 8GB VRAM CMP 70HX 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 51% (2105MHz vs 1395MHz)

More VRAM (16GB vs 8GB)

NVIDIA CMP 70HX 's Advantages

Larger VRAM bandwidth (608.3GB/s vs 512.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800

16.17 TFLOPS

CMP 70HX +5%

17.14 TFLOPS

Radeon RX 6800

VS

CMP 70HX

Graphics Card

Oct 2020

Release Date

Jan 2021

Navi II

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1700 MHz

Base Clock

1365 MHz

2105 MHz

Boost Clock

1395 MHz

2000 MHz

Memory Clock

1188 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6X

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

608.3GB/s

Render Config

-

SM Count

48

60

Compute Units

-

3840

Shading Units

6144

240

TMUs

192

96

ROPs

96

-

Tensor Cores

192

60

RT Cores

48

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

4 MB

Theoretical Performance

202.1 GPixel/s

Pixel Rate

133.9 GPixel/s

505.2 GTexel/s

Texture Rate

267.8 GTexel/s

32.33 TFLOPS

FP16 (half)

17.14 TFLOPS

16.17 TFLOPS

FP32 (float)

17.14 TFLOPS

1010 GFLOPS

FP64 (double)

267.8 GFLOPS

Graphics Processor

Navi 21

GPU Name

GA104

Navi 21 XL (215-121000187)

GPU Variant

GA104-100-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

26.8 billion

Transistors

17.4 billion

520 mm²

Die Size

392 mm²

Board Design

250W

TDP

Unknown

600 W

Suggested PSU

200 W

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

Outputs

No outputs

2x 8-pin

Power Connectors

1x 12-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

8.6

6.5

Shader Model

6.7

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