AMD Radeon RX 6800 XT vs NVIDIA CMP 90HX

VS

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 10GB VRAM CMP 90HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Boost Clock has increased by 32% (2250MHz vs 1710MHz)

More VRAM (16GB vs 10GB)

Lower TDP (300W vs 320W)

NVIDIA CMP 90HX 's Advantages

Released 9 months late

Larger VRAM bandwidth (760.3GB/s vs 512.0GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT

20.74 TFLOPS

CMP 90HX +5%

21.89 TFLOPS

Radeon RX 6800 XT

VS

CMP 90HX

Graphics Card

Oct 2020

Release Date

Jul 2021

Navi II

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

1500 MHz

2250 MHz

Boost Clock

1710 MHz

2000 MHz

Memory Clock

1188 MHz

Memory

16GB

Memory Size

10GB

GDDR6

Memory Type

GDDR6X

256bit

Memory Bus

320bit

512.0GB/s

Bandwidth

760.3GB/s

Render Config

-

SM Count

50

72

Compute Units

-

4608

Shading Units

6400

288

TMUs

200

128

ROPs

80

-

Tensor Cores

200

72

RT Cores

50

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

5 MB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

136.8 GPixel/s

648.0 GTexel/s

Texture Rate

342.0 GTexel/s

41.47 TFLOPS

FP16 (half)

21.89 TFLOPS

20.74 TFLOPS

FP32 (float)

21.89 TFLOPS

1296 GFLOPS

FP64 (double)

342.0 GFLOPS

Graphics Processor

Navi 21

GPU Name

GA102

Navi 21 XT (215-121000177)

GPU Variant

GA102-100-A1

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

Board Design

300W

TDP

320W

700 W

Suggested PSU

700 W

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

Outputs

No outputs

2x 8-pin

Power Connectors

2x 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

8.6

6.5

Shader Model

6.6

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