AMD Radeon RX 6600 vs NVIDIA CMP 90HX

VS

AMD Radeon RX 6600

NVIDIA CMP 90HX

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 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 6600 's Advantages

Boost Clock has increased by 46% (2491MHz vs 1710MHz)

Lower TDP (132W vs 320W)

NVIDIA CMP 90HX 's Advantages

More VRAM (10GB vs 8GB)

Larger VRAM bandwidth (760.3GB/s vs 224.0GB/s)

4608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600

8.928 TFLOPS

CMP 90HX +145%

21.89 TFLOPS

Radeon RX 6600

VS

CMP 90HX

Graphics Card

Oct 2021

Release Date

Jul 2021

Navi II

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1626 MHz

Base Clock

1500 MHz

2491 MHz

Boost Clock

1710 MHz

1750 MHz

Memory Clock

1188 MHz

Memory

8GB

Memory Size

10GB

GDDR6

Memory Type

GDDR6X

128bit

Memory Bus

320bit

224.0GB/s

Bandwidth

760.3GB/s

Render Config

28

Compute Units

-

SM Count

50

1792

Shading Units

6400

112

TMUs

200

64

ROPs

80

-

Tensor Cores

200

28

RT Cores

50

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

5 MB

32 MB

L3 Cache

-

Theoretical Performance

159.4 GPixel/s

Pixel Rate

136.8 GPixel/s

279.0 GTexel/s

Texture Rate

342.0 GTexel/s

17.86 TFLOPS

FP16 (half)

21.89 TFLOPS

8.928 TFLOPS

FP32 (float)

21.89 TFLOPS

558.0 GFLOPS

FP64 (double)

342.0 GFLOPS

Board Design

132W

TDP

320W

300 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 23

GPU Name

GA102

Navi 23 XL (215-130000016)

GPU Variant

GA102-100-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

11.06 billion

Transistors

28.3 billion

237 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

6.5

Shader Model

6.6

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