NVIDIA CMP 90HX vs AMD Radeon RX 6600 XT

VS

NVIDIA CMP 90HX

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 10GB VRAM CMP 90HX and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 90HX 's Advantages

More VRAM (10GB vs 8GB)

Larger VRAM bandwidth (760.3GB/s vs 256.0GB/s)

4352 additional rendering cores

AMD Radeon RX 6600 XT 's Advantages

Boost Clock has increased by 51% (2589MHz vs 1710MHz)

Lower TDP (160W vs 320W)

Score

Benchmark

FP32 (float)

CMP 90HX +106%

21.89 TFLOPS

Radeon RX 6600 XT

10.6 TFLOPS

CMP 90HX

VS

Radeon RX 6600 XT

Graphics Card

Jul 2021

Release Date

Jul 2021

Mining GPUs

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1500 MHz

Base Clock

1968 MHz

1710 MHz

Boost Clock

2589 MHz

1188 MHz

Memory Clock

2000 MHz

Memory

10GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR6

320bit

Memory Bus

128bit

760.3GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

32

50

SM Count

-

6400

Shading Units

2048

200

TMUs

128

80

ROPs

64

200

Tensor Cores

-

50

RT Cores

32

128 KB (per SM)

L1 Cache

128 KB per Array

5 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

136.8 GPixel/s

Pixel Rate

165.7 GPixel/s

342.0 GTexel/s

Texture Rate

331.4 GTexel/s

21.89 TFLOPS

FP16 (half)

21.21 TFLOPS

21.89 TFLOPS

FP32 (float)

10.60 TFLOPS

342.0 GFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

320W

TDP

160W

700 W

Suggested PSU

450 W

No outputs

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

GA102

GPU Name

Navi 23

GA102-100-A1

GPU Variant

Navi 23 XT (215-130000006)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

28.3 billion

Transistors

11.06 billion

628 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.7

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