AMD Radeon RX 6600 XT vs NVIDIA CMP 40HX

VS

AMD Radeon RX 6600 XT

NVIDIA CMP 40HX

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

Boost Clock has increased by 57% (2589MHz vs 1650MHz)

Lower TDP (160W vs 185W)

NVIDIA CMP 40HX 's Advantages

Larger VRAM bandwidth (448.0GB/s vs 256.0GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +39%

10.6 TFLOPS

CMP 40HX

7.603 TFLOPS

Blender

Radeon RX 6600 XT

1196

CMP 40HX +8%

1294

Radeon RX 6600 XT

VS

CMP 40HX

Graphics Card

Jul 2021

Release Date

Feb 2021

Navi II

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1968 MHz

Base Clock

1470 MHz

2589 MHz

Boost Clock

1650 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

448.0GB/s

Render Config

32

Compute Units

-

SM Count

36

2048

Shading Units

2304

128

TMUs

144

64

ROPs

64

-

Tensor Cores

288

32

RT Cores

36

128 KB per Array

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

4 MB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

105.6 GPixel/s

331.4 GTexel/s

Texture Rate

237.6 GTexel/s

21.21 TFLOPS

FP16 (half)

15.21 TFLOPS

10.60 TFLOPS

FP32 (float)

7.603 TFLOPS

662.8 GFLOPS

FP64 (double)

237.6 GFLOPS

Board Design

160W

TDP

185W

450 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 23

GPU Name

TU106

Navi 23 XT (215-130000006)

GPU Variant

TU106-100-A1

RDNA 2.0

Architecture

Turing

TSMC

Foundry

TSMC

7 nm

Process Size

12 nm

11.06 billion

Transistors

10.8 billion

237 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

6.7

Shader Model

6.6

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