NVIDIA CMP 40HX vs AMD Radeon RX 6650 XT

VS

NVIDIA CMP 40HX

AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 8GB VRAM CMP 40HX and 8GB VRAM Radeon RX 6650 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 40HX 's Advantages

Larger VRAM bandwidth (448.0GB/s vs 280.3GB/s)

256 additional rendering cores

AMD Radeon RX 6650 XT 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 60% (2635MHz vs 1650MHz)

Lower TDP (176W vs 185W)

Score

Benchmark

FP32 (float)

CMP 40HX

7.603 TFLOPS

Radeon RX 6650 XT +41%

10.79 TFLOPS

Blender

CMP 40HX

1294

Radeon RX 6650 XT

1299

CMP 40HX

VS

Radeon RX 6650 XT

Graphics Card

Feb 2021

Release Date

May 2022

Mining GPUs

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1470 MHz

Base Clock

2055 MHz

1650 MHz

Boost Clock

2635 MHz

1750 MHz

Memory Clock

2190 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

280.3GB/s

Render Config

-

Compute Units

32

36

SM Count

-

2304

Shading Units

2048

144

TMUs

128

64

ROPs

64

288

Tensor Cores

-

36

RT Cores

32

64 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

105.6 GPixel/s

Pixel Rate

168.6 GPixel/s

237.6 GTexel/s

Texture Rate

337.3 GTexel/s

15.21 TFLOPS

FP16 (half)

21.59 TFLOPS

7.603 TFLOPS

FP32 (float)

10.79 TFLOPS

237.6 GFLOPS

FP64 (double)

674.6 GFLOPS

Board Design

185W

TDP

176W

450 W

Suggested PSU

450 W

No outputs

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

TU106

GPU Name

Navi 23

TU106-100-A1

GPU Variant

Navi 23 KXT (215-130000136)

Turing

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

7 nm

10.8 billion

Transistors

11.06 billion

445 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

7.5

CUDA

-

6.6

Shader Model

6.5

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