NVIDIA CMP 40HX vs AMD Radeon RX 6400

VS

NVIDIA CMP 40HX

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 8GB VRAM CMP 40HX and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 40HX 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 128.0GB/s)

1536 additional rendering cores

AMD Radeon RX 6400 's Advantages

Released 11 months late

Boost Clock has increased by 41% (2321MHz vs 1650MHz)

Lower TDP (53W vs 185W)

Score

Benchmark

FP32 (float)

CMP 40HX +113%

7.603 TFLOPS

Radeon RX 6400

3.565 TFLOPS

Blender

CMP 40HX +287%

1294

Radeon RX 6400

334

CMP 40HX

VS

Radeon RX 6400

Graphics Card

Feb 2021

Release Date

Jan 2022

Mining GPUs

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1470 MHz

Base Clock

1923 MHz

1650 MHz

Boost Clock

2321 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

36

SM Count

-

2304

Shading Units

768

144

TMUs

48

64

ROPs

32

288

Tensor Cores

-

36

RT Cores

12

64 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

105.6 GPixel/s

Pixel Rate

74.27 GPixel/s

237.6 GTexel/s

Texture Rate

111.4 GTexel/s

15.21 TFLOPS

FP16 (half)

7.130 TFLOPS

7.603 TFLOPS

FP32 (float)

3.565 TFLOPS

237.6 GFLOPS

FP64 (double)

222.8 GFLOPS

Board Design

185W

TDP

53W

450 W

Suggested PSU

250 W

No outputs

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 8-pin

Power Connectors

None

Graphics Processor

TU106

GPU Name

Navi 24

TU106-100-A1

GPU Variant

Navi 24 XL (215-135000046)

Turing

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

6 nm

10.8 billion

Transistors

5.4 billion

445 mm²

Die Size

107 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

7.5

CUDA

-

6.6

Shader Model

6.7

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