AMD Radeon RX 6400 vs Intel Arc Pro A40

VS

AMD Radeon RX 6400

Intel Arc Pro A40

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 6GB VRAM Arc Pro A40 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Boost Clock has increased by 37% (2321MHz vs 1700MHz)

Intel Arc Pro A40 's Advantages

Released 7 months late

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (192.0GB/s vs 128.0GB/s)

256 additional rendering cores

Lower TDP (50W vs 53W)

Score

Benchmark

FP32 (float)

Radeon RX 6400 +2%

3.565 TFLOPS

Arc Pro A40

3.482 TFLOPS

Radeon RX 6400

VS

Arc Pro A40

Graphics Card

Jan 2022

Release Date

Aug 2022

Navi II

Generation

Alchemist

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x8

Clock Speeds

1923 MHz

Base Clock

1500 MHz

2321 MHz

Boost Clock

1700 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

6GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

96bit

128.0GB/s

Bandwidth

192.0GB/s

Render Config

12

Compute Units

-

768

Shading Units

1024

48

TMUs

64

32

ROPs

32

-

12

RT Cores

8

128 KB per Array

L1 Cache

-

1024 KB

L2 Cache

4 MB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

54.40 GPixel/s

111.4 GTexel/s

Texture Rate

108.8 GTexel/s

7.130 TFLOPS

FP16 (half)

6.963 TFLOPS

3.565 TFLOPS

FP32 (float)

3.482 TFLOPS

222.8 GFLOPS

FP64 (double)

870.4 GFLOPS

Board Design

53W

TDP

50W

250 W

Suggested PSU

250 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

4x mini-DisplayPort 2.0

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

DG2-128

Navi 24 XL (215-135000046)

GPU Variant

ACM-G11

RDNA 2.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

6 nm

Process Size

6 nm

5.4 billion

Transistors

7.2 billion

107 mm²

Die Size

157 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

6.7

Shader Model

6.6

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