AMD Radeon RX 6400 vs Intel Arc A780

VS

AMD Radeon RX 6400 Intel Arc A780

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 16GB VRAM Arc A780 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 6% (2321MHz vs 2200MHz)

Lower TDP (53W vs 200W)

Intel Arc A780 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (559.6GB/s vs 128.0GB/s)

3328 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

Arc A780 +405%

18.02 TFLOPS

Radeon RX 6400

VS

Arc A780

Graphics Card

Jan 2022

Release Date

Unknown

Navi II

Generation

Alchemist

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

1923 MHz

Base Clock

2200 MHz

2321 MHz

Boost Clock

2200 MHz

2000 MHz

Memory Clock

1093 MHz

Memory

4GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6X

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

559.6GB/s

Render Config

-

SM Count

-

12

Compute Units

-

768

Shading Units

4096

48

TMUs

256

32

ROPs

128

-

Tensor Cores

512

12

RT Cores

32

128 KB per Array

L1 Cache

-

1024 KB

L2 Cache

16 MB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

281.6 GPixel/s

111.4 GTexel/s

Texture Rate

563.2 GTexel/s

7.130 TFLOPS

FP16 (half)

36.04 TFLOPS

3.565 TFLOPS

FP32 (float)

18.02 TFLOPS

222.8 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 24

GPU Name

DG2-512

Navi 24 XL (215-135000046)

GPU Variant

ACM-G10

RDNA 2.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

6 nm

Process Size

6 nm

5.4 billion

Transistors

21.7 billion

107 mm²

Die Size

406 mm²

Board Design

53W

TDP

200W

250 W

Suggested PSU

550 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 2.0

None

Power Connectors

2x 8-pin

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

-

CUDA

-

6.6

Shader Model

6.6

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