AMD Radeon RX 580 vs AMD Radeon RX 6400

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 128.0GB/s)

1536 additional rendering cores

AMD Radeon RX 6400 's Advantages

Released 4 years and 9 months late

Boost Clock has increased by 73% (2321MHz vs 1340MHz)

Lower TDP (53W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580 +73%

6.175 TFLOPS

Radeon RX 6400

3.565 TFLOPS

3DMark Time Spy

Radeon RX 580 +21%

4359

Radeon RX 6400

3579

Shadow of the Tomb Raider 2160p

Radeon RX 580 +112%

17

Radeon RX 6400

8

Shadow of the Tomb Raider 1440p

Radeon RX 580 +75%

35

Radeon RX 6400

20

Shadow of the Tomb Raider 1080p

Radeon RX 580 +42%

50

Radeon RX 6400

35

Battlefield 5 2160p

Radeon RX 580 +42%

27

Radeon RX 6400

19

Battlefield 5 1440p

Radeon RX 580 +50%

54

Radeon RX 6400

36

Battlefield 5 1080p

Radeon RX 580 +62%

78

Radeon RX 6400

48

Radeon RX 580

VS

Radeon RX 6400

Graphics Card

Apr 2017

Release Date

Jan 2022

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1257 MHz

Base Clock

1923 MHz

1340 MHz

Boost Clock

2321 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

36

Compute Units

12

2304

Shading Units

768

144

TMUs

48

32

ROPs

32

-

Tensor Cores

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

2 MB

L2 Cache

1024 KB

Theoretical Performance

42.88 GPixel/s

Pixel Rate

74.27 GPixel/s

193.0 GTexel/s

Texture Rate

111.4 GTexel/s

6.175 TFLOPS

FP16 (half)

7.130 TFLOPS

6.175 TFLOPS

FP32 (float)

3.565 TFLOPS

385.9 GFLOPS

FP64 (double)

222.8 GFLOPS

Graphics Processor

Polaris 20

GPU Name

Navi 24

Polaris 20 XTX (215-0910038)

GPU Variant

Navi 24 XL (215-135000046)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

5.7 billion

Transistors

5.4 billion

232 mm²

Die Size

107 mm²

Board Design

185W

TDP

53W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.6

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