AMD Radeon RX 580 vs AMD Radeon RX 6600 XT

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 's Advantages

256 additional rendering cores

AMD Radeon RX 6600 XT 's Advantages

Released 4 years and 3 months late

Boost Clock has increased by 93% (2589MHz vs 1340MHz)

Lower TDP (160W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580

6.175 TFLOPS

Radeon RX 6600 XT +71%

10.6 TFLOPS

3DMark Time Spy

Radeon RX 580

4359

Radeon RX 6600 XT +119%

9578

Shadow of the Tomb Raider 2160p

Radeon RX 580

17

Radeon RX 6600 XT +123%

38

Shadow of the Tomb Raider 1440p

Radeon RX 580

35

Radeon RX 6600 XT +105%

72

Shadow of the Tomb Raider 1080p

Radeon RX 580

50

Radeon RX 6600 XT +138%

119

Battlefield 5 2160p

Radeon RX 580

27

Radeon RX 6600 XT +114%

58

Battlefield 5 1440p

Radeon RX 580

54

Radeon RX 6600 XT +105%

111

Battlefield 5 1080p

Radeon RX 580

78

Radeon RX 6600 XT +84%

144

GTA 5 1440p

Radeon RX 580

60

Radeon RX 6600 XT +36%

82

Radeon RX 580

VS

Radeon RX 6600 XT

Graphics Card

Apr 2017

Release Date

Jul 2021

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1257 MHz

Base Clock

1968 MHz

1340 MHz

Boost Clock

2589 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

36

Compute Units

32

2304

Shading Units

2048

144

TMUs

128

32

ROPs

64

-

Tensor Cores

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

Theoretical Performance

42.88 GPixel/s

Pixel Rate

165.7 GPixel/s

193.0 GTexel/s

Texture Rate

331.4 GTexel/s

6.175 TFLOPS

FP16 (half)

21.21 TFLOPS

6.175 TFLOPS

FP32 (float)

10.60 TFLOPS

385.9 GFLOPS

FP64 (double)

662.8 GFLOPS

Graphics Processor

Polaris 20

GPU Name

Navi 23

Polaris 20 XTX (215-0910038)

GPU Variant

Navi 23 XT (215-130000006)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

5.7 billion

Transistors

11.06 billion

232 mm²

Die Size

237 mm²

Board Design

185W

TDP

160W

450 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.7

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