AMD Radeon RX 580 vs AMD Radeon RX 6600

VS

AMD Radeon RX 580

AMD Radeon RX 6600

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

Main Differences

AMD Radeon RX 580 's Advantages

Larger VRAM bandwidth (256.0GB/s vs 224.0GB/s)

512 additional rendering cores

AMD Radeon RX 6600 's Advantages

Released 4 years and 6 months late

Boost Clock has increased by 86% (2491MHz vs 1340MHz)

Lower TDP (132W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580

6.175 TFLOPS

Radeon RX 6600 +44%

8.928 TFLOPS

3DMark Time Spy

Radeon RX 580

4362

Radeon RX 6600 +85%

8084

Shadow of the Tomb Raider 2160p

Radeon RX 580

17

Radeon RX 6600 +100%

34

Shadow of the Tomb Raider 1440p

Radeon RX 580

35

Radeon RX 6600 +102%

71

Shadow of the Tomb Raider 1080p

Radeon RX 580

50

Radeon RX 6600 +152%

126

Battlefield 5 2160p

Radeon RX 580

27

Radeon RX 6600 +62%

44

Battlefield 5 1440p

Radeon RX 580

54

Radeon RX 6600 +81%

98

Battlefield 5 1080p

Radeon RX 580

78

Radeon RX 6600 +62%

127

GTA 5 1440p

Radeon RX 580

60

Radeon RX 6600 +10%

66

Radeon RX 580

VS

Radeon RX 6600

Graphics Card

Apr 2017

Release Date

Oct 2021

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1257 MHz

Base Clock

1626 MHz

1340 MHz

Boost Clock

2491 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

224.0GB/s

Render Config

36

Compute Units

28

-

2304

Shading Units

1792

144

TMUs

112

32

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

42.88 GPixel/s

Pixel Rate

159.4 GPixel/s

193.0 GTexel/s

Texture Rate

279.0 GTexel/s

6.175 TFLOPS

FP16 (half)

17.86 TFLOPS

6.175 TFLOPS

FP32 (float)

8.928 TFLOPS

385.9 GFLOPS

FP64 (double)

558.0 GFLOPS

Board Design

185W

TDP

132W

450 W

Suggested PSU

300 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 Processor

Polaris 20

GPU Name

Navi 23

Polaris 20 XTX (215-0910038)

GPU Variant

Navi 23 XL (215-130000016)

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

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

-

6.4

Shader Model

6.5

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