GPU Comparison

A

AMD

RADEON

AMD Radeon RX 580

CORE STATE Polaris 20

VRAM 8 GB

CLOCK SPEED 1340 MHz

TDP 185 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

VS

A

AMD

RADEON

Radeon RX 6600S

CORE STATE Navi 23

VRAM 4 GB

CLOCK SPEED 2000 MHz

TDP 80 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,005

N/A

geekbench_metal

52,176

N/A

geekbench_opencl

37,453

66,403

geekbench_vulkan

45,173

N/A

passmark_directx_10

46

81

passmark_directx_11

60

105

passmark_directx_12

43

56

passmark_directx_9

124

176

passmark_g2d

769

647

passmark_g3d

8,813

12,649

passmark_gpu_compute

3,488

4,879

DETAILED SPECIFICATIONS

SPECIFICATION

RX 580

RX 6600S

Core Specs

Shading Units

2,304

1,792 -22.2%

Shaders

2,304

1,792 -22.2%

TMUs

144

112 -22.2%

ROPs

32

64 +100.0%

Compute Units

36

28 -22.2%

Clocks

Base Clock

1257 MHz

1700 MHz

Boost Clock

1340 MHz

2000 MHz

Game Clock

—

1881 MHz

Memory Clock

2000 MHz 8 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

8 GB

4 GB

VRAM (MB)

8,192

4,096 -50.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

128 bit

Bandwidth

256.0 GB/s

224.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

2 MB

2 MB

L3 Cache

—

32 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

42.88 GPixel/s

128.0 GPixel/s

Texture Rate

193.0 GTexel/s

224.0 GTexel/s

FP32 (TFLOPS)

6.175 TFLOPS

7.168 TFLOPS

FP64 (TFLOPS)

385.9 GFLOPS (1:16)

448.0 GFLOPS (1:16)

FP16 (TFLOPS)

6.175 TFLOPS (1:1)

14.34 TFLOPS (2:1)

AI/RT

RT Cores

—

28

Power

TDP

185 W

80 W

TDP (W)

185

80 -56.8%

Suggested PSU

450 W

—

Power Connectors

1x 8-pin

None

Architecture

Architecture

GCN 4.0

RDNA 2.0

GPU Name

Polaris 20

Navi 23

Generation

Polaris (RX 500)

Navi Mobile (RX 6000M)

Process Size

14 nm

7 nm

Transistors

5,700 million

11,060 million

Die Size

232 mm²

237 mm²

Foundry

GlobalFoundries

TSMC

Density

24.6M / mm²

46.7M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

2.1

Shader Model

6.7

6.8

Physical

Slot Width

Dual-slot

IGP

Length

241 mm 9.5 inches

—

Outputs

1x HDMI 2.0b3x DisplayPort 1.4a

Portable Device Dependent

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x8

Other

Launch Price

229 USD

—

Production

End-of-life

End-of-life

Predecessor

Arctic Islands

Polaris Mobile

Successor

Vega

—

View Radeon RX 580 Details View Radeon RX 6600S Details