GPU Comparison

A

AMD

RADEON

AMD Radeon RX 580 2048SP

CORE STATE Polaris 20

VRAM 4 GB

CLOCK SPEED 1284 MHz

TDP 150 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2018

VS

A

AMD

RADEON

Radeon RX 6600M

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2416 MHz

TDP 100 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

849

1,495

geekbench_opencl

34,488

66,290

geekbench_vulkan

40,523

73,740

geekbench_metal

N/A

94,242

passmark_directx_10

N/A

87

passmark_directx_11

N/A

136

passmark_directx_12

N/A

52

passmark_directx_9

N/A

184

passmark_g2d

N/A

728

passmark_g3d

N/A

13,929

passmark_gpu_compute

N/A

5,646

DETAILED SPECIFICATIONS

SPECIFICATION

RX 580 2048SP

RX 6600M

Core Specs

Shading Units

2,048

1,792 -12.5%

Shaders

2,048

1,792 -12.5%

TMUs

128

112 -12.5%

ROPs

32

64 +100.0%

Compute Units

32

28 -12.5%

Clocks

Base Clock

1168 MHz

2068 MHz

Boost Clock

1284 MHz

2416 MHz

Game Clock

—

2177 MHz

Memory Clock

1750 MHz 7 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

4 GB

8 GB

VRAM (MB)

4,096

8,192 +100.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

128 bit

Bandwidth

224.0 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

41.09 GPixel/s

154.6 GPixel/s

Texture Rate

164.4 GTexel/s

270.6 GTexel/s

FP32 (TFLOPS)

5.259 TFLOPS

8.659 TFLOPS

FP64 (TFLOPS)

328.7 GFLOPS (1:16)

541.2 GFLOPS (1:16)

FP16 (TFLOPS)

5.259 TFLOPS (1:1)

17.32 TFLOPS (2:1)

AI/RT

RT Cores

—

28

Power

TDP

150 W

100 W

TDP (W)

150

100 -33.3%

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 DVI1x HDMI 2.0b3x DisplayPort 1.4a

Portable Device Dependent

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x8

Other

Production

End-of-life

End-of-life

Predecessor

Arctic Islands

Polaris Mobile

Successor

Vega

—

View Radeon RX 580 2048SP Details View Radeon RX 6600M Details