GPU Comparison

A

AMD

RADEON

AMD Radeon RX 590 GME

CORE STATE Polaris 20

VRAM 8 GB

CLOCK SPEED 1420 MHz

TDP 175 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2020

VS

A

AMD

RADEON

Radeon RX 6600

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2491 MHz

TDP 132 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,001

1,492

geekbench_vulkan

60,508

80,492

geekbench_metal

N/A

99,441

geekbench_opencl

N/A

73,130

passmark_directx_10

N/A

95

passmark_directx_11

N/A

152

passmark_directx_12

N/A

51

passmark_directx_9

N/A

197

passmark_g2d

N/A

889

passmark_g3d

N/A

15,096

passmark_gpu_compute

N/A

6,554

DETAILED SPECIFICATIONS

SPECIFICATION

RX 590 GME

RX 6600

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

1626 MHz

Boost Clock

1420 MHz

2491 MHz

Game Clock

—

2044 MHz

Memory Clock

2000 MHz 8 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

8 GB

8 GB

VRAM (MB)

8,192

8,192 0.0%

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

45.44 GPixel/s

159.4 GPixel/s

Texture Rate

204.5 GTexel/s

279.0 GTexel/s

FP32 (TFLOPS)

6.543 TFLOPS

8.928 TFLOPS

FP64 (TFLOPS)

409.0 GFLOPS (1:16)

558.0 GFLOPS (1:16)

FP16 (TFLOPS)

6.543 TFLOPS (1:1)

17.86 TFLOPS (2:1)

AI/RT

RT Cores

—

28

Power

TDP

175 W

132 W

TDP (W)

175

132 -24.6%

Suggested PSU

450 W

300 W

Power Connectors

1x 8-pin

1x 8-pin

Architecture

Architecture

GCN 4.0

RDNA 2.0

GPU Name

Polaris 20

Navi 23

Generation

Polaris (RX 500)

Navi II (RX 6000)

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

Dual-slot

Length

241 mm 9.5 inches

190 mm 7.5 inches

Height

—

110 mm 4.3 inches

Outputs

1x HDMI 2.0b3x DisplayPort 1.4a

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x8

Other

Launch Price

—

329 USD

Production

End-of-life

End-of-life

Predecessor

Arctic Islands

Navi

Successor

Vega

Navi III

View Radeon RX 590 GME Details View Radeon RX 6600 Details