GPU Comparison

A

AMD

RADEON

AMD Radeon RX 590

CORE STATE Polaris 30

VRAM 8 GB

CLOCK SPEED 1545 MHz

TDP 175 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 12 nm

LAUNCH DATE 2018

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

1,081

1,492

geekbench_metal

59,832

99,441

geekbench_opencl

N/A

73,130

geekbench_vulkan

N/A

80,492

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

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

1469 MHz

1626 MHz

Boost Clock

1545 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

49.44 GPixel/s

159.4 GPixel/s

Texture Rate

222.5 GTexel/s

279.0 GTexel/s

FP32 (TFLOPS)

7.119 TFLOPS

8.928 TFLOPS

FP64 (TFLOPS)

445.0 GFLOPS (1:16)

558.0 GFLOPS (1:16)

FP16 (TFLOPS)

7.119 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 30

Navi 23

Generation

Polaris (RX 500)

Navi II (RX 6000)

Process Size

12 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

279 USD

329 USD

Production

End-of-life

End-of-life

Predecessor

Arctic Islands

Navi

Successor

Vega

Navi III

View Radeon RX 590 Details View Radeon RX 6600 Details