GPU Comparison

A

AMD

RADEON

AMD Radeon RX 480

CORE STATE Ellesmere

VRAM 8 GB

CLOCK SPEED 1266 MHz

TDP 150 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2016

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

966

1,492

geekbench_metal

51,057

99,441

geekbench_opencl

38,245

73,130

geekbench_vulkan

45,968

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 480

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

1120 MHz

1626 MHz

Boost Clock

1266 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

40.51 GPixel/s

159.4 GPixel/s

Texture Rate

182.3 GTexel/s

279.0 GTexel/s

FP32 (TFLOPS)

5.834 TFLOPS

8.928 TFLOPS

FP64 (TFLOPS)

364.6 GFLOPS (1:16)

558.0 GFLOPS (1:16)

FP16 (TFLOPS)

5.834 TFLOPS (1:1)

17.86 TFLOPS (2:1)

AI/RT

RT Cores

—

28

Power

TDP

150 W

132 W

TDP (W)

150

132 -12.0%

Suggested PSU

450 W

300 W

Power Connectors

1x 6-pin

1x 8-pin

Architecture

Architecture

GCN 4.0

RDNA 2.0

GPU Name

Ellesmere

Navi 23

Generation

Arctic Islands (RX 400)

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

240 mm 9.4 inches

190 mm 7.5 inches

Height

95 mm 3.7 inches

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

229 USD

329 USD

Production

End-of-life

End-of-life

Predecessor

Pirate Islands

Navi

Successor

Polaris

Navi III

View Radeon RX 480 Details View Radeon RX 6600 Details