GPU Comparison

A

AMD

RADEON

AMD Radeon 660M

CORE STATE Rembrandt

VRAM System Shared

CLOCK SPEED 1900 MHz

TDP 40 W

BUS WIDTH System Shared

ARCHITECTURE RDNA 2.0

nm

PROCESS 6 nm

LAUNCH DATE 2022

VS

A

AMD

RADEON

Radeon RX 560

CORE STATE Polaris 21

VRAM 4 GB

CLOCK SPEED 1275 MHz

TDP 75 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

16,234

geekbench_vulkan

14,748

N/A

geekbench_metal

N/A

23,597

passmark_directx_10

N/A

16

passmark_directx_11

N/A

25

passmark_directx_12

N/A

21

passmark_directx_9

N/A

57

passmark_g2d

N/A

485

passmark_g3d

N/A

3,671

passmark_gpu_compute

N/A

1,437

DETAILED SPECIFICATIONS

SPECIFICATION

660M

RX 560

Core Specs

Shading Units

384

1,024 +166.7%

Shaders

384

1,024 +166.7%

TMUs

24

64 +166.7%

ROPs

16

16 0.0%

Compute Units

6

16 +166.7%

Clocks

Base Clock

1500 MHz

1175 MHz

Boost Clock

1900 MHz

1275 MHz

Memory Clock

System Shared

1750 MHz 7 Gbps effective

Memory

Memory Size

System Shared

4 GB

VRAM (MB)

—

4,096

Memory Type

System Shared

GDDR5

Memory Bus

System Shared

128 bit

Bandwidth

System Dependent

112.0 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per CU)

L2 Cache

2 MB

1024 KB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

20.40 GPixel/s

Texture Rate

45.60 GTexel/s

81.60 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

2.611 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

163.2 GFLOPS (1:16)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

2.611 TFLOPS (1:1)

AI/RT

RT Cores

6

—

Power

TDP

40 W

75 W

TDP (W)

40

75 +87.5%

Suggested PSU

—

250 W

Power Connectors

None

None

Architecture

Architecture

RDNA 2.0

GCN 4.0

GPU Name

Rembrandt

Polaris 21

Generation

Navi II IGP (Rembrandt Mobile)

Polaris (RX 500)

Process Size

6 nm

14 nm

Transistors

13,100 million

3,000 million

Die Size

208 mm²

123 mm²

Foundry

TSMC

GlobalFoundries

Density

63.0M / mm²

24.4M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.3

OpenCL

2.0

2.1

Shader Model

6.8

6.7

Physical

Slot Width

IGP

Dual-slot

Length

—

170 mm 6.7 inches

Outputs

Portable Device Dependent

1x DVI1x HDMI 2.0b1x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x8

Other

Launch Price

—

99 USD

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

Arctic Islands

Successor

Navi III IGP

Vega

View Radeon 660M Details View Radeon RX 560 Details