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 5600 XT

CORE STATE Navi 10

VRAM 6 GB

CLOCK SPEED 1560 MHz

TDP 150 W

BUS WIDTH 192 bit

ARCHITECTURE RDNA 1.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

65,001

geekbench_vulkan

14,748

62,081

3dmark_3dmark_steel_nomad_dx12

N/A

1,669

geekbench_metal

N/A

80,376

passmark_directx_10

N/A

73

passmark_directx_11

N/A

96

passmark_directx_12

N/A

52

passmark_directx_9

N/A

202

passmark_g2d

N/A

870

passmark_g3d

N/A

13,457

passmark_gpu_compute

N/A

6,296

DETAILED SPECIFICATIONS

SPECIFICATION

660M

RX 5600 XT

Core Specs

Shading Units

384

2,304 +500.0%

Shaders

384

2,304 +500.0%

TMUs

24

144 +500.0%

ROPs

16

64 +300.0%

Compute Units

6

36 +500.0%

Clocks

Base Clock

1500 MHz

1130 MHz

Boost Clock

1900 MHz

1560 MHz

Game Clock

—

1375 MHz

Memory Clock

System Shared

1500 MHz 12 Gbps effective

Memory

Memory Size

System Shared

6 GB

VRAM (MB)

—

6,144

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

192 bit

Bandwidth

System Dependent

288.0 GB/s

Cache

L1 Cache

128 KB per Array

—

L2 Cache

2 MB

3 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

99.84 GPixel/s

Texture Rate

45.60 GTexel/s

224.6 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

7.188 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

449.3 GFLOPS (1:16)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

14.38 TFLOPS (2:1)

AI/RT

RT Cores

6

—

Power

TDP

40 W

150 W

TDP (W)

40

150 +275.0%

Suggested PSU

—

450 W

Power Connectors

None

1x 8-pin

Architecture

Architecture

RDNA 2.0

RDNA 1.0

GPU Name

Rembrandt

Navi 10

Generation

Navi II IGP (Rembrandt Mobile)

Navi (RX 5000)

Process Size

6 nm

7 nm

Transistors

13,100 million

10,300 million

Die Size

208 mm²

251 mm²

Foundry

TSMC

TSMC

Density

63.0M / mm²

41.0M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.0

2.1

Shader Model

6.8

6.8

Physical

Slot Width

IGP

Dual-slot

Length

—

267 mm 10.5 inches

Outputs

Portable Device Dependent

1x HDMI 2.0b3x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Launch Price

—

279 USD

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

Vega

Successor

Navi III IGP

Navi II

View Radeon 660M Details View Radeon RX 5600 XT Details