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

i

Intel

GPU

Arc A380

CORE STATE DG2-128

VRAM 6 GB

CLOCK SPEED 2050 MHz

TDP 75 W

BUS WIDTH 96 bit

ARCHITECTURE Xe-HPG

nm

PROCESS 6 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

38,224

geekbench_vulkan

14,748

36,736

3dmark_3dmark_steel_nomad_dx12

N/A

808

passmark_directx_10

N/A

37

passmark_directx_11

N/A

38

passmark_directx_12

N/A

35

passmark_directx_9

N/A

73

passmark_g2d

N/A

610

passmark_g3d

N/A

6,252

passmark_gpu_compute

N/A

2,762

DETAILED SPECIFICATIONS

SPECIFICATION

660M

A380

Core Specs

Shading Units

384

1,024 +166.7%

Shaders

384

1,024 +166.7%

TMUs

24

64 +166.7%

ROPs

16

32 +100.0%

Compute Units

6

—

Execution Units

—

128

Clocks

Base Clock

1500 MHz

2000 MHz

Boost Clock

1900 MHz

2050 MHz

Memory Clock

System Shared

1937 MHz 15.5 Gbps effective

Memory

Memory Size

System Shared

6 GB

VRAM (MB)

—

6,144

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

96 bit

Bandwidth

System Dependent

186.0 GB/s

Cache

L1 Cache

128 KB per Array

—

L2 Cache

2 MB

4 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

65.60 GPixel/s

Texture Rate

45.60 GTexel/s

131.2 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

4.198 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

1,049.6 GFLOPS (1:4)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

8.397 TFLOPS (2:1)

AI/RT

RT Cores

6

8 +33.3%

XMX Cores

—

128

Power

TDP

40 W

75 W

TDP (W)

40

75 +87.5%

Suggested PSU

—

250 W

Power Connectors

None

1x 8-pin

Architecture

Architecture

RDNA 2.0

Xe-HPG

GPU Name

Rembrandt

DG2-128

Generation

Navi II IGP (Rembrandt Mobile)

Alchemist (Arc 3)

Process Size

6 nm

6 nm

Transistors

13,100 million

7,200 million

Die Size

208 mm²

157 mm²

Foundry

TSMC

TSMC

Density

63.0M / mm²

45.9M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.0

3.0

Shader Model

6.8

6.6

Physical

Slot Width

IGP

Dual-slot

Length

—

222 mm 8.7 inches

Height

—

114 mm 4.5 inches

Outputs

Portable Device Dependent

1x HDMI 2.13x DisplayPort 2.0

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x8

Other

Launch Price

—

149 USD

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

Xe Graphics

Successor

Navi III IGP

Battlemage

View Radeon 660M Details View Arc A380 Details