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 A770M

CORE STATE DG2-512

VRAM 16 GB

CLOCK SPEED 2050 MHz

TDP 120 W

BUS WIDTH 256 bit

ARCHITECTURE Xe-HPG

nm

PROCESS 6 nm

LAUNCH DATE —

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

89,494

geekbench_vulkan

14,748

74,422

3dmark_3dmark_steel_nomad_dx12

N/A

2,278

passmark_directx_10

N/A

56

passmark_directx_11

N/A

69

passmark_directx_12

N/A

70

passmark_directx_9

N/A

178

passmark_g2d

N/A

711

passmark_g3d

N/A

11,774

passmark_gpu_compute

N/A

4,778

DETAILED SPECIFICATIONS

SPECIFICATION

660M

A770M

Core Specs

Shading Units

384

4,096 +966.7%

Shaders

384

4,096 +966.7%

TMUs

24

256 +966.7%

ROPs

16

128 +700.0%

Compute Units

6

—

Execution Units

—

512

Clocks

Base Clock

1500 MHz

1650 MHz

Boost Clock

1900 MHz

2050 MHz

Memory Clock

System Shared

2000 MHz 16 Gbps effective

Memory

Memory Size

System Shared

16 GB

VRAM (MB)

—

16,384

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

256 bit

Bandwidth

System Dependent

512.0 GB/s

Cache

L1 Cache

128 KB per Array

—

L2 Cache

2 MB

16 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

262.4 GPixel/s

Texture Rate

45.60 GTexel/s

524.8 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

16.79 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

—

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

33.59 TFLOPS (2:1)

AI/RT

RT Cores

6

32 +433.3%

XMX Cores

—

512

Power

TDP

40 W

120 W

TDP (W)

40

120 +200.0%

Power Connectors

None

—

Architecture

Architecture

RDNA 2.0

Xe-HPG

GPU Name

Rembrandt

DG2-512

Generation

Navi II IGP (Rembrandt Mobile)

Alchemist (Arc 7 Mobile)

Process Size

6 nm

6 nm

Transistors

13,100 million

21,700 million

Die Size

208 mm²

406 mm²

Foundry

TSMC

TSMC

Density

63.0M / mm²

53.4M / 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

IGP

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

—

Successor

Navi III IGP

—

View Radeon 660M Details View Arc A770M Details