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

NVIDIA

GEFORCE

RTX A6000

CORE STATE GA102

VRAM 48 GB

CLOCK SPEED 1800 MHz

TDP 300 W

BUS WIDTH 384 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

180,149

geekbench_vulkan

14,748

165,451

passmark_directx_10

N/A

155

passmark_directx_11

N/A

191

passmark_directx_12

N/A

87

passmark_directx_9

N/A

245

passmark_g2d

N/A

913

passmark_g3d

N/A

22,577

passmark_gpu_compute

N/A

14,110

DETAILED SPECIFICATIONS

SPECIFICATION

660M

RTX A6000

Core Specs

Shading Units

384

10,752 +2700.0%

Shaders

384

10,752 +2700.0%

TMUs

24

336 +1300.0%

ROPs

16

112 +600.0%

Compute Units

6

—

SM Count

—

84

Clocks

Base Clock

1500 MHz

1410 MHz

Boost Clock

1900 MHz

1800 MHz

Memory Clock

System Shared

2000 MHz 16 Gbps effective

Memory

Memory Size

System Shared

48 GB

VRAM (MB)

—

49,152

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

384 bit

Bandwidth

System Dependent

768.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

2 MB

6 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

201.6 GPixel/s

Texture Rate

45.60 GTexel/s

604.8 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

38.71 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

604.8 GFLOPS (1:64)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

38.71 TFLOPS (1:1)

AI/RT

RT Cores

6

84 +1300.0%

Tensor Cores

—

336

Power

TDP

40 W

300 W

TDP (W)

40

300 +650.0%

Suggested PSU

—

700 W

Power Connectors

None

8-pin EPS

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Rembrandt

GA102

Generation

Navi II IGP (Rembrandt Mobile)

Workstation Ampere (Ax000)

Process Size

6 nm

8 nm

Transistors

13,100 million

28,300 million

Die Size

208 mm²

628 mm²

Foundry

TSMC

Samsung

Density

63.0M / mm²

45.1M / 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

CUDA

—

8.6

Shader Model

6.8

6.8

Physical

Slot Width

IGP

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

112 mm 4.4 inches

Outputs

Portable Device Dependent

4x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Launch Price

—

4,649 USD

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

Quadro Turing

Successor

Navi III IGP

Workstation Ada

View Radeon 660M Details View RTX A6000 Details