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

Quadro M4000

CORE STATE GM204

VRAM 8 GB

CLOCK SPEED —

TDP 120 W

BUS WIDTH 256 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2015

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

20,128

geekbench_vulkan

14,748

24,640

3dmark_3dmark_steel_nomad_dx12

N/A

680

passmark_directx_10

N/A

33

passmark_directx_11

N/A

49

passmark_directx_12

N/A

26

passmark_directx_9

N/A

113

passmark_g2d

N/A

673

passmark_g3d

N/A

6,680

passmark_gpu_compute

N/A

2,660

DETAILED SPECIFICATIONS

SPECIFICATION

660M

Quadro M4000

Core Specs

Shading Units

384

1,664 +333.3%

Shaders

384

1,664 +333.3%

TMUs

24

104 +333.3%

ROPs

16

64 +300.0%

Compute Units

6

—

Clocks

Base Clock

1500 MHz

—

Boost Clock

1900 MHz

—

GPU Clock

—

773 MHz

Memory Clock

System Shared

1502 MHz 6 Gbps effective

Memory

Memory Size

System Shared

8 GB

VRAM (MB)

—

8,192

Memory Type

System Shared

GDDR5

Memory Bus

System Shared

256 bit

Bandwidth

System Dependent

192.3 GB/s

Cache

L1 Cache

128 KB per Array

48 KB (per SMM)

L2 Cache

2 MB

2 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

49.47 GPixel/s

Texture Rate

45.60 GTexel/s

80.39 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

2.573 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

80.39 GFLOPS (1:32)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

—

AI/RT

RT Cores

6

—

Power

TDP

40 W

120 W

TDP (W)

40

120 +200.0%

Suggested PSU

—

300 W

Power Connectors

None

1x 6-pin

Architecture

Architecture

RDNA 2.0

Maxwell 2.0

GPU Name

Rembrandt

GM204

Generation

Navi II IGP (Rembrandt Mobile)

Quadro Maxwell (Mx000)

Process Size

6 nm

28 nm

Transistors

13,100 million

5,200 million

Die Size

208 mm²

398 mm²

Foundry

TSMC

TSMC

Density

63.0M / mm²

13.1M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.0

3.0

CUDA

—

5.2

Shader Model

6.8

6.8

Physical

Slot Width

IGP

Single-slot

Length

—

241 mm 9.5 inches

Height

—

111 mm 4.4 inches

Outputs

Portable Device Dependent

4x DisplayPort 1.2

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

Quadro Kepler

Successor

Navi III IGP

Quadro Pascal

View Radeon 660M Details View Quadro M4000 Details