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

GeForce GTX 1080 Ti

CORE STATE GP102

VRAM 11 GB

CLOCK SPEED 1582 MHz

TDP 250 W

BUS WIDTH 352 bit

ARCHITECTURE Pascal

nm

PROCESS 16 nm

LAUNCH DATE 2017

PERFORMANCE BENCHMARKS

geekbench_opencl

12,876

67,717

geekbench_vulkan

14,748

83,108

3dmark_3dmark_steel_nomad_dx12

N/A

2,231

geekbench_metal

N/A

30,624

passmark_directx_10

N/A

118

passmark_directx_11

N/A

151

passmark_directx_12

N/A

66

passmark_directx_9

N/A

231

passmark_g2d

N/A

939

passmark_g3d

N/A

18,600

passmark_gpu_compute

N/A

9,632

DETAILED SPECIFICATIONS

SPECIFICATION

660M

GTX 1080 Ti

Core Specs

Shading Units

384

3,584 +833.3%

Shaders

384

3,584 +833.3%

TMUs

24

224 +833.3%

ROPs

16

88 +450.0%

Compute Units

6

—

SM Count

—

28

Clocks

Base Clock

1500 MHz

1481 MHz

Boost Clock

1900 MHz

1582 MHz

Memory Clock

System Shared

1376 MHz 11 Gbps effective

Memory

Memory Size

System Shared

11 GB

VRAM (MB)

—

11,264

Memory Type

System Shared

GDDR5X

Memory Bus

System Shared

352 bit

Bandwidth

System Dependent

484.4 GB/s

Cache

L1 Cache

128 KB per Array

48 KB (per SM)

L2 Cache

2 MB

2.75 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

30.40 GPixel/s

139.2 GPixel/s

Texture Rate

45.60 GTexel/s

354.4 GTexel/s

FP32 (TFLOPS)

1,459.2 GFLOPS

11.34 TFLOPS

FP64 (TFLOPS)

91.20 GFLOPS (1:16)

354.4 GFLOPS (1:32)

FP16 (TFLOPS)

2.918 TFLOPS (2:1)

177.2 GFLOPS (1:64)

AI/RT

RT Cores

6

—

Power

TDP

40 W

250 W

TDP (W)

40

250 +525.0%

Suggested PSU

—

600 W

Power Connectors

None

1x 6-pin + 1x 8-pin

Architecture

Architecture

RDNA 2.0

Pascal

GPU Name

Rembrandt

GP102

Generation

Navi II IGP (Rembrandt Mobile)

GeForce 10

Process Size

6 nm

16 nm

Transistors

13,100 million

11,800 million

Die Size

208 mm²

471 mm²

Foundry

TSMC

TSMC

Density

63.0M / mm²

25.1M / 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

—

6.1

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

1x HDMI 2.03x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Launch Price

—

699 USD

Production

End-of-life

End-of-life

Predecessor

Vega II IGP

GeForce 900

Successor

Navi III IGP

GeForce 20

View Radeon 660M Details View GeForce GTX 1080 Ti Details