NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 560 Ti

VS

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce GTX 560 Ti

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 1024MB VRAM GeForce GTX 560 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 3 years and 8 months late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 128.3GB/s)

576 additional rendering cores

Lower TDP (140W vs 170W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +56%

1.981 TFLOPS

GeForce GTX 560 Ti

1.263 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce GTX 560 Ti

Graphics Card

Sep 2014

Release Date

Jan 2011

GeForce 600

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

1002 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

128.3GB/s

Render Config

-

SM Count

8

960

Shading Units

384

80

TMUs

64

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

13.17 GPixel/s

82.56 GTexel/s

Texture Rate

52.67 GTexel/s

-

1.981 TFLOPS

FP32 (float)

1263 GFLOPS

82.56 GFLOPS

FP64 (double)

105.3 GFLOPS

Board Design

140W

TDP

170W

300 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK104

GPU Name

GF114

-

GPU Variant

GF114-400-A1

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

1.95 billion

294 mm²

Die Size

332 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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