NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 560 OEM

VS

NVIDIA GeForce GTX 660

NVIDIA GeForce GTX 560 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 1280MB VRAM GeForce GTX 560 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 10 months late

Boost Clock1032MHz

More VRAM (2GB vs 1280GB)

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

576 additional rendering cores

Lower TDP (140W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +133%

1.981 TFLOPS

GeForce GTX 560 OEM

0.848 TFLOPS

GeForce GTX 660

VS

GeForce GTX 560 OEM

Graphics Card

Sep 2012

Release Date

Nov 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

802 MHz

Memory

2GB

Memory Size

1280MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

320bit

144.2GB/s

Bandwidth

128.3GB/s

Render Config

-

SM Count

12

960

Shading Units

384

80

TMUs

48

24

ROPs

40

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

640 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

13.25 GPixel/s

82.56 GTexel/s

Texture Rate

26.50 GTexel/s

-

1.981 TFLOPS

FP32 (float)

847.9 GFLOPS

82.56 GFLOPS

FP64 (double)

106.0 GFLOPS

Board Design

140W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x HDMI 1.3a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

GF110

GK106-400-A1

GPU Variant

GF110-040-A1

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

3 billion

221 mm²

Die Size

520 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

2.0

5.1

Shader Model

5.1

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