NVIDIA GeForce GTX 560 vs NVIDIA GeForce GTX 660

VS

NVIDIA GeForce GTX 560 NVIDIA GeForce GTX 660

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

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 1 years and 4 months late

Boost Clock1032MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (144.2GB/s vs 128.0GB/s)

624 additional rendering cores

Lower TDP (140W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 560

1.089 TFLOPS

GeForce GTX 660 +81%

1.981 TFLOPS

GeForce GTX 560

VS

GeForce GTX 660

Graphics Card

May 2011

Release Date

Sep 2012

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1000 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

128.0GB/s

Bandwidth

144.2GB/s

Render Config

7

SM Count

-

Compute Units

-

336

Shading Units

960

56

TMUs

80

32

ROPs

24

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

Theoretical Performance

11.34 GPixel/s

Pixel Rate

20.64 GPixel/s

45.36 GTexel/s

Texture Rate

82.56 GTexel/s

-

FP16 (half)

-

1089 GFLOPS

FP32 (float)

1.981 TFLOPS

90.72 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

GF114

GPU Name

GK106

GF114-325-A1

GPU Variant

GK106-400-A1

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

2.54 billion

332 mm²

Die Size

221 mm²

Board Design

150W

TDP

140W

450 W

Suggested PSU

300 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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