NVIDIA GeForce GTX 560 Ti 448 vs NVIDIA GeForce GTX 660

VS

NVIDIA GeForce GTX 560 Ti 448

NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 1280MB VRAM GeForce GTX 560 Ti 448 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 560 Ti 448 's Advantages

Larger VRAM bandwidth (152.0GB/s vs 144.2GB/s)

NVIDIA GeForce GTX 660 's Advantages

Released 10 months late

Boost Clock1032MHz

More VRAM (2GB vs 1280GB)

512 additional rendering cores

Lower TDP (140W vs 210W)

Score

Benchmark

FP32 (float)

GeForce GTX 560 Ti 448

1.312 TFLOPS

GeForce GTX 660 +50%

1.981 TFLOPS

GeForce GTX 560 Ti 448

VS

GeForce GTX 660

Graphics Card

Nov 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

950 MHz

Memory Clock

1502 MHz

Memory

1280MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

192bit

152.0GB/s

Bandwidth

144.2GB/s

Render Config

-

14

SM Count

-

448

Shading Units

960

56

TMUs

80

40

ROPs

24

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

640 KB

L2 Cache

384 KB

-

Theoretical Performance

20.50 GPixel/s

Pixel Rate

20.64 GPixel/s

40.99 GTexel/s

Texture Rate

82.56 GTexel/s

-

1312 GFLOPS

FP32 (float)

1.981 TFLOPS

164.0 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

210W

TDP

140W

550 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 Processor

GF110

GPU Name

GK106

GF110-270-A1

GPU Variant

GK106-400-A1

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3 billion

Transistors

2.54 billion

520 mm²

Die Size

221 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.0

CUDA

3.0

5.1

Shader Model

5.1

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