NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 650 Ti

VS

NVIDIA GeForce GTX 660 Rev. 2 NVIDIA GeForce GTX 650 Ti

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 1024MB VRAM GeForce GTX 650 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 1 years and 11 months late

Boost Clock1032MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (144.2GB/s vs 86.40GB/s)

192 additional rendering cores

NVIDIA GeForce GTX 650 Ti 's Advantages

Lower TDP (110W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +39%

1.981 TFLOPS

GeForce GTX 650 Ti

1.425 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce GTX 650 Ti

Graphics Card

Sep 2014

Release Date

Oct 2012

GeForce 600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

1350 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

86.40GB/s

Render Config

-

SM Count

-

Compute Units

-

960

Shading Units

768

80

TMUs

64

24

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

256 KB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

14.85 GPixel/s

82.56 GTexel/s

Texture Rate

59.39 GTexel/s

-

FP16 (half)

-

1.981 TFLOPS

FP32 (float)

1425 GFLOPS

82.56 GFLOPS

FP64 (double)

59.39 GFLOPS

Graphics Processor

GK104

GPU Name

GK106

-

GPU Variant

GK106-220-A1

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.54 billion

294 mm²

Die Size

221 mm²

Board Design

140W

TDP

110W

300 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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