NVIDIA GeForce GTX 960 OEM vs NVIDIA GeForce GTX 660 Rev. 2

VS

NVIDIA GeForce GTX 960 OEM

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 960 OEM and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 960 OEM 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 16% (1201MHz vs 1032MHz)

More VRAM (4GB vs 2GB)

64 additional rendering cores

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Larger VRAM bandwidth (144.2GB/s vs 112.2GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 960 OEM +24%

2.46 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

GeForce GTX 960 OEM

VS

GeForce GTX 660 Rev. 2

Graphics Card

Nov 2015

Release Date

Sep 2014

GeForce 900

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1176 MHz

Base Clock

980 MHz

1201 MHz

Boost Clock

1032 MHz

1753 MHz

Memory Clock

1502 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

112.2GB/s

Bandwidth

144.2GB/s

Render Config

-

1024

Shading Units

960

64

TMUs

80

32

ROPs

24

-

48 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

384 KB

-

Theoretical Performance

38.43 GPixel/s

Pixel Rate

20.64 GPixel/s

76.86 GTexel/s

Texture Rate

82.56 GTexel/s

-

2.460 TFLOPS

FP32 (float)

1.981 TFLOPS

76.86 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

Unknown

TDP

140W

200 W

Suggested PSU

300 W

No outputs

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

GM206

GPU Name

GK104

GTX 960 OEM

GPU Variant

-

Maxwell 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.94 billion

Transistors

3.54 billion

228 mm²

Die Size

294 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.2

CUDA

3.0

6.7

Shader Model

5.1

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