NVIDIA GeForce GTX 960 vs NVIDIA GeForce GTX 660 OEM

VS

NVIDIA GeForce GTX 960

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 960 and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 960 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 33% (1178MHz vs 888MHz)

More VRAM (2GB vs 1536GB)

Lower TDP (120W vs 130W)

NVIDIA GeForce GTX 660 OEM 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 112.2GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 960 +17%

2.413 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

GeForce GTX 960

VS

GeForce GTX 660 OEM

Graphics Card

Jan 2015

Release Date

Aug 2012

GeForce 900

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1127 MHz

Base Clock

823 MHz

1178 MHz

Boost Clock

888 MHz

1753 MHz

Memory Clock

1400 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

112.2GB/s

Bandwidth

134.4GB/s

Render Config

-

1024

Shading Units

1152

64

TMUs

96

32

ROPs

24

-

48 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

384 KB

-

Theoretical Performance

37.70 GPixel/s

Pixel Rate

21.31 GPixel/s

75.39 GTexel/s

Texture Rate

85.25 GTexel/s

-

2.413 TFLOPS

FP32 (float)

2.046 TFLOPS

75.39 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

120W

TDP

130W

300 W

Suggested PSU

300 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GM206

GPU Name

GK104

GM206-300-A1

GPU Variant

GK104-200-KD-A2

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

6.4

Shader Model

5.1

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