NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GTX 650 Ti

VS

NVIDIA GeForce GTX 660 OEM

NVIDIA GeForce GTX 650 Ti

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM 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 OEM 's Advantages

Boost Clock888MHz

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 86.40GB/s)

384 additional rendering cores

NVIDIA GeForce GTX 650 Ti 's Advantages

Lower TDP (110W vs 130W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +43%

2.046 TFLOPS

GeForce GTX 650 Ti

1.425 TFLOPS

GeForce GTX 660 OEM

VS

GeForce GTX 650 Ti

Graphics Card

Aug 2012

Release Date

Oct 2012

GeForce 600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

1350 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

134.4GB/s

Bandwidth

86.40GB/s

Render Config

-

1152

Shading Units

768

96

TMUs

64

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

14.85 GPixel/s

85.25 GTexel/s

Texture Rate

59.39 GTexel/s

-

2.046 TFLOPS

FP32 (float)

1425 GFLOPS

85.25 GFLOPS

FP64 (double)

59.39 GFLOPS

Board Design

130W

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 Processor

GK104

GPU Name

GK106

GK104-200-KD-A2

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

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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