NVIDIA GeForce GTX 660 Ti vs NVIDIA TITAN X Pascal

VS

NVIDIA GeForce GTX 660 Ti

NVIDIA TITAN X Pascal

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 12GB VRAM TITAN X Pascal to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Lower TDP (150W vs 250W)

NVIDIA TITAN X Pascal 's Advantages

Released 4 years late

Boost Clock has increased by 56% (1531MHz vs 980MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (480.4GB/s vs 144.2GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti

2.634 TFLOPS

TITAN X Pascal +316%

10.97 TFLOPS

3DMark Time Spy

GeForce GTX 660 Ti

1627

TITAN X Pascal +488%

9576

GeForce GTX 660 Ti

VS

TITAN X Pascal

Graphics Card

Aug 2012

Release Date

Aug 2016

GeForce 600

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

915 MHz

Base Clock

1417 MHz

980 MHz

Boost Clock

1531 MHz

1502 MHz

Memory Clock

1251 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5X

192bit

Memory Bus

384bit

144.2GB/s

Bandwidth

480.4GB/s

Render Config

-

SM Count

28

1344

Shading Units

3584

112

TMUs

224

24

ROPs

96

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

384 KB

L2 Cache

3 MB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

147.0 GPixel/s

109.8 GTexel/s

Texture Rate

342.9 GTexel/s

-

FP16 (half)

171.5 GFLOPS

2.634 TFLOPS

FP32 (float)

10.97 TFLOPS

109.8 GFLOPS

FP64 (double)

342.9 GFLOPS

Board Design

150W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK104

GPU Name

GP102

GK104-300-KD-A2

GPU Variant

GP102-400-A1

Kepler

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

3.54 billion

Transistors

11.8 billion

294 mm²

Die Size

471 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

6.1

5.1

Shader Model

6.4

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