NVIDIA TITAN X Pascal vs NVIDIA GeForce GTX 660 Ti

VS

NVIDIA TITAN X Pascal NVIDIA GeForce GTX 660 Ti

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

Main Differences

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

NVIDIA GeForce GTX 660 Ti 's Advantages

Lower TDP (150W vs 250W)

Score

Benchmark

FP32 (float)

TITAN X Pascal +316%

10.97 TFLOPS

GeForce GTX 660 Ti

2.634 TFLOPS

3DMark Time Spy

TITAN X Pascal +487%

9556

GeForce GTX 660 Ti

1627

TITAN X Pascal

VS

GeForce GTX 660 Ti

Graphics Card

Aug 2016

Release Date

Aug 2012

GeForce 10

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1417 MHz

Base Clock

915 MHz

1531 MHz

Boost Clock

980 MHz

1251 MHz

Memory Clock

1502 MHz

Memory

12GB

Memory Size

2GB

GDDR5X

Memory Type

GDDR5

384bit

Memory Bus

192bit

480.4GB/s

Bandwidth

144.2GB/s

Render Config

28

SM Count

-

Compute Units

-

3584

Shading Units

1344

224

TMUs

112

96

ROPs

24

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

384 KB

Theoretical Performance

147.0 GPixel/s

Pixel Rate

27.44 GPixel/s

342.9 GTexel/s

Texture Rate

109.8 GTexel/s

171.5 GFLOPS

FP16 (half)

-

10.97 TFLOPS

FP32 (float)

2.634 TFLOPS

342.9 GFLOPS

FP64 (double)

109.8 GFLOPS

Graphics Processor

GP102

GPU Name

GK104

GP102-400-A1

GPU Variant

GK104-300-KD-A2

Pascal

Architecture

Kepler

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

11.8 billion

Transistors

3.54 billion

471 mm²

Die Size

294 mm²

Board Design

250W

TDP

150W

600 W

Suggested PSU

450 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 + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

6.1

CUDA

3.0

6.4

Shader Model

5.1

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