NVIDIA GeForce GTX TITAN vs NVIDIA GeForce GTX 660 Ti

VS

NVIDIA GeForce GTX TITAN

NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN 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 GeForce GTX TITAN 's Advantages

Released 6 months late

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 144.2GB/s)

1344 additional rendering cores

NVIDIA GeForce GTX 660 Ti 's Advantages

Boost Clock has increased by 12% (980MHz vs 876MHz)

Lower TDP (150W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN +78%

4.709 TFLOPS

GeForce GTX 660 Ti

2.634 TFLOPS

3DMark Time Spy

GeForce GTX TITAN +78%

2900

GeForce GTX 660 Ti

1627

GeForce GTX TITAN

VS

GeForce GTX 660 Ti

Graphics Card

Feb 2013

Release Date

Aug 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

836 MHz

Base Clock

915 MHz

876 MHz

Boost Clock

980 MHz

1502 MHz

Memory Clock

1502 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

192bit

288.4GB/s

Bandwidth

144.2GB/s

Render Config

-

2688

Shading Units

1344

224

TMUs

112

48

ROPs

24

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

384 KB

-

Theoretical Performance

49.06 GPixel/s

Pixel Rate

27.44 GPixel/s

196.2 GTexel/s

Texture Rate

109.8 GTexel/s

-

4.709 TFLOPS

FP32 (float)

2.634 TFLOPS

1.570 TFLOPS

FP64 (double)

109.8 GFLOPS

Board Design

250W

TDP

150W

600 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GK110

GPU Name

GK104

GK110-400-A1

GPU Variant

GK104-300-KD-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

3.54 billion

561 mm²

Die Size

294 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

3.5

CUDA

3.0

5.1

Shader Model

5.1

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