NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 1080 Ti

VS

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce GTX 1080 Ti

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 11GB VRAM GeForce GTX 1080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Lower TDP (140W vs 250W)

NVIDIA GeForce GTX 1080 Ti 's Advantages

Released 2 years and 6 months late

Boost Clock has increased by 53% (1582MHz vs 1032MHz)

More VRAM (11GB vs 2GB)

Larger VRAM bandwidth (484.4GB/s vs 144.2GB/s)

2624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

GeForce GTX 1080 Ti +472%

11.34 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce GTX 1080 Ti

Graphics Card

Sep 2014

Release Date

Mar 2017

GeForce 600

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

1481 MHz

1032 MHz

Boost Clock

1582 MHz

1502 MHz

Memory Clock

1376 MHz

Memory

2GB

Memory Size

11GB

GDDR5

Memory Type

GDDR5X

192bit

Memory Bus

352bit

144.2GB/s

Bandwidth

484.4GB/s

Render Config

-

SM Count

28

960

Shading Units

3584

80

TMUs

224

24

ROPs

88

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

384 KB

L2 Cache

0 MB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

139.2 GPixel/s

82.56 GTexel/s

Texture Rate

354.4 GTexel/s

-

FP16 (half)

177.2 GFLOPS

1.981 TFLOPS

FP32 (float)

11.34 TFLOPS

82.56 GFLOPS

FP64 (double)

354.4 GFLOPS

Board Design

140W

TDP

250W

300 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK104

GPU Name

GP102

-

GPU Variant

GP102-350-K1-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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