NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 1080

VS

NVIDIA GeForce GTX 660 Ti

NVIDIA GeForce GTX 1080

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 8GB VRAM GeForce GTX 1080 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 180W)

NVIDIA GeForce GTX 1080 's Advantages

Released 3 years and 9 months late

Boost Clock has increased by 77% (1733MHz vs 980MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 144.2GB/s)

1216 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti

2.634 TFLOPS

GeForce GTX 1080 +236%

8.873 TFLOPS

3DMark Time Spy

GeForce GTX 660 Ti

1627

GeForce GTX 1080 +363%

7536

GeForce GTX 660 Ti

VS

GeForce GTX 1080

Graphics Card

Aug 2012

Release Date

May 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

1607 MHz

980 MHz

Boost Clock

1733 MHz

1502 MHz

Memory Clock

1251 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5X

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

320.3GB/s

Render Config

-

SM Count

20

1344

Shading Units

2560

112

TMUs

160

24

ROPs

64

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

384 KB

L2 Cache

2 MB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

110.9 GPixel/s

109.8 GTexel/s

Texture Rate

277.3 GTexel/s

-

FP16 (half)

138.6 GFLOPS

2.634 TFLOPS

FP32 (float)

8.873 TFLOPS

109.8 GFLOPS

FP64 (double)

277.3 GFLOPS

Board Design

150W

TDP

180W

450 W

Suggested PSU

450 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 8-pin

Graphics Processor

GK104

GPU Name

GP104

GK104-300-KD-A2

GPU Variant

GP104-400-A1

Kepler

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

3.54 billion

Transistors

7.2 billion

294 mm²

Die Size

314 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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