NVIDIA GeForce GTX 1080 Ti 12 GB vs NVIDIA GeForce GTX 660 Rev. 2

VS

NVIDIA GeForce GTX 1080 Ti 12 GB NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX 1080 Ti 12 GB and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Ti 12 GB 's Advantages

Boost Clock has increased by 62% (1670MHz vs 1032MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (528.4GB/s vs 144.2GB/s)

2240 additional rendering cores

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Lower TDP (140W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Ti 12 GB +439%

10.69 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

GeForce GTX 1080 Ti 12 GB

VS

GeForce GTX 660 Rev. 2

Graphics Card

Unknown

Release Date

Sep 2014

GeForce 10

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1557 MHz

Base Clock

980 MHz

1670 MHz

Boost Clock

1032 MHz

1376 MHz

Memory Clock

1502 MHz

Memory

12GB

Memory Size

2GB

GDDR5X

Memory Type

GDDR5

384bit

Memory Bus

192bit

528.4GB/s

Bandwidth

144.2GB/s

Render Config

25

SM Count

-

Compute Units

-

3200

Shading Units

960

200

TMUs

80

ROPs

24

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per SMX)

0 MB

L2 Cache

384 KB

Theoretical Performance

133.6 GPixel/s

Pixel Rate

20.64 GPixel/s

334.0 GTexel/s

Texture Rate

82.56 GTexel/s

167.0 GFLOPS

FP16 (half)

-

10.69 TFLOPS

FP32 (float)

1.981 TFLOPS

334.0 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

GP102

GPU Name

GK104

-

GPU Variant

-

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

140W

600 W

Suggested PSU

300 W

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

1x 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

6.7

Shader Model

5.1

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