NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 1070

VS

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce GTX 1070

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 8GB VRAM GeForce GTX 1070 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 150W)

NVIDIA GeForce GTX 1070 's Advantages

Released 1 years and 9 months late

Boost Clock has increased by 63% (1683MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.3GB/s vs 144.2GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

GeForce GTX 1070 +226%

6.463 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce GTX 1070

Graphics Card

Sep 2014

Release Date

Jun 2016

GeForce 600

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

1506 MHz

1032 MHz

Boost Clock

1683 MHz

1502 MHz

Memory Clock

2002 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

256.3GB/s

Render Config

-

SM Count

15

960

Shading Units

1920

80

TMUs

120

24

ROPs

64

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

384 KB

L2 Cache

2 MB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

107.7 GPixel/s

82.56 GTexel/s

Texture Rate

202.0 GTexel/s

-

FP16 (half)

101.0 GFLOPS

1.981 TFLOPS

FP32 (float)

6.463 TFLOPS

82.56 GFLOPS

FP64 (double)

202.0 GFLOPS

Board Design

140W

TDP

150W

300 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

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GK104

GPU Name

GP104

-

GPU Variant

GP104-200-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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