NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 470 X2

VS

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce GTX 470 X2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 1024MB VRAM GeForce GTX 470 X2 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

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 107.1GB/s)

608 additional rendering cores

Lower TDP (140W vs 215W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +131%

1.981 TFLOPS

GeForce GTX 470 X2

0.855 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce GTX 470 X2

Graphics Card

Sep 2014

Release Date

Unknown

GeForce 600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

837 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

107.1GB/s

Render Config

-

SM Count

11

960

Shading Units

352

80

TMUs

44

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

13.38 GPixel/s

82.56 GTexel/s

Texture Rate

26.75 GTexel/s

-

1.981 TFLOPS

FP32 (float)

855.4 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

215W

300 W

Suggested PSU

550 W

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

Outputs

3x DVI

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GK104

GPU Name

GF100

-

GPU Variant

GF100-030-A3

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

3.1 billion

294 mm²

Die Size

529 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.0

5.1

Shader Model

5.1

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