NVIDIA GeForce GT 520 PCIe x1 vs NVIDIA GeForce GTX 660 Rev. 2

VS

NVIDIA GeForce GT 520 PCIe x1

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 PCIe x1 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 GT 520 PCIe x1 's Advantages

Lower TDP (29W vs 140W)

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 3 years and 5 months late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 14.40GB/s)

912 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 520 PCIe x1

0.156 TFLOPS

GeForce GTX 660 Rev. 2 +1169%

1.981 TFLOPS

GeForce GT 520 PCIe x1

VS

GeForce GTX 660 Rev. 2

Graphics Card

Apr 2011

Release Date

Sep 2014

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x1

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

900 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

144.2GB/s

Render Config

-

1

SM Count

-

48

Shading Units

960

8

TMUs

80

4

ROPs

24

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

384 KB

-

Theoretical Performance

1.620 GPixel/s

Pixel Rate

20.64 GPixel/s

6.480 GTexel/s

Texture Rate

82.56 GTexel/s

-

155.5 GFLOPS

FP32 (float)

1.981 TFLOPS

12.96 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

29W

TDP

140W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

GF119

GPU Name

GK104

-

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

3.54 billion

79 mm²

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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