NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GT 520 PCIe x1

VS

NVIDIA GeForce GTX 660 OEM

NVIDIA GeForce GT 520 PCIe x1

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 1024MB VRAM GeForce GT 520 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 1 years and 4 months late

Boost Clock888MHz

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 14.40GB/s)

1104 additional rendering cores

NVIDIA GeForce GT 520 PCIe x1 's Advantages

Lower TDP (29W vs 130W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM +1211%

2.046 TFLOPS

GeForce GT 520 PCIe x1

0.156 TFLOPS

GeForce GTX 660 OEM

VS

GeForce GT 520 PCIe x1

Graphics Card

Aug 2012

Release Date

Apr 2011

GeForce 600

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

900 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

134.4GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

1

1152

Shading Units

48

96

TMUs

8

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

1.620 GPixel/s

85.25 GTexel/s

Texture Rate

6.480 GTexel/s

-

2.046 TFLOPS

FP32 (float)

155.5 GFLOPS

85.25 GFLOPS

FP64 (double)

12.96 GFLOPS

Board Design

130W

TDP

29W

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

GF119

GK104-200-KD-A2

GPU Variant

-

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.292 billion

294 mm²

Die Size

79 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

2.1

5.1

Shader Model

5.1

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