NVIDIA GeForce GT 520 PCIe x1 vs NVIDIA GeForce GT 640 Rev. 2

VS

NVIDIA GeForce GT 520 PCIe x1

NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 PCIe x1 and 1024MB VRAM GeForce GT 640 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 49W)

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 2 years and 1 months late

Larger VRAM bandwidth (40.06GB/s vs 14.40GB/s)

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 520 PCIe x1

0.156 TFLOPS

GeForce GT 640 Rev. 2 +414%

0.803 TFLOPS

GeForce GT 520 PCIe x1

VS

GeForce GT 640 Rev. 2

Graphics Card

Apr 2011

Release Date

May 2013

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x1

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

900 MHz

Memory Clock

1252 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

40.06GB/s

Render Config

-

1

SM Count

-

48

Shading Units

384

8

TMUs

32

4

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

1.620 GPixel/s

Pixel Rate

8.368 GPixel/s

6.480 GTexel/s

Texture Rate

33.47 GTexel/s

-

155.5 GFLOPS

FP32 (float)

803.3 GFLOPS

12.96 GFLOPS

FP64 (double)

33.47 GFLOPS

Board Design

29W

TDP

49W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

GF119

GPU Name

GK208

-

GPU Variant

GK208-400-A1

Fermi 2.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

1.02 billion

79 mm²

Die Size

87 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

3.5

5.1

Shader Model

5.1

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