NVIDIA GeForce GT 520 PCI vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce GT 520 PCI

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 PCI and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 520 PCI 's Advantages

Lower TDP (29W vs 50W)

NVIDIA GeForce GT 640 OEM 's Advantages

Released 1 years late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.51GB/s vs 14.40GB/s)

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 520 PCI

0.156 TFLOPS

GeForce GT 640 OEM +292%

0.612 TFLOPS

GeForce GT 520 PCI

VS

GeForce GT 640 OEM

Graphics Card

Apr 2011

Release Date

Apr 2012

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.51GB/s

Render Config

-

1

SM Count

-

48

Shading Units

384

8

TMUs

32

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

1.620 GPixel/s

Pixel Rate

6.376 GPixel/s

6.480 GTexel/s

Texture Rate

25.50 GTexel/s

-

155.5 GFLOPS

FP32 (float)

612.1 GFLOPS

12.96 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

29W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

None

Graphics Processor

GF119

GPU Name

GK107

GF119-300-A1

GPU Variant

GK107-320-A2

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

1.27 billion

79 mm²

Die Size

118 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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