NVIDIA GeForce GT 520 vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA GeForce GT 520

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 520 's Advantages

Lower TDP (29W vs 75W)

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Released 1 years late

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (38.40GB/s vs 14.40GB/s)

96 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 520

0.156 TFLOPS

GeForce GT 640 OEM Rebrand +166%

0.415 TFLOPS

GeForce GT 520

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Apr 2011

Release Date

Apr 2012

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1536MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

38.40GB/s

Render Config

-

1

SM Count

3

48

Shading Units

144

8

TMUs

24

4

ROPs

24

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

384 KB

-

Theoretical Performance

1.620 GPixel/s

Pixel Rate

4.320 GPixel/s

6.480 GTexel/s

Texture Rate

17.28 GTexel/s

-

155.5 GFLOPS

FP32 (float)

414.7 GFLOPS

12.96 GFLOPS

FP64 (double)

34.56 GFLOPS

Board Design

29W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Processor

GF119

GPU Name

GF116

GF119-300-A1

GPU Variant

GF116-150-A1

Fermi 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

1.17 billion

79 mm²

Die Size

238 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.1

5.1

Shader Model

5.1

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