NVIDIA GeForce GTX 560 SE vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce GTX 560 SE

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 560 SE 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 GTX 560 SE 's Advantages

Larger VRAM bandwidth (91.87GB/s vs 28.51GB/s)

NVIDIA GeForce GT 640 OEM 's Advantages

More VRAM (2GB vs 1024GB)

96 additional rendering cores

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 560 SE +38%

0.848 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

GeForce GTX 560 SE

VS

GeForce GT 640 OEM

Graphics Card

Feb 2012

Release Date

Apr 2012

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

957 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

91.87GB/s

Bandwidth

28.51GB/s

Render Config

-

6

SM Count

-

288

Shading Units

384

48

TMUs

32

24

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

8.832 GPixel/s

Pixel Rate

6.376 GPixel/s

35.33 GTexel/s

Texture Rate

25.50 GTexel/s

-

847.9 GFLOPS

FP32 (float)

612.1 GFLOPS

70.66 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

150W

TDP

50W

450 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

GF114

GPU Name

GK107

GF114-200-KB-A1

GPU Variant

GK107-320-A2

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

1.27 billion

332 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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