NVIDIA GeForce GTX 560 Ti 448 vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce GTX 560 Ti 448

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 1280MB VRAM GeForce GTX 560 Ti 448 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 Ti 448 's Advantages

Larger VRAM bandwidth (152.0GB/s vs 28.51GB/s)

64 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

More VRAM (2GB vs 1280GB)

Lower TDP (50W vs 210W)

Score

Benchmark

FP32 (float)

GeForce GTX 560 Ti 448 +114%

1.312 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

GeForce GTX 560 Ti 448

VS

GeForce GT 640 OEM

Graphics Card

Nov 2011

Release Date

Apr 2012

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

950 MHz

Memory Clock

891 MHz

Memory

1280MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

320bit

Memory Bus

128bit

152.0GB/s

Bandwidth

28.51GB/s

Render Config

-

14

SM Count

-

448

Shading Units

384

56

TMUs

32

40

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

640 KB

L2 Cache

256 KB

-

Theoretical Performance

20.50 GPixel/s

Pixel Rate

6.376 GPixel/s

40.99 GTexel/s

Texture Rate

25.50 GTexel/s

-

1312 GFLOPS

FP32 (float)

612.1 GFLOPS

164.0 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

210W

TDP

50W

550 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

GF110

GPU Name

GK107

GF110-270-A1

GPU Variant

GK107-320-A2

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3 billion

Transistors

1.27 billion

520 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

2.0

CUDA

3.0

5.1

Shader Model

5.1

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