NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 560

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce GTX 560

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 1024MB VRAM GeForce GTX 560 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 1 years and 11 months late

240 additional rendering cores

Lower TDP (65W vs 150W)

NVIDIA GeForce GTX 560 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

GeForce GTX 560 +14%

1.089 TFLOPS

GeForce GTX 645 OEM

VS

GeForce GTX 560

Graphics Card

Apr 2013

Release Date

May 2011

GeForce 600

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

7

576

Shading Units

336

48

TMUs

56

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

11.34 GPixel/s

39.55 GTexel/s

Texture Rate

45.36 GTexel/s

-

949.2 GFLOPS

FP32 (float)

1089 GFLOPS

39.55 GFLOPS

FP64 (double)

90.72 GFLOPS

Board Design

65W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

2x 6-pin

Graphics Processor

GK106

GPU Name

GF114

GK106-200-A1

GPU Variant

GF114-325-A1

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

1.95 billion

221 mm²

Die Size

332 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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