NVIDIA GeForce GTX 560 Ti 448 vs NVIDIA GeForce GTX 645 OEM

VS

NVIDIA GeForce GTX 560 Ti 448 NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 1280MB VRAM GeForce GTX 560 Ti 448 and 1024MB VRAM GeForce GTX 645 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

More VRAM (1280GB vs 1024GB)

Larger VRAM bandwidth (152.0GB/s vs 64.00GB/s)

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 1 years and 5 months late

128 additional rendering cores

Lower TDP (65W vs 210W)

Score

Benchmark

FP32 (float)

GeForce GTX 560 Ti 448 +38%

1.312 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

GeForce GTX 560 Ti 448

VS

GeForce GTX 645 OEM

Graphics Card

Nov 2011

Release Date

Apr 2013

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

950 MHz

Memory Clock

1000 MHz

Memory

1280MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

128bit

152.0GB/s

Bandwidth

64.00GB/s

Render Config

14

SM Count

-

Compute Units

-

448

Shading Units

576

56

TMUs

48

40

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

640 KB

L2 Cache

256 KB

Theoretical Performance

20.50 GPixel/s

Pixel Rate

9.888 GPixel/s

40.99 GTexel/s

Texture Rate

39.55 GTexel/s

-

FP16 (half)

-

1312 GFLOPS

FP32 (float)

949.2 GFLOPS

164.0 GFLOPS

FP64 (double)

39.55 GFLOPS

Graphics Processor

GF110

GPU Name

GK106

GF110-270-A1

GPU Variant

GK106-200-A1

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3 billion

Transistors

2.54 billion

520 mm²

Die Size

221 mm²

Board Design

210W

TDP

65W

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 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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