NVIDIA GeForce GTX 760 Ti OEM vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce GTX 760 Ti OEM

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 760 Ti OEM and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 760 Ti OEM 's Advantages

Released 1 years and 5 months late

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (192.3GB/s vs 91.87GB/s)

1056 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 170W)

Score

Benchmark

FP32 (float)

GeForce GTX 760 Ti OEM +194%

2.634 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

GeForce GTX 760 Ti OEM

VS

GeForce GT 645 OEM

Graphics Card

Sep 2013

Release Date

Apr 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

957 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

192.3GB/s

Bandwidth

91.87GB/s

Render Config

-

SM Count

6

1344

Shading Units

288

112

TMUs

48

32

ROPs

24

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

9.312 GPixel/s

109.8 GTexel/s

Texture Rate

37.25 GTexel/s

-

2.634 TFLOPS

FP32 (float)

894.0 GFLOPS

109.8 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

170W

TDP

102W

450 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

-

Graphics Processor

GK104

GPU Name

GF114

-

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

1.95 billion

294 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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