NVIDIA GeForce GT 720 vs NVIDIA GeForce GTX 645 OEM

VS

NVIDIA GeForce GT 720

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 720 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 GT 720 's Advantages

Released 1 years and 5 months late

Lower TDP (19W vs 65W)

NVIDIA GeForce GTX 645 OEM 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 720

0.306 TFLOPS

GeForce GTX 645 OEM +210%

0.949 TFLOPS

GeForce GT 720

VS

GeForce GTX 645 OEM

Graphics Card

Sep 2014

Release Date

Apr 2013

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

64.00GB/s

Render Config

-

192

Shading Units

576

16

TMUs

48

8

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

3.188 GPixel/s

Pixel Rate

9.888 GPixel/s

12.75 GTexel/s

Texture Rate

39.55 GTexel/s

-

306.0 GFLOPS

FP32 (float)

949.2 GFLOPS

12.75 GFLOPS

FP64 (double)

39.55 GFLOPS

Board Design

19W

TDP

65W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

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

None

Power Connectors

None

Graphics Processor

GK208B

GPU Name

GK106

-

GPU Variant

GK106-200-A1

Kepler 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

2.54 billion

87 mm²

Die Size

221 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.0

5.1

Shader Model

5.1

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