NVIDIA GeForce GT 730 vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce GT 730

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 730 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 GT 730 's Advantages

Released 2 years and 2 months late

Lower TDP (49W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Larger VRAM bandwidth (91.87GB/s vs 28.80GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 730

0.269 TFLOPS

GeForce GT 645 OEM +232%

0.894 TFLOPS

GeForce GT 730

VS

GeForce GT 645 OEM

Graphics Card

Jun 2014

Release Date

Apr 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

957 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

28.80GB/s

Bandwidth

91.87GB/s

Render Config

-

2

SM Count

6

96

Shading Units

288

16

TMUs

48

4

ROPs

24

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

9.312 GPixel/s

11.20 GTexel/s

Texture Rate

37.25 GTexel/s

-

268.8 GFLOPS

FP32 (float)

894.0 GFLOPS

22.40 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

49W

TDP

102W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

-

Graphics Processor

GF108

GPU Name

GF114

GF108-400-A1

GPU Variant

-

Fermi

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

1.95 billion

116 mm²

Die Size

332 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.1

5.1

Shader Model

5.1

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