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Differences What are the advantages of each

Front view of GeForce GT 730

Reasons to consider the
Nvidia GeForce GT 730

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Significantly higher clock speed 1,046 MHz vs 810 MHz Around 30% higher clock speed
Better floating-point performance 803.3 GFLOPS vs 311 GFLOPS More than 2.5x better floating-point performance
Higher pixel rate 8.37 GPixel/s vs 3.24 GPixel/s More than 2.5x higher pixel rate
More shading units 384 vs 96 288 more shading units
Slightly more render output processors 8 vs 4 Twice as many render output processors
Higher memory clock speed 900 MHz vs 800 MHz Around 15% higher memory clock speed
Front view of GeForce GT 630

Reasons to consider the
EVGA GeForce GT 630

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Wider memory bus 128 bit vs 64 bit 2x wider memory bus

Features Key features of the GeForce GT 730  vs 630 

memory bandwidth Rate at which data can be read from or stored in onboard memory

GeForce GT 730
28.8 GB/s
GeForce GT 630
51.2 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

GeForce GT 730
8.37 GPixel/s
GeForce GT 630
3.24 GPixel/s
We specially qualified components and pushed factory performance tuning limits by boosting the controller speed by 50 percent and NAND bus speed 20 percent.
GeForce GT 730 | by hassan-mujtaba (Feb, 2014)

texture rate Speed at which a graphics card can perform texture mapping

GeForce GT 730
16.7 GTexel/s
GeForce GT 630
13 GTexel/s
Intel has officially announced their latest high-performance SSD 730 Series solid state drives which are scheduled for launch on 18th March.
GeForce GT 730 | by hassan-mujtaba (Feb, 2014)

floating point performance How fast the gpu can crunch numbers

GeForce GT 730
803.3 GFLOPS
GeForce GT 630
311 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Specifications Full list of technical specs

gpu

GeForce GT 730  vs
630 
GPU brand Nvidia Nvidia
GPU name GK117 GF108
Market Desktop Desktop
Clock speed 1,046 MHz 810 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GT 630 810 MHz 1 GB

raw performance

Shading units 384 96
Texture mapping units 16 16
Render output processors 8 4
Pixel rate 8.37 GPixel/s 3.24 GPixel/s
Texture rate 16.7 GTexel/s 13 GTexel/s
Floating-point performance 803.3 GFLOPS 311 GFLOPS

memory

GeForce GT 730  vs
630 
Memory clock speed 900 MHz 800 MHz
Effective memory clock speed 3,600 MHz 3,200 MHz
Memory bus 64 bit 128 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR5 GDDR5
Memory bandwidth 28.8 GB/s 51.2 GB/s

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