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Differences What are the advantages of each

Front view of GeForce GTS 240

Reasons to consider the
Nvidia GeForce GTS 240

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Higher memory bandwidth 70.4 GB/s vs 14.4 GB/s Around 5x higher memory bandwidth
Higher texture rate 37.8 GTexel/s vs 6.48 GTexel/s More than 5.8x higher texture rate
Higher pixel rate 10.8 GPixel/s vs 1.62 GPixel/s Around 6.8x higher pixel rate
More texture mapping units 56 vs 8 48 more texture mapping units
More render output processors 16 vs 4 12 more render output processors
Higher memory clock speed 1,100 MHz vs 898 MHz More than 20% higher memory clock speed
Slightly wider memory bus 256 bit vs 64 bit 4x wider memory bus
Front view of GeForce GT 620

Reasons to consider the
Nvidia GeForce GT 620

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Higher clock speed 810 MHz vs 675 MHz 20% higher clock speed
Lower TDP 30W vs 120W 4x lower TDP

Benchmarks Real world tests of GeForce GTS 240 vs GT 620

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the GeForce GTS 240  vs GT 620 

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

GeForce GTS 240
70.4 GB/s
GeForce GT 620
14.4 GB/s

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

GeForce GTS 240
10.8 GPixel/s
GeForce GT 620
1.62 GPixel/s

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

GeForce GTS 240
37.8 GTexel/s
GeForce GT 620
6.48 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTS 240
362.9 GFLOPS
GeForce GT 620
155.5 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


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