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Differences What are the advantages of each

Front view of GeForce 940M

Reasons to consider the
Nvidia GeForce 940M

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Slightly better floating-point performance 823.3 GFLOPS vs 554 GFLOPS Around 50% better floating-point performance
Slightly higher texture rate 25.73 GTexel/s vs 17.31 GTexel/s Around 50% higher texture rate
Slightly more shading units 384 vs 256 128 more shading units
Slightly more texture mapping units 24 vs 16 8 more texture mapping units
Slightly higher turbo clock speed 1,176 MHz vs 1,150 MHz Almost the same
Front view of GeForce 830A

Reasons to consider the
Nvidia GeForce 830A

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GPUBoss is not aware of any important advantages of the 830A vs the 940M Retail.

Benchmarks Real world tests of GeForce 940M vs 830A

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the GeForce 940M  vs 830A 

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

GeForce 940M
14.4 GB/s
GeForce 830A
14.4 GB/s

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

GeForce 940M
8.58 GPixel/s
GeForce 830A
8.66 GPixel/s

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

GeForce 940M
25.73 GTexel/s
GeForce 830A
17.31 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce 940M
823.3 GFLOPS
GeForce 830A
554 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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