GPUBoss Review Our evaluation of 740 vs 840A among all GPUs

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

6.5

Overall Score

Winner
Nvidia GeForce GT 740 

GPUBoss recommends the Nvidia GeForce GT 740  based on its benchmarks.

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VS

Differences What are the advantages of each

Front view of GeForce GT 740

Reasons to consider the
Nvidia GeForce GT 740

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Significantly higher effective memory clock speed 5,012 MHz vs 2,002 MHz More than 2.5x higher effective memory clock speed
Higher memory bandwidth 80.2 GB/s vs 16.02 GB/s More than 5x higher memory bandwidth
More render output processors 16 vs 8 Twice as many render output processors
Higher memory clock speed 1,253 MHz vs 1,001 MHz More than 25% higher memory clock speed
Front view of GeForce 840A

Reasons to consider the
Nvidia GeForce 840A

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Lower TDP 33W vs 64W Around 50% lower TDP

Benchmarks Real world tests of GeForce GT 740 vs 840A

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the GeForce GT 740  vs 840A 

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

GeForce GT 740
80.2 GB/s
GeForce 840A
16.02 GB/s

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

GeForce GT 740
7.94 GPixel/s
GeForce 840A
8.23 GPixel/s

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

GeForce GT 740
31.8 GTexel/s
GeForce 840A
16.46 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 740
762.6 GFLOPS
GeForce 840A
790.3 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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