GPUBoss Review Our evaluation of 750M vs 840M among Laptop 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

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of GeForce GT 750M

Reasons to consider the
Nvidia GeForce GT 750M

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Much better 3DMark06 score 13,670 vs 2,338 More than 5.8x better 3DMark06 score
Higher effective memory clock speed 4,000 MHz vs 2,002 MHz Around 2x higher effective memory clock speed
Higher memory bandwidth 64 GB/s vs 16.02 GB/s Around 4x higher memory bandwidth
More memory 2,048 MB vs 1,024 MB 2x more memory
Significantly higher diablo III framerate 66.6 fps vs 17.7 fps More than 3.8x higher diablo III framerate
Higher texture rate 30.11 GTexel/s vs 16.46 GTexel/s Around 85% higher texture rate
More render output processors 16 vs 8 Twice as many render output processors
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
More texture mapping units 32 vs 16 Twice as many texture mapping units
Higher dead space 3 framerate 39.5 fps vs 24.5 fps More than 60% higher dead space 3 framerate
Higher hitman: absolution framerate 14.3 vs 6.7 Around 2.2x higher hitman: absolution framerate
Front view of GeForce 840M

Reasons to consider the
Nvidia GeForce 840M

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Better 3DMark 11 graphics score 10,332 vs 2,543 More than 4x better 3DMark 11 graphics score
Higher clock speed 1,029 MHz vs 941 MHz Around 10% higher clock speed
Higher turbo clock speed 1,124 MHz vs 967 MHz More than 15% higher turbo clock speed
Better bitcoin mining score 91.23 mHash/s vs 13.89 mHash/s More than 6.5x better bitcoin mining score
Slightly lower TDP 33W vs 50W Around 35% lower TDP

Benchmarks Real world tests of GeForce GT 750M vs 840M

Bitcoin mining Data courtesy CompuBench

GeForce GT 750M
13.89 mHash/s
GeForce 840M
91.23 mHash/s

Face detection Data courtesy CompuBench

GeForce GT 750M
11.73 mPixels/s
GeForce 840M
22.26 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 750M
3,362.4
GeForce 840M
3,359.61

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 750M
3,715.52
GeForce 840M
3,718.04

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Thief

Battlefield 4

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Comments

Showing 5 comments.
lol true, obviously an incorrect score.
840m's 3dmark11's score is 10,165.5 lol. GTX 680 can barely touch the 10k barrier.
Correct. And GT 750M score is 2512
3DMark 11 Graphic score of Geforce 840m in notebookchek.net is not (10.204) its 2333.!!??
(3DMark 11 Graphics) score in notebookchek.net is not (10.204) its 2333.!!??
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