GPUBoss Review Our evaluation of 745M vs 820M 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

5.9

Overall Score

Winner
Nvidia GeForce GT 745M 

GPUBoss recommends the Nvidia GeForce GT 745M  based on its gaming, benchmarks and compute performance.

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VS

Differences What are the advantages of each

Front view of GeForce GT 745M

Reasons to consider the
Nvidia GeForce GT 745M

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Better 3DMark 11 graphics score 13,462.5 vs 7,518 Around 80% better 3DMark 11 graphics score
Higher effective memory clock speed 4,000 MHz vs 1,800 MHz Around 2.2x higher effective memory clock speed
Better PassMark score 952 vs 600 Around 60% better PassMark score
Much higher dead space 3 framerate 36.7 fps vs 21.7 fps Around 70% higher dead space 3 framerate
Much higher dirt3 framerate 25.4 vs 13.7 More than 85% higher dirt3 framerate
Better 3DMark vantage graphics score 7,615 vs 4,254 Around 80% better 3DMark vantage graphics score
Higher memory bandwidth 64 GB/s vs 14.4 GB/s Around 4.5x higher memory bandwidth
More memory 2,048 MB vs 1,024 MB 2x more memory
Better 3DMark06 score 2,249 vs 1,266.5 Around 80% better 3DMark06 score
Much higher diablo III framerate 58.94 fps vs 33.9 fps Around 75% higher diablo III framerate
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 shading units 384 vs 96 288 more shading units
More texture mapping units 32 vs 16 Twice as many texture mapping units
Better PassMark direct compute score 981 vs 550 Around 80% better PassMark direct compute score
Better sky diver factor score 123.61 vs 66.09 More than 85% better sky diver factor score
Higher memory clock speed 1,000 MHz vs 900 MHz More than 10% higher memory clock speed
Slightly higher BioShock infinite framerate 12.57 fps vs 8.1 fps More than 55% higher BioShock infinite framerate
Front view of GeForce 820M

Reasons to consider the
Nvidia GeForce 820M

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Higher clock speed 625 MHz vs 549 MHz Around 15% higher clock speed
Lower TDP 15W vs 45W 3x lower TDP

Benchmarks Real world tests of GeForce GT 745M vs 820M

Bitcoin mining Data courtesy CompuBench

GeForce GT 745M
19.32 mHash/s
GeForce 820M
23.26 mHash/s

Face detection Data courtesy CompuBench

GeForce GT 745M
10.71 mPixels/s
GeForce 820M
7.69 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 745M
3,362.98
GeForce 820M
3,352.98

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GT 745M
3,719.58
GeForce 820M
3,533.46

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Bioshock Infinite

Dirt3

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