GPUBoss Review Our evaluation of 850M vs 750M among Laptop GPUs over 35W TDP

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Sky Diver Factor and Fire Strike Factor

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 31 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 31 more

Noise and Power

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

6.9

Overall Score

Winner
Nvidia GeForce GTX 850M 

GPUBoss recommends the Nvidia GeForce GTX 850M  based on its gaming and compute performance.

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VS

Differences What are the advantages of each

Front view of GeForce GTX 850M

Reasons to consider the
Nvidia GeForce GTX 850M

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Much higher dead space 3 framerate 57.85 fps vs 39.5 fps More than 45% higher dead space 3 framerate
Significantly better 3DMark 11 graphics score 16,135 vs 2,543 More than 6.2x better 3DMark 11 graphics score
Better 3DMark vantage graphics score 14,358.5 vs 8,200 More than 75% better 3DMark vantage graphics score
Slightly better floating-point performance 1,154.6 GFLOPS vs 722.7 GFLOPS Around 60% better floating-point performance
Better bitcoin mining score 153.1 mHash/s vs 27.59 mHash/s More than 5.5x better bitcoin mining score
Higher pixel rate 14.43 GPixel/s vs 7.53 GPixel/s More than 90% higher pixel rate
Better sky diver factor score 225.07 vs 147.38 Around 55% better sky diver factor score
More shading units 640 vs 384 256 more shading units
Higher BioShock infinite framerate 28.4 fps vs 16.3 fps Around 75% higher BioShock infinite framerate
Higher thief framerate 18.4 vs 10.5 More than 75% higher thief framerate
Slightly better PassMark direct compute score 1,215 vs 733 More than 65% better PassMark direct compute score
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 4,385.5 More than 3x 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 32 GB/s 2x higher memory bandwidth
Higher diablo III framerate 66.6 fps vs 61 fps Around 10% higher diablo III framerate

Benchmarks Real world tests of GeForce GTX 850M vs GT 750M

Bitcoin mining Data courtesy CompuBench

GeForce GTX 850M
153.1 mHash/s
GeForce GT 750M
27.59 mHash/s

Face detection Data courtesy CompuBench

GeForce GTX 850M
38.06 mPixels/s
GeForce GT 750M
11.78 mPixels/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Manhattan (GFXBench 3.0) Data courtesy CompuBench

GeForce GTX 850M
3,715.98
GeForce GT 750M
3,715.52

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Battlefield 4

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Comments

Showing 7 comments.
Because cpus don't need much bandwidth like a GPU, you are confusing speed and bandwidth : DDR5 lots of bandwidth but relatively low speed (response time) DDR3 less bandwidth but higher speed (response time) So the DDR5 would be ideal for a GPU but not so much for a CPU.
Its not a downgrade, first of all the Maxwell is more efficient with the GTX 850M's memory therefor it can actually beat some GPU's with GDDR5 memory. I have seen people who tested the GTX 850M DDR3 version and compared to the GT 750M DDR3 version and it crushed the 750M, some testes doubled the 750, This comparison isn't right on this page, why are they comparing the 850 with DDR3 when there is a GDDR5 version to the 750 with GDDR5 when it has a DDR3 version. I had almost identical ASUS PC's recently, one (N550JV) had the GT 750M GDDR3, My current one has (N550JK) GTX 850M DDR3. My new one is much better in scores. With the Maxwell architecture being touted like it is by many of have tested it, the GTX 860M is probably the best bet for gaming and price (since the 870 and 880 cost more and are Kepler I think). Many have said that the GTX 850M is showing a little better than the GTX 765M GDDR5 and this is partly due to the Maxwell architecture. The GTX 850M overclocked I read was getting close to the 860M stock, but no matter what if you have the DDR3 versions of the GT 750M or GTX 850M you do have a slight bottleneck, just the 850M can handle that better thanks to Maxwell. I do not get why ASUS would even bother using the DDR3 version of the 750 or 850 either one. I read it does not cost but like $20 or so for the difference of 2GB GDDR5 VS 2GB DDR3. For FHD and UHD screens they need to start using GDDR5 on all cards. But if you are a serious gamer but dont want to spend the cash on 2x GTX 880M SLI, then I would look for the GTX 860M (which is only GDDR5) or maybe the GTX 850M (GDDR5 version, which seems to be used less as of now, harder to find). I am not a big gamer, I just hope my GTX 850M 2GB DDR3 can handle GTA V on decent (maybe not max) settings whenever it comes out. Might put better thermal paste on the CPU and GPU then overclock it a little if I need to as some have done. Just have to wait till warranty out or get sticker off heatsink screw carefully.
Lots of Notebook GPU's are DDR3, This does not necessarily mean they stink, You are forgetting Bus width and clock speed, Take for example the GTX 260 VS the GTX 650 Ti , The GTX 260 has DDR3 ram and the GTX 650 Ti has GDDR5 ram. But the GTX 260 has a faster memory speed. The GTX 260 has a memory bandwidth speed of 111.9 GB/s Because of the 448 bit bus vs the 128 bit bus on the 650 Ti only giving it 86.4 GB/s. However it would make more sense to use GDDR5 since it can reach much higher speeds using much less power, And running much cooler saving you lap from sweating worse. OK you are right It is very stupid for any GPU maker to use DDR3 since GDDR5 has been out for over 5 years. Especially stupid for designing a GPU for a laptop with DDR3 instead of GDDR5. And it would have to be more expensive to produce a DDR3 notebook GPU over a GDDR5 one. You would have to make a wider bus just to get a decent speed. I mean it is just senseless! I also cn't understand why we can still only get DDR3 ram and not DDR5. If they have it in GPU's then why not have it in a set G.Skill Ripjaws.
It uses DDR3 on this comparison which has nothing on GDDR5. Check a comparison where they both use GDDR5.
I looked up some benchmark comparison in gaming, and the GTX850m performs significantly better. Paradox if you ask me
its because of the new maxwell architecture.
Why does GTX850M look like a downgrade from GT 750M ???
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