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GT650M 2GB GDDR3 vs HD7670 1GB

post #1 of 3
Thread Starter 
Hello, which one is better. I know the GDDR5 version of the GT650M is better but I can't find any benchmarks of equal systems that have the GDDR3 version of the GT650M and the HD7670. I am currently choosing between 2 similarily priced notebooks. They both have a i7 3610QM. The only reason for choosing the HD7670 over the GT650M is because that laptop is in a local store, I have to order the GT650M and that one might be sold out soon. The notebook is ment for college and heavy gaming, games like Arma 2. And both notebooks have a 15,6 inch screen with only a resolution of 1366x786, so I probaly won't play on higher resolutions than that most of the times.
post #2 of 3
The HD7670M is available in both GDDR3 and GDDR5 versions as well, so I'm not sure which card you are comparing to.

If you are comparing a GDDR3 version of a 650M vs a GDDR5 version of a 7670M, then I would expect them to trade blows, as the 650M would choke on the GDDR3 bus pretty often, more or less nullifying the advantages of having twice the ROPs. I would still opt for the 650M personally. Assuming that the 7670M is also GDDR3, then the 650M is the better choice by a larger margin.

I would keep eyes peeled and see if there isn't a laptop out there with less CPU and more GPU for around the same price. A 7750M would, IMO, be the "sweet spot" that you should be eyeing. I think I saw an i5 HP envy somewhere with the 7750M for like $900. Not sure your budget but I'm guessing it's around there?

Regards,
Eric
     
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CPUMotherboardGraphicsRAM
FX-8350 990X EVO R2.0 Sparkle GTX460 768MB ballistix tactical 2 x 8GB 
Hard DriveHard DriveOptical DriveCooling
Toshiiba THNSNH 256GB Enterprise RE3 1TB Asus BD combo drive Artic A30 
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Manjaro Linux Samsung 21.5" LCD E2009WFP E2009WFP 
PowerCase
Seasonic G 550W Modular Fractal Design Core 3500 
CPUMotherboardGraphicsRAM
FX-6300, 4.7 GHZ@1.43V GA-970A-UD3P GTX 460 768MB Mixed DIMMs. 2x4GB + 2x8GB @ 1600-8-8-8 
Hard DriveHard DriveHard DriveHard Drive
Toshiba THNSNH 19nm 256GB 1TB Spinpoint F3 WD RE3 1TB WD RE3 1TB 
Optical DriveCoolingOSOS
yes CM Seidon 120V SolydK OpenSuse 13.1 
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Linux Mint 9-32 bit // Linux Mint 17-64 bit  Manjaro Xfce Samsung 21.5" HannsG 21.5" sideways! 
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Sticky ATNG Rosewill Green 630W NZXT Gamma Basic Microsoft corded 
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Seagate ST1000DM003 Asus BC-12B1ST/BLK/B/AS Zalman CNPS5X Linux Mint 15 
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post #3 of 3
GT 650M is based on the 28nm Kepler GK108 chip. this chip mostly comes with GDDR5. its performance is better than HD 7670M (GDDR3) or HD 7690M (GDDR5) cards. the competitor for GT 650M card is HD 7770M or HD 7850M based on the 28nm Cape Verde chip.

http://www.notebookcheck.net/NVIDIA-GeForce-GT-650M.71887.0.html

http://www.notebookcheck.net/AMD-Radeon-HD-7770M.73855.0.html
http://www.notebookcheck.net/AMD-Radeon-HD-7850M.74148.0.html

the HP dv6t 7000 laptop can be configured with a core i7 3612QM (2.1 Ghz) and GT 650 M 2G GDDR5 for 1000 bucks.

http://www.shopping.hp.com/en_US/home-office/-/products/Laptops/HP-Pavilion/C0L24AV;pgid=c7twGfjc0ptSRpIq7ZUcoGXQ0000GYqpz1lE;sid=ay1V8VarpxXL8Ab-0HLzeY6kYfbYWmK3rngEH8q3YfbYWt3QswY38ITQ?HP-Pavilion-dv6t-7000-Entertainment-Notebook-PC
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