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HP ProBook 640 G1 Battery Power your system. It is the best choose to get HP ProBook 640 G1 standby battery for your laptop here, high quality li-ion cells, longer battery life, competitive price, 1 year warranty, 30 days money back and high quality of service. Lovebattery.net is your one-stop shop for laptop batteries.

With this ProBook 640 G3 operating pressure test (Prime95 and Furmark running for at least one hour), regardless of whether the power adapter is connected, the results are the same. Its CPU and GPU will run for a short period of time, and then the processor down to 1.2GHz, the video card is reduced to 300MHz. So the temperature of this computer is very mild. Throughout the test, it was never above 40 degrees celsius.

Motherboard provides only one memory slot , 4GB capacity , it can not be upgraded to dual -channel memory , which is more later on. In addition, the machine also retains an mSATA half-height drive bays , the largest available capacity of 64GB, dual hard drives can be installed , or the formation of SSD acceleration for faster system experience. Hard drive ,

ASUS ROG GL553V cheaper than similar rivals, in the configuration is relatively modest some, it integrates Nvidia GeForce 960M GTX graphics cards, belonging to the middle grade Nvidia mobile graphics. Nvidia GeForce 960M graphics card based on the desktop category GTX 750 Ti, including 640 stream processors, 2GB dedicated memory and 1176MHz average frequency.

In addition, TravelMate P259 has two GPU chips, which are integrated in the processor core P530 graphics card and Quadro M2000M professional independent graphics card. In the past, the Intel Xeon E3 processor is not integrated core card, in the mobile terminal Intel to retain the core card configuration. It is worth mentioning that, P259 uses the new NVIDIA released Quadro M2000M professional graphics card. The use of the latest NVIDIA Maxwell architecture design, with 640 CUDA units, 1098MHz core frequency, the highest frequency of 1137MHz, the highest frequency of 5000MHz memory, 128Bit memory interface, memory bandwidth of 80GB/S, the memory capacity of 4G GDDR5, TDP is only 55W.

Dell Inspiron 7746 equipped with NVIDIA geforce GTX 950M has 640 stream processors and 32 ROP units, 993MHz default core frequency support dynamic overclocking to 1124MHz, memory frequency 900MHz, memory bitwidth 128bit and 2GB DDR3 independent memory.

By comparison, we can see that GTX960m upgrade products gtx860m waistcoat in addition to frequency external, including the core step into all aspects of are exactly the same (GPU-z of GTX960m texture unit number recognition errors). Two cards are desktop GTX750ti lowering frequency transplantation version, with 640 stream processing units, unit of 32 grating and 40 texture units, 128bit gddr5 memory. J GTX960m reference frequency as the core 1097MHz, 1000MHz memory.

NVIDIA GeForce GTX 860M chips based on 28nm Maxwell GM107 is the GTX 760M 's successor , however , compared with the previous generation of its performance in more than 40% . Has 640 stream processors and 16 ROP units , 540MHz core frequency , and support for dynamic acceleration technology, 128bit memory interface and 80.2GB / s memory bandwidth .

In addition to the i5-4210U processor built in HD 4400 core graphics, Alienware 14 is also equipped with a piece of NVIDIA GTX 860M graphics card, GDDR5 memory with 2GB, using Maxxwell GM 107 core, have 640 CUDA unit.

NVIDIA GeForce GTX 850M 28nm Maxwell GM107 chip based on GT, is the successor to the 750M, but compared to the last generation of its performance in more than 40%. With 640 stream processors and 16 ROP unit, the 902MHz core frequency, and supports dynamic acceleration technology, 128bit memory interface, 4GB DDR3 memory.