GeForce GT 555M is one of the 3 variants of the fast-middle-class mobile GPU still based on the 2010 Fermi architecture.
It's based on the Fermi GF106 Core and offers 144 Shader Processing Units, 24 TMUs and 24 ROPs on a 128-bit memory interface of 1.5GB DDR3. The central clock runs at 590MHz and the memory clock operates at 900MHz. Expect a power consumption of up to 35 Watts.
Its performance is above the average and actually higher than the GDDR5 variant thanks to the higher SPUs, TMUs and ROPs count and because extra bandwidth does not benefit this GPU largely and so the GDDR5 is essentially bottlenecked by the GPU's processing power.
Therefore expect to run some modern demanding games at high settings with fluent frame rates (30+) using a 1080p resolution.
Source [Pip]
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