NVIDIA GeForce GT 640M with 2 GB of dedicated DDR3 VRAM, supporting NVIDIA CUDA, PhysX, PureVideo HD technology, OpenEXR High Dynamic-Range (HDR) technology, Shader Model 5.0, Microsoft DirectX 11, OpenGL 4.1, OpenCL 1.1 NVIDIA GeForce GT 650M with 2 GB of dedicated DDR3 VRAM, supporting NVIDIA CUDA, PhysX, PureVideo HD technology, Shader Model 5.0, OpenEXR High Dynamic-Range (HDR) technology, Microsoft DirectX 11, OpenGL 4.1, OpenCL 1.1 17.3" HD+ 1600 x 900 resolution, high-brightness (220-nit) Acer CineCrystal LED-backlit TFT LCD
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17.3" Full HD 1920 x1080 resolution, high-brightness (300-nit) Acer ComfyView LED-backlit TFT LCD Up to 4 GB of DDR3 system memory, upgradable to 8 GB using two soDIMM modules (for 64-bit OS) With dual-core CPU, supporting two DDR3 SDRAM soDIMM modules Up to 4 GB of DDR3 system memory, upgradable to 8 GB using four soDIMM modules (for 64-bit Windows 7 Home Basic only) Up to 4 GB of DDR3 system memory, upgradable to 16 GB using four soDIMM modules (for 64-bit OS) With quad-core CPU, supporting four DDR3 SDRAM soDIMM modules Intel Pentium processor B950/B970 (2 MB 元 cache, 2.10/2.30 GHz, DDR3 1333 MHz, 35 W), supporting Intel 64 architecture, Intel Smart Cache Intel Core i5-2450M/i5-3210M processor (3 MB 元 cache, 2.50 GHz with Turbo Boost up to 3.10 GHz, DDR3 1333/1600 MHz, 35 W), supporting Intel 64 architecture, Intel Smart Cache Intel Core i7-2670QM/i7-3610QM processor (6 MB 元 cache, 2.20/2.30 GHz with Turbo Boost up to 3.10/3.30 GHz, DDR3 1600 MHz, 45 W), supporting Intel 64 architecture, Intel Smart Cache