Sony Vaio Pcg-31311m Specs | Best Pick |

| Specification | Detail | |---------------|--------| | Screen Size | 15.4 inches | | Resolution | 1280 x 800 (WXGA) | | Technology | TFT LCD (glossy or matte depending on variant) | | Aspect Ratio | 16:10 |

The Sony Vaio PCG-31311M was an excellent secondary machine. With 2 GB of RAM and the Z530 CPU, it could comfortably run Windows 7 (lightly). Tasks that worked well:

| Model | CPU | RAM | Screen Resolution | Key Difference | | :--- | :--- | :--- | :--- | :--- | | PCG-31311M | Atom Z530 | 2 GB (soldered) | 1600x768 | Base model with no WWAN | | VGN-P530H | Atom Z520 | 1 GB | 1600x768 | Slower CPU, less RAM | | VGN-P588E | Atom Z550 | 2 GB | 1600x768 | Faster 2.0 GHz CPU | | VPCP11Z9E | Atom Z560 | 2 GB | 1600x768 | Later "Pocket" style, GPS | Sony Vaio Pcg-31311m Specs

The PCG-31311M is squarely in the middle – not the slowest nor the fastest, but the most common configuration for general office/student use.

| Specification | Detail | |---------------|--------| | Standard RAM | 1 GB or 2 GB DDR2 SDRAM | | Maximum Supported | 4 GB (though 32-bit OS limits usable RAM to ~3.2 GB) | | Speed | PC2-5300 (667 MHz) | | Slots | 2 x SO-DIMM slots | running Word while playing an MP3).

| Specification | Detail | |---------------|--------| | Processor Model | Intel Pentium Dual-Core (e.g., T2370, T2390, or T3200 – exact variant depends on sub-configuration) | | Clock Speed | 1.73 GHz to 2.0 GHz | | Front Side Bus | 533 MHz or 667 MHz | | Cache | 1 MB L2 cache |

If you own (or find) a Sony Vaio PCG-31311M, these upgrades are worthwhile: Sony Vaio Pcg-31311m Specs

The Atom Z530 was Intel’s mid-to-high range option for netbooks and MIDs (Mobile Internet Devices). The Hyper-Threading technology allowed the single physical core to act like two logical processors, which helped with multitasking of light applications (e.g., running Word while playing an MP3).