If you own a modern GPU (GTX 16-series or newer / RX 5000 or newer), skip the 3DMark 11 key and buy modern 3DMark. However, if you have a Core 2 Duo, Phenom II, GTX 600 series, or any Windows 7 system, the 3DMark 11 Basic Edition upgrade key is the smarter, lighter, cheaper choice.
: Unlock "Entry" and "Extreme" presets to test hardware beyond the standard "Performance" (720p) level. How to Activate Your Upgrade Key Comparison: 3DMark 11 Performance - Result