Intel Core 2 Quad Q9400: specs and benchmarks

Summary
Intel started Intel Core 2 Quad Q9400 sales on August 2008. This is Yorkfield architecture desktop processor primarily aimed at office systems. It has 4 cores and 4 threads, and is based on 45 nm manufacturing technology, with a maximum frequency of 2666 MHz and a locked multiplier.
Compatibility-wise, this is LGA775 processor with a TDP of 95 Watt and a maximum temperature of 71 °C. It supports DDR1, DDR2, DDR3 memory.
It provides poor benchmark performance at 2.33 percent of a leader's which is AMD Ryzen Threadripper PRO 3995WX.
General info
Of Core 2 Quad Q9400 processor market type (desktop or notebook), architecture and sales start time and price.
Technical specs
Core 2 Quad Q9400's quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Core 2 Quad Q9400's performance, but to be more precise you have to review its test results.
Compatibility
Information on Core 2 Quad Q9400 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q9400. You'll probably need this information if you require some particular technology.
Security technologies
Core 2 Quad Q9400 technologies aimed at raising security, for example, by protecting against hacks.
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad Q9400 are enumerated here.
Memory specs
Types, maximum amount and channel number of RAM supported by Core 2 Quad Q9400.
Benchmark performance
Non-gaming benchmarks performance of Core 2 Quad Q9400. Overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
Passmark
3DMark Fire Strike Physics
Game benchmarks
Let's see how good Core 2 Quad Q9400 is for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.
Relative perfomance
Overall Core 2 Quad Q9400 performance compared to nearest competitors among desktop CPUs.
AMD equivalent
We believe that the nearest equivalent to Core 2 Quad Q9400 from AMD is Athlon II X4 630, which is nearly equal in speed and higher by 3 positions in our rating.