Core 2 Extreme QX9775: specs and benchmarks
Summary
Intel started Core 2 Extreme QX9775 sales on March 2008. Based on an Yorkfield architecture, this desktop processor is primarily aimed at home systems. It has 4 cores and 4 threads, and is based on 45 nm manufacturing technology, with a max turbo frequency of 3200 MHz and an unlocked multiplier.
Compatibility-wise, this is LGA771 processor with a TDP of 150 Watt and a maximum temperature of 63 °C. It supports DDR2 memory.
Primary details
Core 2 Extreme QX9775 processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Market segment | Desktop processor | |
| Architecture codename | Yorkfield (2007−2009) | |
| Release date | March 2008 (16 years ago) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 4 (Quad-Core) | |
| Threads | 4 | |
| Base clock speed | 3.2 GHz | of 4.7 GHz (FX-9590) |
| Boost clock speed | 3.2 GHz | of 6.2 GHz (Core i9-14900KS) |
| Bus rate | 1600 MHz | |
| L1 cache | 64K (per core) | of 80 KB (EPYC 9965) |
| L2 cache | 12 MB (shared) | of 2 MB (Xeon 6980P) |
| L3 cache | 0 KB | of 1152 MB (EPYC 9684X) |
| Chip lithography | 45 nm | of 3 nm (Apple M3 Max 16-Core) |
| Die size | 2x 107 mm2 | |
| Maximum case temperature (TCase) | 63 °C | of 105 °C (Core i7-5950HQ) |
| Number of transistors | 820 million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + | |
| Windows 11 compatibility | - | |
| Unlocked multiplier | + | |
| VID voltage range | 0.85V-1.35V |
Compatibility
Information on Core 2 Extreme QX9775 compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | of 8 (Opteron 842) |
| Socket | LGA771 | |
| Power consumption (TDP) | 150 Watt | of 500 Watt (Xeon 6960P) |
Technologies and extensions
Technological capabilities and additional instructions supported by Core 2 Extreme QX9775. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | |
| Turbo Boost Technology | - | |
| Hyper-Threading Technology | - | |
| Idle States | + | |
| Thermal Monitoring | + | |
| Demand Based Switching | - | |
| FSB parity | - |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | |
| EDB | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| VT-x | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Core 2 Extreme QX9775's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR2 |
Benchmark performance
Single-core and multi-core benchmark results of Core 2 Extreme QX9775. Overall benchmark performance is measured in points in 0-100 range, higher is better.
We have no data on Core 2 Extreme QX9775 benchmark results.
Send your test results of Core 2 Extreme QX9775.
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Recommended GPUs
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These are the fastest graphics cards for Core 2 Extreme QX9775 in our user configuration statistics. There is a total of 46 configurations using Core 2 Extreme QX9775 in our database.
