Xeon Phi 3120A vs Core 2 Extreme QX9650
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Yorkfield (2007−2009) | Knights Corner (2012−2014) |
| Release date | November 2007 (18 years ago) | 17 June 2013 (12 years ago) |
Detailed specifications
Core 2 Extreme QX9650 and Xeon Phi 3120A basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 57 (Heptapentaconta-Core) |
| Threads | 4 | 228 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 3 GHz | 1.1 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | 64K (per core) | 32 KB (per core) |
| L2 cache | 12 MB (shared) | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB (shared) |
| Chip lithography | 45 nm | 22 nm |
| Die size | 2x 107 mm2 | 350 mm2 |
| Maximum case temperature (TCase) | 64 °C | no data |
| Number of transistors | 820 million | 5,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Extreme QX9650 and Xeon Phi 3120A compatibility with other computer components: 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 | 1 |
| Socket | LGA775 | PCIe x16 |
| Power consumption (TDP) | 130 Watt | 300 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX9650 and Xeon Phi 3120A. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | + | no data |
Security technologies
Core 2 Extreme QX9650 and Xeon Phi 3120A technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Extreme QX9650 and Xeon Phi 3120A are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9650 and Xeon Phi 3120A. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3, DDR4 |
Pros & cons summary
| Physical cores | 4 | 57 |
| Threads | 4 | 228 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 130 Watt | 300 Watt |
Core 2 Extreme QX9650 has 130.8% lower power consumption.
Xeon Phi 3120A, on the other hand, has 1325% more physical cores and 5600% more threads, and a 104.5% more advanced lithography process.
We couldn't decide between Intel Core 2 Extreme QX9650 and Intel Xeon Phi 3120A. We've got no test results to judge.
Note that Core 2 Extreme QX9650 is a desktop processor while Xeon Phi 3120A is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
