Xeon Phi 7295 vs Core 2 Quad Q8400
Primary details
Comparing Core 2 Quad Q8400 and Xeon Phi 7295 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2231 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | Intel Xeon Phi |
| Architecture codename | Yorkfield (2007−2009) | Knights Mill (2017) |
| Release date | 19 April 2009 (15 years ago) | 18 December 2017 (6 years ago) |
Detailed specifications
Core 2 Quad Q8400 and Xeon Phi 7295 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) | 72 (Doheptaconta-Core) |
| Threads | 4 | 288 |
| Base clock speed | 2.66 GHz | 1.5 GHz |
| Boost clock speed | 0.67 GHz | 1.6 GHz |
| Bus rate | 1333 MHz | no data |
| Multiplier | no data | 15 |
| L1 cache | 64 KB (per core) | 4.5 MB |
| L2 cache | 4 MB (shared) | 36 MB |
| L3 cache | 0 KB | 0 KB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Die size | 2x 82 mm2 | no data |
| Maximum core temperature | no data | 77 °C |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 456 million | 8,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | 0.550-1.2V |
Compatibility
Information on Core 2 Quad Q8400 and Xeon Phi 7295 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 | FCLGA775,LGA775 | SVLCLGA3647 |
| Power consumption (TDP) | 95 Watt | 320 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Xeon Phi 7295. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | no data |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
| Status | Discontinued | Discontinued |
Security technologies
Core 2 Quad Q8400 and Xeon Phi 7295 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| SGX | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad Q8400 and Xeon Phi 7295 are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Xeon Phi 7295. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4-2400 |
| Maximum memory size | no data | 384 GB |
| Max memory channels | no data | 6 |
| Maximum memory bandwidth | no data | 115.212 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
| Max video memory | no data | 1 GB |
| Graphics max frequency | no data | 0 MHz |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Xeon Phi 7295.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 36 |
Pros & cons summary
| Recency | 19 April 2009 | 18 December 2017 |
| Physical cores | 4 | 72 |
| Threads | 4 | 288 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 320 Watt |
Core 2 Quad Q8400 has 236.8% lower power consumption.
Xeon Phi 7295, on the other hand, has an age advantage of 8 years, 1700% more physical cores and 7100% more threads, and a 221.4% more advanced lithography process.
We couldn't decide between Core 2 Quad Q8400 and Xeon Phi 7295. We've got no test results to judge.
Note that Core 2 Quad Q8400 is a desktop processor while Xeon Phi 7295 is a server/workstation one.
Should you still have questions on choice between Core 2 Quad Q8400 and Xeon Phi 7295, ask them in Comments section, and we shall answer.
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