Xeon 5120 vs i7-7800X
Primary details
Comparing Core i7-7800X and Xeon 5120 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 907 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.58 | no data |
| Market segment | Desktop processor | Server |
| Series | Intel Core i7 | no data |
| Power efficiency | 5.49 | no data |
| Architecture codename | Skylake (server) (2017−2019) | Woodcrest (2006) |
| Release date | 30 May 2017 (7 years ago) | June 2006 (18 years ago) |
| Launch price (MSRP) | $383 | $45 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-7800X and Xeon 5120 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 | 6 (Hexa-Core) | 2 (Dual-core) |
| Threads | 12 | 2 |
| Base clock speed | 3.5 GHz | 1.86 GHz |
| Boost clock speed | 4 GHz | 1.87 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 35 | no data |
| L1 cache | 384 KB | 0 KB |
| L2 cache | 6 MB | 4 MB |
| L3 cache | 8.25 MB (shared) | 0 KB |
| Chip lithography | 14 nm | 65 nm |
| Maximum core temperature | 100 °C | 65 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
| VID voltage range | no data | B2=1.0V-1.5V, G0=.85V-1.5V |
Compatibility
Information on Core i7-7800X and Xeon 5120 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 (Uniprocessor) | 1 |
| Socket | FCLGA2066 | LGA771 |
| Power consumption (TDP) | 140 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-7800X and Xeon 5120. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | - |
| Hyper-Threading Technology | + | - |
| TSX | + | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | - |
| FSB parity | no data | + |
| Status | Discontinued | Discontinued |
Security technologies
Core i7-7800X and Xeon 5120 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-7800X and Xeon 5120 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 i7-7800X and Xeon 5120. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400 | DDR2 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 85.33 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-7800X and Xeon 5120.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 28 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Physical cores | 6 | 2 |
| Threads | 12 | 2 |
| Chip lithography | 14 nm | 65 nm |
| Power consumption (TDP) | 140 Watt | 65 Watt |
i7-7800X has 200% more physical cores and 500% more threads, and a 364.3% more advanced lithography process.
Xeon 5120, on the other hand, has 115.4% lower power consumption.
We couldn't decide between Core i7-7800X and Xeon 5120. We've got no test results to judge.
Note that Core i7-7800X is a desktop processor while Xeon 5120 is a server/workstation one.
Should you still have questions on choice between Core i7-7800X and Xeon 5120, ask them in Comments section, and we shall answer.
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