i9-9800X vs Xeon E5-2678 v3
Primary details
Comparing Xeon E5-2678 v3 and Core i9-9800X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 819 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Series | Xeon | no data |
| Power efficiency | 7.32 | no data |
| Architecture codename | Haswell (2013−2015) | Skylake-X (2018) |
| Release date | 2015 (9 years ago) | October 2018 (6 years ago) |
Detailed specifications
Xeon E5-2678 v3 and Core i9-9800X 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 | 12 (Dodeca-Core) | 8 (Octa-Core) |
| Threads | 24 | 16 |
| Base clock speed | 2.5 GHz | no data |
| Boost clock speed | 3.3 GHz | 3.8 GHz |
| L1 cache | 384 KB | 64K (per core) |
| L2 cache | 3072 KB | 1 MB (per core) |
| L3 cache | 30 MB | 16.5 MB (shared) |
| Chip lithography | 22 nm | 14 nm |
| Die size | 356 mm2 | no data |
| Maximum case temperature (TCase) | 84 °C | 72 °C |
| Number of transistors | 5,560 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon E5-2678 v3 and Core i9-9800X 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 | 2 | 1 |
| Socket | LGA2011-3 | 2066 |
| Power consumption (TDP) | 120 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2678 v3 and Core i9-9800X. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | + |
Security technologies
Xeon E5-2678 v3 and Core i9-9800X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2678 v3 and Core i9-9800X are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-2678 v3 and Core i9-9800X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR4 |
Peripherals
Specifications and connection of peripherals supported by Xeon E5-2678 v3 and Core i9-9800X.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 40 | no data |
Pros & cons summary
| Physical cores | 12 | 8 |
| Threads | 24 | 16 |
| Chip lithography | 22 nm | 14 nm |
| Power consumption (TDP) | 120 Watt | 165 Watt |
Xeon E5-2678 v3 has 50% more physical cores and 50% more threads, and 37.5% lower power consumption.
i9-9800X, on the other hand, has a 57.1% more advanced lithography process.
We couldn't decide between Xeon E5-2678 v3 and Core i9-9800X. We've got no test results to judge.
Be aware that Xeon E5-2678 v3 is a server/workstation processor while Core i9-9800X is a desktop one.
Should you still have questions on choice between Xeon E5-2678 v3 and Core i9-9800X, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
