Xeon 6766E vs i5-8650K
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 |
| Series | Intel Core i5 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Coffee Lake (2017−2019) | Sierra Forest (2024) |
| Release date | 1 September 2018 (7 years ago) | 3 June 2024 (1 year ago) |
| Launch price (MSRP) | no data | $10,257 |
Detailed specifications
Core i5-8650K and Xeon 6766E 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) | 144 |
| Threads | 6 | 144 |
| Base clock speed | 3.7 GHz | 1.9 GHz |
| Boost clock speed | 4.5 GHz | 2.7 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| L1 cache | 64K (per core) | 96 KB (per core) |
| L2 cache | 256K (per core) | 4 MB (per module) |
| L3 cache | 9 MB (shared) | 108 MB (shared) |
| Chip lithography | 14 nm | Intel 3 nm |
| Die size | 126 mm2 | no data |
| Maximum case temperature (TCase) | 72 °C | 84 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i5-8650K and Xeon 6766E 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) | 2 |
| Socket | 1151 | FCLGA4710 |
| Power consumption (TDP) | 95 Watt | 250 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8650K and Xeon 6766E. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
Core i5-8650K and Xeon 6766E technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-8650K and Xeon 6766E are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-8650K and Xeon 6766E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5-6400 |
| Maximum memory size | 64 GB | 4 TB |
| Max memory channels | 2 | 8 |
| Maximum memory bandwidth | 42.671 GB/s | no data |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 630 | N/A |
Peripherals
Specifications and connection of peripherals supported by Core i5-8650K and Xeon 6766E.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | no data | 88 |
Pros & cons summary
| Recency | 1 September 2018 | 3 June 2024 |
| Physical cores | 6 | 144 |
| Threads | 6 | 144 |
| Power consumption (TDP) | 95 Watt | 250 Watt |
i5-8650K has 163.2% lower power consumption.
Xeon 6766E, on the other hand, has an age advantage of 5 years, and 2300% more physical cores and 2300% more threads.
We couldn't decide between Intel Core i5-8650K and Intel Xeon 6766E. We've got no test results to judge.
Note that Core i5-8650K is a desktop processor while Xeon 6766E is a server/workstation one.
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