Xeon 634 vs i7-9800X
Aggregate performance score
Xeon 634 outperforms Core i7-9800X by a whopping 107% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 966 | 360 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.95 | 24.68 |
| Market segment | Desktop processor | Server |
| Series | Intel Core i7 | no data |
| Power efficiency | 2.66 | 6.06 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Skylake (server) (2017−2018) | Granite Rapids (2024−2026) |
| Release date | 19 October 2018 (7 years ago) | 2 February 2026 (less than a year ago) |
| Launch price (MSRP) | $589 | $499 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon 634 has 1166% better value for money than i7-9800X.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
Basic parameters of Core i7-9800X and Xeon 634: 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 | 8 (Octa-Core) | 12 (Dodeca-Core) |
| Performance-cores | no data | 12 |
| Threads | 16 | 24 |
| Base clock speed | 3.8 GHz | 2.7 GHz |
| Boost clock speed | 4.5 GHz | 4.6 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | 0 GT/s |
| Multiplier | 38 | no data |
| L1 cache | 64 KB (per core) | 112 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 16.5 MB (shared) | 48 MB (shared) |
| Chip lithography | 14 nm | Intel 3 nm |
| Die size | no data | 598 mm2 |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | 72 °C | 68 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Core i7-9800X and Xeon 634 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 | FCLGA4710 |
| Power consumption (TDP) | 165 Watt | 150 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-9800X and Xeon 634. 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 | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Turbo Boost Max 3.0 | + | + |
| Deep Learning Boost | - | + |
Security technologies
Core i7-9800X and Xeon 634 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | + | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-9800X and Xeon 634 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-9800X and Xeon 634. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR5(6400MT/s) |
| Maximum memory size | 128 GB | 2 TB |
| Max memory channels | 4 | 4 |
| Maximum memory bandwidth | 85.33 GB/s | no data |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Core i7-9800X and Xeon 634.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 44 | 80 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 10.59 | 21.96 |
| Recency | 19 October 2018 | 2 February 2026 |
| Physical cores | 8 | 12 |
| Threads | 16 | 24 |
| Power consumption (TDP) | 165 Watt | 150 Watt |
Xeon 634 has a 107% higher aggregate performance score, an age advantage of 7 years, 50% more physical cores and 50% more threads, and 10% lower power consumption.
The Intel Xeon 634 is our recommended choice as it beats the Intel Core i7-9800X in performance tests.
Note that Core i7-9800X is a desktop processor while Xeon 634 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.
