Xeon 674X vs i9-7920X
Aggregate performance score
Xeon 674X outperforms Core i9-7920X by a whopping 256% 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 | 655 | 63 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.30 | 23.20 |
| Market segment | Desktop processor | Server |
| Series | Intel Core i9 | no data |
| Power efficiency | 4.04 | 7.47 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Skylake (server) (2017−2018) | Granite Rapids (2024−2026) |
| Release date | 10 September 2017 (8 years ago) | 2 February 2026 (recently) |
| Launch price (MSRP) | $1,199 | $2,199 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon 674X has 909% better value for money than i9-7920X.
Performance to price scatter graph
Detailed specifications
Core i9-7920X and Xeon 674X 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) | 28 (Octacosa-Core) |
| Performance-cores | no data | 28 |
| Threads | 24 | 56 |
| Base clock speed | 2.9 GHz | 3 GHz |
| Boost clock speed | 4.4 GHz | 4.9 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | 0 GT/s |
| 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) | 144 MB (shared) |
| Chip lithography | 14 nm | Intel 3 nm |
| Die size | 484 mm2 | 2x 598 mm2 |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | 72 °C | 77 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Core i9-7920X and Xeon 674X 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) | 140 Watt | 270 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-7920X and Xeon 674X. 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 i9-7920X and Xeon 674X 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 i9-7920X and Xeon 674X are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-7920X and Xeon 674X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR5(6400MT/s)MRDIMM(8000MT/s) |
| Maximum memory size | 128 GB | 4 TB |
| Max memory channels | 4 | 8 |
| 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 i9-7920X and Xeon 674X.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 44 | 128 |
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 | 13.42 | 47.79 |
| Recency | 10 September 2017 | 2 February 2026 |
| Physical cores | 12 | 28 |
| Threads | 24 | 56 |
| Power consumption (TDP) | 140 Watt | 270 Watt |
i9-7920X has 92.9% lower power consumption.
Xeon 674X, on the other hand, has a 256.1% higher aggregate performance score, an age advantage of 8 years, and 133.3% more physical cores and 133.3% more threads.
The Intel Xeon 674X is our recommended choice as it beats the Intel Core i9-7920X in performance tests.
Note that Core i9-7920X is a desktop processor while Xeon 674X 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.
