Xeon Gold 6438M vs i7-7800X
Primary details
Comparing Core i7-7800X and Xeon Gold 6438M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 926 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.23 | no data |
| Market segment | Desktop processor | Server |
| Series | Intel Core i7 | no data |
| Power efficiency | 5.48 | no data |
| Architecture codename | Skylake (server) (2017−2018) | Sapphire Rapids (2023−2024) |
| Release date | 26 June 2017 (7 years ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | $383 | $3,273 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-7800X and Xeon Gold 6438M 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) | 32 (Dotriaconta-Core) |
| Threads | 12 | 64 |
| Base clock speed | 3.5 GHz | 2.2 GHz |
| Boost clock speed | 4 GHz | 3.9 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 35 | no data |
| L1 cache | 64 KB (per core) | 80K (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 8.25 MB (shared) | 60 MB |
| Chip lithography | 14 nm | Intel 7 nm |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | 85 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-7800X and Xeon Gold 6438M 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 | FCLGA2066 | FCLGA4677 |
| Power consumption (TDP) | 140 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-7800X and Xeon Gold 6438M. 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® AMX, Intel® SSE4.2, Intel® AVX, 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 | + | + |
| Deep Learning Boost | - | + |
Security technologies
Core i7-7800X and Xeon Gold 6438M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | + | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-7800X and Xeon Gold 6438M are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-7800X and Xeon Gold 6438M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400 | DDR5-4800, DDR5-4400 |
| 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 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-7800X and Xeon Gold 6438M.
| PCIe version | 3.0 | 5 |
| PCI Express lanes | 28 | 80 |
Pros & cons summary
| Recency | 26 June 2017 | 10 January 2023 |
| Physical cores | 6 | 32 |
| Threads | 12 | 64 |
| Power consumption (TDP) | 140 Watt | 205 Watt |
i7-7800X has 46.4% lower power consumption.
Xeon Gold 6438M, on the other hand, has an age advantage of 5 years, and 433.3% more physical cores and 433.3% more threads.
We couldn't decide between Core i7-7800X and Xeon Gold 6438M. We've got no test results to judge.
Note that Core i7-7800X is a desktop processor while Xeon Gold 6438M is a server/workstation one.
Should you still have questions on choice between Core i7-7800X and Xeon Gold 6438M, ask them in Comments section, and we shall answer.
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