Xeon 636 vs 6748P
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 | Server | Server |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Granite Rapids (2024−2026) | Granite Rapids (2024−2026) |
| Release date | 24 February 2025 (less than a year ago) | 2 February 2026 (recently) |
| Launch price (MSRP) | $12,702 | $639 |
Detailed specifications
Xeon 6748P and Xeon 636 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 | 48 (Octatetraconta-Core) | 12 (Dodeca-Core) |
| Performance-cores | no data | 12 |
| Threads | 96 | 24 |
| Base clock speed | 2.5 GHz | 3.5 GHz |
| Boost clock speed | 4.1 GHz | 4.7 GHz |
| Bus rate | no data | 0 GT/s |
| L1 cache | 112 KB (per core) | 112 KB (per core) |
| L2 cache | 2 MB (per core) | 2 MB (per core) |
| L3 cache | 192 MB (shared) | 48 MB (shared) |
| Chip lithography | Intel 3 nm | Intel 3 nm |
| Die size | 2x 598 mm2 | 598 mm2 |
| Maximum case temperature (TCase) | 86 °C | 73 °C |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon 6748P and Xeon 636 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 | 8 | 1 |
| Socket | FCLGA4710 | FCLGA4710 |
| Power consumption (TDP) | 300 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 6748P and Xeon 636. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512, Intel® AMX | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | + | + |
Security technologies
Xeon 6748P and Xeon 636 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | + | - |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 6748P and Xeon 636 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 6748P and Xeon 636. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5(6400MT/s) | DDR5(6400MT/s) |
| Maximum memory size | 4 TB | 2 TB |
| Max memory channels | 8 | 4 |
| 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 Xeon 6748P and Xeon 636.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 88 | 80 |
Pros & cons summary
| Recency | 24 February 2025 | 2 February 2026 |
| Physical cores | 48 | 12 |
| Threads | 96 | 24 |
| Power consumption (TDP) | 300 Watt | 170 Watt |
Xeon 6748P has 300% more physical cores and 300% more threads.
Xeon 636, on the other hand, has an age advantage of 11 months, and 76.5% lower power consumption.
We couldn't decide between Intel Xeon 6748P and Intel Xeon 636. We've got no test results to judge.
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