Xeon 6756E vs i7-1255U
Primary details
Comparing Core i7-1255U and Xeon 6756E processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 895 | not rated |
| Place by popularity | 74 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Alder Lake-M | no data |
| Power efficiency | 53.82 | no data |
| Architecture codename | Alder Lake-U (2022) | Sierra Forest (2024) |
| Release date | 23 February 2022 (2 years ago) | 3 June 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $8,428 |
Detailed specifications
Core i7-1255U and Xeon 6756E 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 | 10 (Deca-Core) | 128 |
| Threads | 12 | 128 |
| Base clock speed | 1.7 GHz | 1.8 GHz |
| Boost clock speed | 4.7 GHz | 2.6 GHz |
| L1 cache | 80K (per core) | 96 KB (per core) |
| L2 cache | 1.25 MB (per core) | 4 MB (per module) |
| L3 cache | 12 MB (shared) | 96 MB (shared) |
| Chip lithography | 10 nm | 5 nm |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 80 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Core i7-1255U and Xeon 6756E 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 | 2 |
| Socket | Intel BGA 1744 | 4710 |
| Power consumption (TDP) | 15 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-1255U and Xeon 6756E. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | + |
Security technologies
Core i7-1255U and Xeon 6756E technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-1255U and Xeon 6756E are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-1255U and Xeon 6756E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Iris Xe Graphics G7 96EUs ( - 1250 MHz) | N/A |
Peripherals
Specifications and connection of peripherals supported by Core i7-1255U and Xeon 6756E.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 20 | 88 |
Pros & cons summary
| Recency | 23 February 2022 | 3 June 2024 |
| Physical cores | 10 | 128 |
| Threads | 12 | 128 |
| Chip lithography | 10 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 225 Watt |
i7-1255U has 1400% lower power consumption.
Xeon 6756E, on the other hand, has an age advantage of 2 years, 1180% more physical cores and 966.7% more threads, and a 100% more advanced lithography process.
We couldn't decide between Core i7-1255U and Xeon 6756E. We've got no test results to judge.
Be aware that Core i7-1255U is a notebook processor while Xeon 6756E is a server/workstation one.
Should you still have questions on choice between Core i7-1255U and Xeon 6756E, ask them in Comments section, and we shall answer.
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