Ultra 7 265T vs Xeon E3-1278L v4
Primary details
Comparing Xeon E3-1278L v4 and Core Ultra 7 265T 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 | Desktop processor |
| Architecture codename | Broadwell-DT (2015) | Arrow Lake-S (2024−2025) |
| Release date | 2 June 2015 (9 years ago) | January 2025 |
Detailed specifications
Xeon E3-1278L v4 and Core Ultra 7 265T 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 | 4 (Quad-Core) | 20 (Icosa-Core) |
| Threads | 8 | 20 |
| Base clock speed | 2 GHz | 1.5 GHz |
| Boost clock speed | 3.3 GHz | 5.3 GHz |
| L1 cache | 64K (per core) | 112 KB (per core) |
| L2 cache | 256K (per core) | 3 MB (per core) |
| L3 cache | 6 MB (shared) | 30 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | 182 mm2 | 243 mm2 |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
Compatibility
Information on Xeon E3-1278L v4 and Core Ultra 7 265T 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 | 1 |
| Socket | Intel BGA 1364 | 1851 |
| Power consumption (TDP) | 47 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E3-1278L v4 and Core Ultra 7 265T. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | - | + |
Security technologies
Xeon E3-1278L v4 and Core Ultra 7 265T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E3-1278L v4 and Core Ultra 7 265T are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E3-1278L v4 and Core Ultra 7 265T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1600 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Iris Pro P6300 | Arc Xe-LPG Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by Xeon E3-1278L v4 and Core Ultra 7 265T.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 4 | 20 |
| Threads | 8 | 20 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 47 Watt | 35 Watt |
Ultra 7 265T has 400% more physical cores and 150% more threads, a 366.7% more advanced lithography process, and 34.3% lower power consumption.
We couldn't decide between Xeon E3-1278L v4 and Core Ultra 7 265T. We've got no test results to judge.
Be aware that Xeon E3-1278L v4 is a server/workstation processor while Core Ultra 7 265T is a desktop one.
Should you still have questions on choice between Xeon E3-1278L v4 and Core Ultra 7 265T, ask them in Comments section, and we shall answer.
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