Xeon w5-2545 vs K6-2E/266AFR
Primary details
Comparing K6-2E/266AFR and Xeon w5-2545 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 183 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 83.24 |
| Market segment | Laptop | Server |
| Series | AMD K6-2 | no data |
| Power efficiency | no data | 11.83 |
| Architecture codename | K6-2 (1998−1999) | Sapphire Rapids (2023−2024) |
| Release date | no data (2024 years ago) | 24 August 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $889 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
K6-2E/266AFR and Xeon w5-2545 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 | 1 (Single-Core) | 12 (Dodeca-Core) |
| Threads | 1 | 24 |
| Base clock speed | no data | 3.5 GHz |
| Boost clock speed | 0.07 GHz | 4.7 GHz |
| Bus type | FSB | no data |
| Bus rate | 66.66 MT/s | no data |
| Multiplier | 4 | no data |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | no data | 2 MB (per core) |
| L3 cache | no data | 30 MB |
| Chip lithography | 0.25 µm | Intel 7 nm |
| Die size | 81 mm2 | no data |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 9 Million | no data |
| 64 bit support | - | + |
Compatibility
Information on K6-2E/266AFR and Xeon w5-2545 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 | no data | 1 |
| Socket | no data | FCLGA4677 |
| Power consumption (TDP) | no data | 210 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by K6-2E/266AFR and Xeon w5-2545. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
K6-2E/266AFR and Xeon w5-2545 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by K6-2E/266AFR and Xeon w5-2545 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by K6-2E/266AFR and Xeon w5-2545. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-4800 |
| Maximum memory size | 4 GB | 2 TB |
| Max memory channels | no data | 4 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by K6-2E/266AFR and Xeon w5-2545.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 64 |
Pros & cons summary
| Physical cores | 1 | 12 |
| Threads | 1 | 24 |
Xeon w5-2545 has 1100% more physical cores and 2300% more threads.
We couldn't decide between K6-2E/266AFR and Xeon w5-2545. We've got no test results to judge.
Be aware that K6-2E/266AFR is a notebook processor while Xeon w5-2545 is a server/workstation one.
Should you still have questions on choice between K6-2E/266AFR and Xeon w5-2545, ask them in Comments section, and we shall answer.
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