Xeon w5-2545 vs Atom E645CT
Primary details
Comparing Atom E645CT 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 | 83.29 |
| Market segment | Laptop | Server |
| Power efficiency | no data | 11.83 |
| Architecture codename | Stellarton (2010) | Sapphire Rapids (2023−2024) |
| Release date | 22 November 2010 (14 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
Atom E645CT 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 | 2 | 24 |
| Base clock speed | no data | 3.5 GHz |
| Boost clock speed | 1 GHz | 4.7 GHz |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 2 MB (per core) |
| L3 cache | 0 KB | 30 MB |
| Chip lithography | 45 nm | Intel 7 nm |
| Die size | 26 mm2 | no data |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 47 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Atom E645CT 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 | 1 | 1 |
| Socket | Intel BGA1466 | FCLGA4677 |
| Power consumption (TDP) | 4 Watt | 210 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom E645CT 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) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Atom E645CT 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 Atom E645CT 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 Atom E645CT and Xeon w5-2545. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR5-4800 |
| Maximum memory size | no data | 2 TB |
| Max memory channels | no data | 4 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 600 | N/A |
Peripherals
Specifications and connection of peripherals supported by Atom E645CT and Xeon w5-2545.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 64 |
Pros & cons summary
| Recency | 22 November 2010 | 24 August 2024 |
| Physical cores | 1 | 12 |
| Threads | 2 | 24 |
| Power consumption (TDP) | 4 Watt | 210 Watt |
Atom E645CT has 5150% lower power consumption.
Xeon w5-2545, on the other hand, has an age advantage of 13 years, and 1100% more physical cores and 1100% more threads.
We couldn't decide between Atom E645CT and Xeon w5-2545. We've got no test results to judge.
Be aware that Atom E645CT is a notebook processor while Xeon w5-2545 is a server/workstation one.
Should you still have questions on choice between Atom E645CT and Xeon w5-2545, ask them in Comments section, and we shall answer.
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