Atom S1220 vs Xeon E5-4640
Primary details
Comparing Xeon E5-4640 and Atom S1220 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1329 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.27 | no data |
| Market segment | Server | Server |
| Power efficiency | 4.39 | no data |
| Architecture codename | Sandy Bridge-EP (2012) | Centerton (2012) |
| Release date | 14 May 2012 (12 years ago) | 11 December 2012 (11 years ago) |
| Launch price (MSRP) | $2,730 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5-4640 and Atom S1220 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 | 8 (Octa-Core) | 2 (Dual-core) |
| Threads | 16 | 4 |
| Base clock speed | 2.4 GHz | 1.6 GHz |
| Boost clock speed | 2.8 GHz | 1.6 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 64 KB (per core) | 56 KB (per core) |
| L2 cache | 256 KB (per core) | 512 KB (per core) |
| L3 cache | 20480 KB (shared) | 0 KB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 435 mm2 | no data |
| Number of transistors | 2,270 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon E5-4640 and Atom S1220 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 | 4 | 1 |
| Socket | FCLGA2011 | FCBGA1283 |
| Power consumption (TDP) | 95 Watt | 8.1 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-4640 and Atom S1220. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX | no data |
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | + | no data |
Security technologies
Xeon E5-4640 and Atom S1220 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-4640 and Atom S1220 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-4640 and Atom S1220. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 384 GB | 8 GB |
| Max memory channels | 4 | 1 |
| Maximum memory bandwidth | 51.2 GB/s | 10.6 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon E5-4640 and Atom S1220.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 40 | 8 |
| PCI support | no data | PCI Support |
| UART | no data | UART |
Pros & cons summary
| Recency | 14 May 2012 | 11 December 2012 |
| Physical cores | 8 | 2 |
| Threads | 16 | 4 |
| Power consumption (TDP) | 95 Watt | 8 Watt |
Xeon E5-4640 has 300% more physical cores and 300% more threads.
Atom S1220, on the other hand, has an age advantage of 6 months, and 1087.5% lower power consumption.
We couldn't decide between Xeon E5-4640 and Atom S1220. We've got no test results to judge.
Should you still have questions on choice between Xeon E5-4640 and Atom S1220, ask them in Comments section, and we shall answer.
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