Xeon E5440 vs Atom C3558
Aggregate performance score
Atom C3558 outperforms Xeon E5440 by a minimal 3% based on our aggregate benchmark results.
Primary details
Comparing Atom C3558 and Xeon E5440 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2097 | 2116 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.47 | no data |
| Market segment | Server | Server |
| Series | Intel Atom | no data |
| Power efficiency | 9.04 | 1.76 |
| Architecture codename | Goldmont (2016−2017) | no data |
| Release date | 15 August 2017 (7 years ago) | 1 January 2008 (16 years ago) |
| Launch price (MSRP) | $86 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Atom C3558 and Xeon E5440 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) | no data |
| Threads | 4 | no data |
| Base clock speed | 2.2 GHz | 2.83 GHz |
| Boost clock speed | 2.2 GHz | no data |
| Multiplier | 22 | no data |
| L1 cache | 224 KB | no data |
| L2 cache | 8 MB | no data |
| L3 cache | 8 MB | 12 MB L2 Cache |
| Chip lithography | 14 nm | 45 nm |
| Maximum core temperature | 83 °C | 67 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.85V-1.35V |
Compatibility
Information on Atom C3558 and Xeon E5440 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 (Uniprocessor) | no data |
| Socket | FCBGA1310 | LGA771 |
| Power consumption (TDP) | 16 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom C3558 and Xeon E5440. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | + | no data |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | + |
| FSB parity | no data | + |
| Status | Launched | Discontinued |
Security technologies
Atom C3558 and Xeon E5440 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | + | + |
| Secure Boot | + | no data |
| Secure Key | + | no data |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom C3558 and Xeon E5440 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom C3558 and Xeon E5440. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4: 2133 | no data |
| Maximum memory size | 256 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 29.871 GB/s | no data |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Atom C3558 and Xeon E5440.
| PCIe version | 3 | no data |
| PCI Express lanes | 12 | no data |
| USB revision | 3 | no data |
| Total number of SATA ports | 12 | no data |
| Max number of SATA 6 Gb/s Ports | 12 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | 2x10/2.5/1 GBE + 2x2.5/1 GBE | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 1.59 | 1.55 |
| Recency | 15 August 2017 | 1 January 2008 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 16 Watt | 80 Watt |
Atom C3558 has a 2.6% higher aggregate performance score, an age advantage of 9 years, a 221.4% more advanced lithography process, and 400% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Atom C3558 and Xeon E5440.
Should you still have questions on choice between Atom C3558 and Xeon E5440, ask them in Comments section, and we shall answer.
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