Xeon E5-4660 v4 vs Atom N280
Primary details
Comparing Atom N280 and Xeon E5-4660 v4 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 704 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.19 |
| Market segment | Laptop | Server |
| Series | Intel Atom | Intel Xeon E5 |
| Architecture codename | DiamondVille (2008−2009) | Broadwell (2015−2019) |
| Release date | 1 February 2009 (15 years ago) | 20 June 2016 (7 years ago) |
| Launch price (MSRP) | no data | $4,727 |
| Current price | $229 | $880 (0.2x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Atom N280 and Xeon E5-4660 v4 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) | 16 (Hexadeca-Core) |
| Threads | 2 | 32 |
| Base clock speed | 1.66 GHz | 2.2 GHz |
| Boost clock speed | 1.66 GHz | 3 GHz |
| Bus support | 667 MHz | 2 × 9.6 GT/s |
| L1 cache | 56 KB | no data |
| L2 cache | 512 KB | 4 MB |
| L3 cache | 0 KB | 40 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | 26 mm2 | 456.12 mm2 |
| Maximum core temperature | 90 °C | 83 °C |
| Number of transistors | 47 Million | 7200 Million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
| VID voltage range | 0.9V-1.1625V | no data |
Compatibility
Information on Atom N280 and Xeon E5-4660 v4 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) | 4 |
| Socket | PBGA437 | FCLGA2011 |
| Power consumption (TDP) | 2.5 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N280 and Xeon E5-4660 v4. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | Intel® AVX2 |
| AES-NI | no data | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | - |
| Demand Based Switching | - | no data |
| PAE | no data | 46 Bit |
| Instruction Replay | no data | - |
| Status | Discontinued | Launched |
Security technologies
Atom N280 and Xeon E5-4660 v4 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom N280 and Xeon E5-4660 v4 are enumerated here.
| VT-d | - | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N280 and Xeon E5-4660 v4. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
| Maximum memory size | 8 GB | 1.5 TB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 68 GB/s |
| ECC memory support | no data | + |
Peripherals
Specifications and connection of peripherals supported by Atom N280 and Xeon E5-4660 v4.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 40 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
Benchmark coverage: 68%
Xeon E5-4660 v4 outperforms Atom N280 by 9693% in Passmark.
Pros & cons summary
| Recency | 1 February 2009 | 20 June 2016 |
| Physical cores | 1 | 16 |
| Threads | 2 | 32 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 2 Watt | 120 Watt |
We couldn't decide between Atom N280 and Xeon E5-4660 v4. We've got no test results to judge.
Be aware that Atom N280 is a notebook processor while Xeon E5-4660 v4 is a server/workstation one.
Should you still have questions on choice between Atom N280 and Xeon E5-4660 v4, ask them in Comments section, and we shall answer.
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