Xeon E-2456 vs Atom Z2420
Primary details
Comparing Atom Z2420 and Xeon E-2456 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 469 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 93.22 |
| Market segment | Laptop | Server |
| Power efficiency | no data | 17.70 |
| Architecture codename | Saltwell (2013) | Raptor Lake-S (2023−2024) |
| Release date | 1 January 2013 (11 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | no data | $375 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Atom Z2420 and Xeon E-2456 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) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | no data | 3.3 GHz |
| Boost clock speed | 1.2 GHz | 5.1 GHz |
| Bus rate | no data | 16 GT/s |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 512K (per core) | 1.25 MB (per core) |
| L3 cache | 0 KB | 18 MB (shared) |
| Chip lithography | 32 nm | Intel 7 nm |
| Die size | 65 mm2 | 163 mm2 |
| Maximum core temperature | 90 °C | 100 °C |
| Number of transistors | 140 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Atom Z2420 and Xeon E-2456 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 | FC-MB4617 | FCLGA1700 |
| Power consumption (TDP) | 3 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z2420 and Xeon E-2456. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE, Intel® SSE2, Intel® SSE3 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | no data | 2 |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| PAE | 32 Bit | no data |
| GPIO | 152 | no data |
| Turbo Boost Max 3.0 | no data | - |
Security technologies
Atom Z2420 and Xeon E-2456 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom Z2420 and Xeon E-2456 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 Z2420 and Xeon E-2456. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR5-4800 |
| Maximum memory size | 1 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 6.4 GB/s | no data |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | PowerVR SGX540 (400 MHz) | N/A |
Graphics interfaces
Available interfaces and connections of Atom Z2420 and Xeon E-2456 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Atom Z2420 and Xeon E-2456.
| PCIe version | no data | 5 |
| PCI Express lanes | no data | 16 |
| USB revision | 2.0 OTG | no data |
| Number of USB ports | 1 | no data |
| UART | 3 | no data |
Pros & cons summary
| Recency | 1 January 2013 | 14 December 2023 |
| Physical cores | 1 | 6 |
| Threads | 2 | 12 |
| Power consumption (TDP) | 3 Watt | 80 Watt |
Atom Z2420 has 2566.7% lower power consumption.
Xeon E-2456, on the other hand, has an age advantage of 10 years, and 500% more physical cores and 500% more threads.
We couldn't decide between Atom Z2420 and Xeon E-2456. We've got no test results to judge.
Be aware that Atom Z2420 is a notebook processor while Xeon E-2456 is a server/workstation one.
Should you still have questions on choice between Atom Z2420 and Xeon E-2456, ask them in Comments section, and we shall answer.
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