Atom S1260 vs i5-655K
Aggregate performance score
Core i5-655K outperforms Atom S1260 by a whopping 285% based on our aggregate benchmark results.
Primary details
Comparing Core i5-655K and Atom S1260 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2286 | 3073 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 1.65 | 3.47 |
| Architecture codename | Clarkdale (2010−2011) | Centerton (2012) |
| Release date | 30 May 2010 (14 years ago) | 11 December 2012 (11 years ago) |
| Launch price (MSRP) | no data | $64 |
Detailed specifications
Core i5-655K and Atom S1260 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 4 | 4 |
| Base clock speed | 3.2 GHz | 2 GHz |
| Boost clock speed | 3.46 GHz | 2 GHz |
| Bus rate | 2.5 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 | 4 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 81 mm2 | no data |
| Maximum core temperature | 73 °C | no data |
| Number of transistors | 382 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i5-655K and Atom S1260 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 | FCLGA1156 | FCBGA1283 |
| Power consumption (TDP) | 73 Watt | 8.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-655K and Atom S1260. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | + |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
Security technologies
Core i5-655K and Atom S1260 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 Core i5-655K and Atom S1260 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-655K and Atom S1260. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 16.38 GB | 8 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 21 GB/s | 10.6 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics for Previous Generation Intel Processors | no data |
| Clear Video HD | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-655K and Atom S1260 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-655K and Atom S1260.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 16 | 8 |
| PCI support | no data | PCI Support |
| UART | no data | UART |
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 | 1.27 | 0.33 |
| Recency | 30 May 2010 | 11 December 2012 |
| Power consumption (TDP) | 73 Watt | 8 Watt |
i5-655K has a 284.8% higher aggregate performance score.
Atom S1260, on the other hand, has an age advantage of 2 years, and 812.5% lower power consumption.
The Core i5-655K is our recommended choice as it beats the Atom S1260 in performance tests.
Note that Core i5-655K is a desktop processor while Atom S1260 is a server/workstation one.
Should you still have questions on choice between Core i5-655K and Atom S1260, ask them in Comments section, and we shall answer.
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