Core i7-660LM vs Atom N455
Primary details
Comparing Atom N455 and Core i7-660LM processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Atom | Intel Core i7 |
| Architecture codename | Pinetrail (2009−2010) | Arrandale (2010−2011) |
| Release date | 1 June 2010 (13 years ago) | 26 September 2010 (13 years ago) |
| Launch price (MSRP) | $64 | $346 |
| Current price | $163 (2.5x MSRP) | no data |
Detailed specifications
Atom N455 and Core i7-660LM 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) | 2 (Dual-core) |
| Threads | 2 | 4 |
| Base clock speed | 1.66 GHz | 2.26 GHz |
| Boost clock speed | 1.67 GHz | 3.06 GHz |
| Bus support | 533 MHz | 2500 MHz |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 512K (per core) | 512 KB |
| L3 cache | 0 KB | 4 MB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 66 mm2 | 81+177 mm2 |
| Maximum core temperature | 100 °C | 105 °C |
| Number of transistors | 123 million | 382+177 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Atom N455 and Core i7-660LM 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 | FCBGA559 | BGA1288 |
| Power consumption (TDP) | 6.5 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N455 and Core i7-660LM. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | no data | + |
| FMA | no data | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | + |
| Hyper-Threading Technology | + | + |
| Idle States | no data | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | - | no data |
| PAE | no data | 36 Bit |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| Status | Discontinued | Discontinued |
Security technologies
Atom N455 and Core i7-660LM technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom N455 and Core i7-660LM are enumerated here.
| VT-d | - | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N455 and Core i7-660LM. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-800, DDR3-1066 |
| Maximum memory size | 2 GB | 8 GB |
| Max memory channels | 1 | 2 |
| Maximum memory bandwidth | no data | 17.1 GB/s |
| ECC memory support | no data | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | Intel® HD Graphics for Previous Generation Intel® Processors |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 566 MHz |
Graphics interfaces
Available interfaces and connections of Atom N455 and Core i7-660LM integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Atom N455 and Core i7-660LM.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Recency | 1 June 2010 | 26 September 2010 |
| Physical cores | 1 | 2 |
| Threads | 2 | 4 |
| Cost | $64 | $346 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 6 Watt | 25 Watt |
We couldn't decide between Atom N455 and Core i7-660LM. We've got no test results to judge.
Should you still have questions on choice between Atom N455 and Core i7-660LM, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
