i7-660LM vs i5-2500S
Primary details
Comparing Core i5-2500S and Core i7-660LM processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1854 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.87 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Core i7 |
| Power efficiency | 3.10 | no data |
| Architecture codename | Sandy Bridge (2011−2013) | Arrandale (2010−2011) |
| Release date | 9 January 2011 (13 years ago) | 13 September 2010 (14 years ago) |
| Launch price (MSRP) | $75 | $346 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-2500S 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 4 |
| Base clock speed | 2.7 GHz | 2.26 GHz |
| Boost clock speed | 3.7 GHz | 3.06 GHz |
| Bus type | no data | DMI 1.0 |
| Bus rate | 5 GT/s | 1 × 2.5 GT/s |
| Multiplier | no data | 17 |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 512 KB |
| L3 cache | 6144 KB (shared) | 4 MB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 216 mm2 | 81+177 mm2 |
| Maximum core temperature | 69 °C | 105 °C |
| Number of transistors | 1,160 million | 382+177 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i5-2500S 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 (Uniprocessor) |
| Socket | LGA1155 | BGA1288 |
| Power consumption (TDP) | 65 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-2500S and Core i7-660LM. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | - |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | + |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | + |
| PAE | no data | 36 Bit |
| FDI | + | + |
| Fast Memory Access | + | + |
Security technologies
Core i5-2500S and Core i7-660LM technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Identity Protection | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-2500S and Core i7-660LM are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-2500S 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 | 32 GB | 8 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21 GB/s | 17.051 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 2000 | Intel® HD Graphics for Previous Generation Intel® Processors |
| Quick Sync Video | + | - |
| Clear Video | no data | + |
| Clear Video HD | + | + |
| Graphics max frequency | 1.1 GHz | 566 MHz |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-2500S and Core i7-660LM integrated GPUs.
| Number of displays supported | 2 | 2 |
Peripherals
Specifications and connection of peripherals supported by Core i5-2500S and Core i7-660LM.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 16 | 16 |
Pros & cons summary
| Recency | 9 January 2011 | 13 September 2010 |
| Physical cores | 4 | 2 |
| Power consumption (TDP) | 65 Watt | 25 Watt |
i5-2500S has an age advantage of 3 months, and 100% more physical cores.
i7-660LM, on the other hand, has 160% lower power consumption.
We couldn't decide between Core i5-2500S and Core i7-660LM. We've got no test results to judge.
Note that Core i5-2500S is a desktop processor while Core i7-660LM is a notebook one.
Should you still have questions on choice between Core i5-2500S and Core i7-660LM, ask them in Comments section, and we shall answer.
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