i7-620LE vs i5-520E
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i5 | Intel Core i7 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Westmere (2010−2011) | Arrandale (2010−2011) |
| Release date | 7 January 2010 (15 years ago) | 7 January 2010 (15 years ago) |
| Launch price (MSRP) | $210 | $247 |
Detailed specifications
Core i5-520E and Core i7-620LE 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 | no data | 2 GHz |
| Boost clock speed | 2.4 GHz | 2.8 GHz |
| Bus type | DMI 1.0 | DMI 1.0 |
| Bus rate | 1 × 2.5 GT/s | 1 × 2.5 GT/s |
| Multiplier | 18 | 15 |
| L1 cache | 128 KB | 64 KB (per core) |
| L2 cache | 512 KB | 256 KB (per core) |
| L3 cache | 3 MB | 4 MB (shared) |
| Chip lithography | 32 nm | 32 nm |
| Die size | 81 mm2 | 81 mm2 |
| Number of transistors | 382 Million | 382 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i5-520E and Core i7-620LE 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) | 1 (Uniprocessor) |
| Socket | no data | Intel BGA 1288 |
| Power consumption (TDP) | 35 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-520E and Core i7-620LE. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
Security technologies
Core i5-520E and Core i7-620LE technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-520E and Core i7-620LE are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-520E and Core i7-620LE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1066 | DDR3-1066 |
| Maximum memory size | 8 GB | 8 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 17.051 GB/s | 17.051 GB/s |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics (Ironlake) | Intel HD Graphics (Ironlake) |
Peripherals
Specifications and connection of peripherals supported by Core i5-520E and Core i7-620LE.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 16 | 16 |
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
