Intel Core i5-520E: specs and benchmarks
Summary
Intel started Core i5-520E sales 7 January 2010 at a recommended price of $210. This is a Westmere architecture notebook processor primarily aimed at home systems. It has 2 cores and 4 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of 2399.99 MHz - 2933.33 MHz (1 core) 2666.66 MHz (2 cores) and a locked multiplier.
Compatibility-wise, this is a processor with a TDP of 35 Watt. It supports DDR3-1066 memory.
Primary details
Core i5-520E processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Market segment | Laptop | |
| Series | Intel Core i5 | |
| Architecture codename | Westmere (2010−2011) | |
| Release date | 7 January 2010 (14 years ago) | |
| Launch price (MSRP) | $210 | of 17,906 (Xeon Platinum 8280L) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 2 (Dual-core) | |
| Threads | 4 | |
| Boost clock speed | 2.4 GHz | of 6.2 GHz (Core i9-14900KS) |
| Bus type | DMI 1.0 | |
| Bus rate | 1 × 2.5 GT/s | |
| Multiplier | 18 | of 42 (Core i7-7700K) |
| L1 cache | 128 KB | of 80 KB (EPYC 9965) |
| L2 cache | 512 KB | of 2 MB (Xeon 6980P) |
| L3 cache | 3 MB | of 1152 MB (EPYC 9684X) |
| Chip lithography | 32 nm | of 3 nm (Apple M3 Max 16-Core) |
| Die size | 81 mm2 | |
| Number of transistors | 382 Million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + | |
| Windows 11 compatibility | - |
Compatibility
Information on Core i5-520E compatibility with other computer components and devices: 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) | of 8 (Opteron 842) |
| Power consumption (TDP) | 35 Watt | of 500 Watt (Xeon 6960P) |
Technologies and extensions
Technological capabilities and additional instructions supported by Core i5-520E. You'll probably need this information if you require some particular technology.
| AES-NI | + | |
| FMA | + | |
| Enhanced SpeedStep (EIST) | + |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| VT-d | + | |
| VT-x | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Core i5-520E's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR3-1066 | |
| Maximum memory size | 8 GB | of 6 TiB (EPYC 9124) |
| Max memory channels | 2 | of 12 (Xeon Platinum 9221) |
| Maximum memory bandwidth | 17.051 GB/s | of 460.8 GB/s (EPYC 9124) |
| ECC memory support | + |
Graphics specifications
General parameters of a GPU integrated into Core i5-520E.
| Integrated graphics card | Intel HD Graphics (Ironlake) |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 2.0 | of 5.0 (Core i9-12900K) |
| PCI Express lanes | 16 | of 128 (EPYC 7551P) |
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Core i5-520E, according to our PC configuration statistics.
These are the fastest graphics cards for Core i5-520E in our user configuration statistics. There is a total of 23 configurations using Core i5-520E in our database.
