i5-11400F vs i5-520E
Primary details
Comparing Core i5-520E and Core i5-11400F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 720 |
| Place by popularity | not in top-100 | 38 |
| Cost-effectiveness evaluation | no data | 38.01 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core i5 | no data |
| Power efficiency | no data | 15.61 |
| Architecture codename | Westmere (2010−2011) | Rocket Lake (2021) |
| Release date | 7 January 2010 (14 years ago) | 16 March 2021 (3 years ago) |
| Launch price (MSRP) | $210 | $157 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-520E and Core i5-11400F 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) | 6 (Hexa-Core) |
| Threads | 4 | 12 |
| Base clock speed | no data | 2.6 GHz |
| Boost clock speed | 2.4 GHz | 4.4 GHz |
| Bus type | DMI 1.0 | no data |
| Bus rate | 1 × 2.5 GT/s | 8 GT/s |
| Multiplier | 18 | no data |
| L1 cache | 128 KB | 64K (per core) |
| L2 cache | 512 KB | 256K (per core) |
| L3 cache | 3 MB | 12 MB (shared) |
| Chip lithography | 32 nm | 14 nm |
| Die size | 81 mm2 | 276 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 382 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Core i5-520E and Core i5-11400F 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 |
| Socket | no data | FCLGA1200 |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-520E and Core i5-11400F. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| FMA | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Deep Learning Boost | - | + |
Security technologies
Core i5-520E and Core i5-11400F technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-520E and Core i5-11400F are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-520E and Core i5-11400F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1066 | DDR4 |
| Maximum memory size | 8 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 17.051 GB/s | 50 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-520E and Core i5-11400F.
| PCIe version | 2.0 | 4.0 |
| PCI Express lanes | 16 | 20 |
Pros & cons summary
| Recency | 7 January 2010 | 16 March 2021 |
| Physical cores | 2 | 6 |
| Threads | 4 | 12 |
| Chip lithography | 32 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 65 Watt |
i5-520E has 85.7% lower power consumption.
i5-11400F, on the other hand, has an age advantage of 11 years, 200% more physical cores and 200% more threads, and a 128.6% more advanced lithography process.
We couldn't decide between Core i5-520E and Core i5-11400F. We've got no test results to judge.
Be aware that Core i5-520E is a notebook processor while Core i5-11400F is a desktop one.
Should you still have questions on choice between Core i5-520E and Core i5-11400F, ask them in Comments section, and we shall answer.
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