i7-620LE vs Atom x5-E3940
Primary details
Comparing Atom x5-E3940 and Core i7-620LE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2309 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 5x Intel Atom | Intel Core i7 |
| Power efficiency | 11.64 | no data |
| Architecture codename | Apollo Lake (2014−2016) | Arrandale (2010−2011) |
| Release date | 30 August 2014 (10 years ago) | 7 January 2010 (14 years ago) |
| Launch price (MSRP) | no data | $247 |
Detailed specifications
Atom x5-E3940 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 4 |
| Base clock speed | 1.6 GHz | 2 GHz |
| Boost clock speed | 1.8 GHz | 2.8 GHz |
| Bus type | no data | DMI 1.0 |
| Bus rate | no data | 1 × 2.5 GT/s |
| Multiplier | no data | 15 |
| L1 cache | 56K (per core) | 64 KB (per core) |
| L2 cache | 2 MB (shared) | 256 KB (per core) |
| L3 cache | 0 KB | 4 MB (shared) |
| Chip lithography | 14 nm | 32 nm |
| Die size | no data | 81 mm2 |
| Maximum case temperature (TCase) | 103 °C | no data |
| Number of transistors | no data | 382 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom x5-E3940 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 | Intel BGA 1296 | Intel BGA 1288 |
| Power consumption (TDP) | 10 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x5-E3940 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
Atom x5-E3940 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 Atom x5-E3940 and Core i7-620LE are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom x5-E3940 and Core i7-620LE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | DDR3-1066 |
| Maximum memory size | 8 GB | 8 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 17.051 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics 500 | Intel HD Graphics (Ironlake) |
Peripherals
Specifications and connection of peripherals supported by Atom x5-E3940 and Core i7-620LE.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 4 | 16 |
Pros & cons summary
| Recency | 30 August 2014 | 7 January 2010 |
| Physical cores | 4 | 2 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 10 Watt | 25 Watt |
Atom x5-E3940 has an age advantage of 4 years, 100% more physical cores, a 128.6% more advanced lithography process, and 150% lower power consumption.
We couldn't decide between Atom x5-E3940 and Core i7-620LE. We've got no test results to judge.
Should you still have questions on choice between Atom x5-E3940 and Core i7-620LE, ask them in Comments section, and we shall answer.
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