Atom E640 vs i5-2515E
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2580 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.06 | no data |
| Market segment | Laptop | Laptop |
| Series | Intel Core i5 | no data |
| Power efficiency | 1.29 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Sandy Bridge (2011−2013) | Tunnel Creek (2010) |
| Release date | 1 February 2011 (14 years ago) | 14 September 2010 (14 years ago) |
| Launch price (MSRP) | $266 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core i5-2515E and Atom E640 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) | 1 (Single-Core) |
| Threads | 4 | 2 |
| Base clock speed | 2.5 GHz | no data |
| Boost clock speed | 2.5 GHz | 1 GHz |
| Bus type | DMI 2.0 | no data |
| Bus rate | 4 × 5 GT/s | no data |
| Multiplier | 25 | no data |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 256K (per core) | 512 KB (per core) |
| L3 cache | 3 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 149 mm2 | 26 mm2 |
| Number of transistors | 624 million | 47 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i5-2515E and Atom E640 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 | Intel BGA1023 | Intel BGA 676 |
| Power consumption (TDP) | 35 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-2515E and Atom E640. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Hyper-Threading Technology | no data | + |
Security technologies
Core i5-2515E and Atom E640 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-2515E and Atom E640 are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-2515E and Atom E640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
| Maximum memory size | 16 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21.335 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 3000 | Intel GMA 600 |
Pros & cons summary
| Recency | 1 February 2011 | 14 September 2010 |
| Physical cores | 2 | 1 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 35 Watt | 3 Watt |
i5-2515E has an age advantage of 4 months, 100% more physical cores and 100% more threads, and a 40.6% more advanced lithography process.
Atom E640, on the other hand, has 1066.7% lower power consumption.
We couldn't decide between Intel Core i5-2515E and Intel Atom E640. We've got no test results to judge.
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