Atom E640T vs Duo L2400
Primary details
Comparing Core Duo L2400 and Atom E640T 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 | Core Duo | no data |
| Architecture codename | Yonah (2005−2006) | Tunnel Creek (2010) |
| Release date | no data (2024 years ago) | 14 September 2010 (14 years ago) |
Detailed specifications
Core Duo L2400 and Atom E640T 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 | 2 | 2 |
| Base clock speed | 1.66 GHz | no data |
| Boost clock speed | 1.66 GHz | 1 GHz |
| Bus rate | 533 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 512 KB (per core) |
| L3 cache | 2 MB L2 Cache | 0 KB |
| Chip lithography | 65 nm | 45 nm |
| Die size | no data | 26 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 47 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.0V - 1.212V | no data |
Compatibility
Information on Core Duo L2400 and Atom E640T 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 | no data | 1 |
| Socket | PBGA479 | Intel BGA 676 |
| Power consumption (TDP) | 15 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Duo L2400 and Atom E640T. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | + |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | - | no data |
Security technologies
Core Duo L2400 and Atom E640T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Duo L2400 and Atom E640T are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Duo L2400 and Atom E640T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel GMA 600 |
Pros & cons summary
| Physical cores | 2 | 1 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 15 Watt | 3 Watt |
Duo L2400 has 100% more physical cores.
Atom E640T, on the other hand, has a 44.4% more advanced lithography process, and 400% lower power consumption.
We couldn't decide between Core Duo L2400 and Atom E640T. We've got no test results to judge.
Should you still have questions on choice between Core Duo L2400 and Atom E640T, ask them in Comments section, and we shall answer.
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