Atom E640 vs Core 2 Duo E8500
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2932 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 0.48 | no data |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Wolfdale (2008−2010) | Tunnel Creek (2010) |
| Release date | January 2008 (18 years ago) | 14 September 2010 (15 years ago) |
Detailed specifications
Core 2 Duo E8500 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 | 2 | 2 |
| Base clock speed | 3.16 GHz | no data |
| Boost clock speed | 3.17 GHz | 1 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | 64 KB | 64 KB (per core) |
| L2 cache | 6 MB (shared) | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 107 mm2 | 26 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 410 million | 47 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Duo E8500 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 | 1 |
| Socket | LGA775 | Intel BGA 676 |
| Power consumption (TDP) | 65 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E8500 and Atom E640. 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 |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo E8500 and Atom E640 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 2 Duo E8500 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 2 Duo E8500 and Atom E640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | 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 |
| Power consumption (TDP) | 65 Watt | 3 Watt |
Core 2 Duo E8500 has 100% more physical cores.
Atom E640, on the other hand, has 2067% lower power consumption.
We couldn't decide between Intel Core 2 Duo E8500 and Intel Atom E640. We've got no test results to judge.
Note that Core 2 Duo E8500 is a desktop processor while Atom E640 is a notebook one.
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