Mobile Pentium II 266PE vs Core 2 Duo T5870
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3221 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | Intel Mobile Pentium II |
| Power efficiency | 0.50 | no data |
| Designer | Intel | Intel |
| Architecture codename | Merom (2006−2008) | P6 |
| Release date | 1 October 2008 (17 years ago) | no data |
Detailed specifications
Core 2 Duo T5870 and Mobile Pentium II 266PE 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 | 1 |
| Base clock speed | 2 GHz | no data |
| Boost clock speed | 2 GHz | 0.27 GHz |
| Bus type | no data | FSB |
| Bus rate | 800 MHz | no data |
| Multiplier | no data | 4 |
| L2 cache | 2 MB | 256 KB |
| L3 cache | 2 MB L2 Cache | no data |
| Chip lithography | 65 nm | 250 nm |
| Die size | 143 mm2 | 180 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 291 Million | 27 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
| VID voltage range | 1.075V-1.175V | no data |
Compatibility
Information on Core 2 Duo T5870 and Mobile Pentium II 266PE 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.
| Power consumption (TDP) | 35 Watt | 10.3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T5870 and Mobile Pentium II 266PE. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo T5870 and Mobile Pentium II 266PE 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 T5870 and Mobile Pentium II 266PE are enumerated here.
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T5870 and Mobile Pentium II 266PE. Depending on the motherboard, higher memory frequencies may be supported.
| Maximum memory size | no data | 64 GB |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 65 nm | 250 nm |
| Power consumption (TDP) | 35 Watt | 10 Watt |
Core 2 Duo T5870 has 100% more physical cores and 100% more threads, and a 284.6% more advanced lithography process.
Mobile Pentium II 266PE, on the other hand, has 250% lower power consumption.
We couldn't decide between Intel Core 2 Duo T5870 and Intel Mobile Pentium II 266PE. We've got no test results to judge.
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