Celeron M 420 vs Pentium M 740
Primary details
Comparing Pentium M 740 and Celeron M 420 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 | Pentium M | Celeron M |
| Architecture codename | Dothan (2004−2005) | Yonah (2005−2006) |
| Release date | 19 January 2005 (19 years ago) | no data (2024 years ago) |
Detailed specifications
Pentium M 740 and Celeron M 420 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 | 1 (Single-Core) | 1 (Single-Core) |
| Threads | 1 | 1 |
| Base clock speed | 1.73 GHz | 1.6 GHz |
| Boost clock speed | 1.73 GHz | 1.6 GHz |
| Bus rate | 533 MHz | 533 MHz |
| L1 cache | 32 KB | no data |
| L2 cache | 2 MB | no data |
| L3 cache | 0 KB | 1 MB L2 KB |
| Chip lithography | 90 nm | 65 nm |
| Die size | 87 mm2 | no data |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | 144 million | no data |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.26V-1.356V | 1.0V-1.3V |
Compatibility
Information on Pentium M 740 and Celeron M 420 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 | no data |
| Socket | PPGA478, H-PBGA479 | PPGA478 |
| Power consumption (TDP) | 27 Watt | 27 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium M 740 and Celeron M 420. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | - |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | - | - |
| Demand Based Switching | - | - |
| PAE | 32 Bit | no data |
| FSB parity | - | - |
Security technologies
Pentium M 740 and Celeron M 420 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium M 740 and Celeron M 420 are enumerated here.
| VT-x | - | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium M 740 and Celeron M 420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Pros & cons summary
| Chip lithography | 90 nm | 65 nm |
Celeron M 420 has a 38.5% more advanced lithography process.
We couldn't decide between Pentium M 740 and Celeron M 420. We've got no test results to judge.
Should you still have questions on choice between Pentium M 740 and Celeron M 420, ask them in Comments section, and we shall answer.
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