Celeron 420 vs M 320
Primary details
Comparing Celeron M 320 and Celeron 420 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Celeron M | no data |
| Architecture codename | Banias (2003) | Conroe-L (2007−2008) |
| Release date | no data | June 2007 (17 years ago) |
| Launch price (MSRP) | no data | $23 |
Detailed specifications
Celeron M 320 and Celeron 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 | 1.3 GHz | 1.6 GHz |
| Boost clock speed | 1.3 GHz | 1.6 GHz |
| Bus rate | 400 MHz | no data |
| L1 cache | no data | 64 KB |
| L2 cache | no data | 512 KB |
| L3 cache | 512 KB L2 Cache | 0 KB |
| Chip lithography | 130 nm | 65 nm |
| Die size | no data | 77 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 60 °C |
| Number of transistors | no data | 105 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.356V | 1V-1.3375V |
Compatibility
Information on Celeron M 320 and Celeron 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 | no data | 1 |
| Socket | H-PBGA478,H-PBGA479,PPGA478 | LGA775 |
| Power consumption (TDP) | 24.5 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 320 and Celeron 420. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | - | - |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | - | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | - |
| PAE | 32 Bit | no data |
| FSB parity | - | - |
| Status | Discontinued | Discontinued |
Security technologies
Celeron M 320 and Celeron 420 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron M 320 and Celeron 420 are enumerated here.
| VT-d | no data | - |
| VT-x | - | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 320 and Celeron 420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2, DDR3 |
Pros & cons summary
| Chip lithography | 130 nm | 65 nm |
| Power consumption (TDP) | 24 Watt | 35 Watt |
Celeron M 320 has 45.8% lower power consumption.
Celeron 420, on the other hand, has a 100% more advanced lithography process.
We couldn't decide between Celeron M 320 and Celeron 420. We've got no test results to judge.
Be aware that Celeron M 320 is a notebook processor while Celeron 420 is a desktop one.
Should you still have questions on choice between Celeron M 320 and Celeron 420, ask them in Comments section, and we shall answer.
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