Ultra 7 256V vs Celeron M 420
Primary details
Comparing Celeron M 420 and Core Ultra 7 256V processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 630 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Celeron M | no data |
| Power efficiency | no data | 67.21 |
| Architecture codename | Yonah (2005−2006) | Lunar Lake (2024) |
| Release date | no data (2024 years ago) | 24 September 2024 (less than a year ago) |
Detailed specifications
Celeron M 420 and Core Ultra 7 256V 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) | 8 (Octa-Core) |
| Threads | 1 | 8 |
| Base clock speed | 1.6 GHz | 2.2 GHz |
| Boost clock speed | 1.6 GHz | 4.8 GHz |
| Bus rate | 533 MHz | 37 MHz |
| L1 cache | no data | 192 KB (per core) |
| L2 cache | no data | 2.5 MB (per core) |
| L3 cache | 1 MB L2 KB | 12 MB (shared) |
| Chip lithography | 65 nm | 3 nm |
| Maximum core temperature | 100 °C | 100 °C |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
| VID voltage range | 1.0V-1.3V | no data |
Compatibility
Information on Celeron M 420 and Core Ultra 7 256V 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 | PPGA478 | Intel BGA 2833 |
| Power consumption (TDP) | 27 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 420 and Core Ultra 7 256V. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | - | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| TSX | - | + |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Celeron M 420 and Core Ultra 7 256V technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron M 420 and Core Ultra 7 256V are enumerated here.
| VT-d | no data | + |
| VT-x | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 420 and Core Ultra 7 256V. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Arc 140V |
Peripherals
Specifications and connection of peripherals supported by Celeron M 420 and Core Ultra 7 256V.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 4 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Physical cores | 1 | 8 |
| Threads | 1 | 8 |
| Chip lithography | 65 nm | 3 nm |
| Power consumption (TDP) | 27 Watt | 17 Watt |
Ultra 7 256V has 700% more physical cores and 700% more threads, a 2066.7% more advanced lithography process, and 58.8% lower power consumption.
We couldn't decide between Celeron M 420 and Core Ultra 7 256V. We've got no test results to judge.
Should you still have questions on choice between Celeron M 420 and Core Ultra 7 256V, ask them in Comments section, and we shall answer.
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