Celeron 4205U vs M 420
Primary details
Comparing Celeron M 420 and Celeron 4205U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 2444 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Celeron M | Intel Celeron |
| Architecture codename | Yonah (2005−2006) | Whiskey Lake-U (2018−2019) |
| Release date | no data | 23 January 2019 (5 years ago) |
| Launch price (MSRP) | no data | $107 |
| Current price | $145 | $452 (4.2x MSRP) |
Detailed specifications
Celeron M 420 and Celeron 4205U 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) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Base clock speed | 1.6 GHz | 1.8 GHz |
| Boost clock speed | 1.6 GHz | 1.8 GHz |
| Bus support | 533 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 256 KB (per core) |
| L3 cache | 1 MB L2 KB | 2 MB (shared) |
| Chip lithography | 65 nm | 14 nm |
| Maximum core temperature | 100 °C | 100 °C |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | No |
| VID voltage range | 1.0V-1.3V | no data |
Compatibility
Information on Celeron M 420 and Celeron 4205U 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 | FCBGA1528 |
| Power consumption (TDP) | 27 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 420 and Celeron 4205U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | no data | + |
| Enhanced SpeedStep (EIST) | - | + |
| Speed Shift | no data | + |
| My WiFi | no data | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| TSX | no data | - |
| Idle States | - | + |
| Thermal Monitoring | no data | + |
| Flex Memory Access | no data | + |
| Smart Response | no data | + |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
| Status | Discontinued | Discontinued |
Security technologies
Celeron M 420 and Celeron 4205U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | no data | + |
| Identity Protection | no data | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron M 420 and Celeron 4205U are enumerated here.
| VT-d | no data | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 420 and Celeron 4205U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3, DDR4 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 37.5 GB/s |
| ECC memory support | no data | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® UHD Graphics for 8th Generation Intel® Processors |
| Max video memory | no data | 32 GB |
| Quick Sync Video | no data | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 900 MHz |
Graphics interfaces
Available interfaces and connections of Celeron M 420 and Celeron 4205U integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | no data | + |
| HDMI | no data | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Celeron M 420 and Celeron 4205U integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2304@24Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 4096x2304@60Hz |
Graphics API support
APIs supported by Celeron M 420 and Celeron 4205U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Celeron M 420 and Celeron 4205U.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 12 |
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.
Benchmark coverage: 68%
4205U outperforms M 420 by 885% in Passmark.
Pros & cons summary
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 27 Watt | 15 Watt |
We couldn't decide between Celeron M 420 and Celeron 4205U. We've got no test results to judge.
Should you still have questions on choice between Celeron M 420 and Celeron 4205U, ask them in Comments section, and we shall answer.
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