Celeron N4020C vs Ultra 7 255H
Aggregate performance score
Core Ultra 7 255H outperforms Celeron N4020C by a whopping 1787% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 371 | 2616 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Power efficiency | 61.44 | 15.17 |
| Designer | Intel | Intel |
| Architecture codename | Arrow Lake-H (2024−2025) | no data |
| Release date | 1 January 2025 (less than a year ago) | 1 January 2021 (4 years ago) |
| Launch price (MSRP) | $514 | no data |
Detailed specifications
Core Ultra 7 255H and Celeron N4020C 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 | 16 (Hexadeca-Core) | 2 (Dual-core) |
| Performance-cores | 6 | no data |
| Efficient-cores | 8 | no data |
| Low Power Efficient-cores | 2 | no data |
| Threads | 16 | 2 |
| Base clock speed | 4.4 GHz | 1.1 GHz |
| Boost clock speed | 5.1 GHz | 2.8 GHz |
| L3 cache | 24 MB | 4 MB |
| Chip lithography | 5 nm | 14 nm |
| Maximum core temperature | 110 °C | 105 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Core Ultra 7 255H and Celeron N4020C 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 | 1 |
| Socket | FCBGA2049 | FCBGA1090 |
| Power consumption (TDP) | 28 Watt | 6 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 7 255H and Celeron N4020C. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.2 |
| AES-NI | + | + |
| vPro | no data | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | + | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | - | - |
| Idle States | no data | + |
| Thermal Monitoring | + | + |
| Smart Response | no data | - |
| GPIO | no data | + |
| Turbo Boost Max 3.0 | + | - |
| Deep Learning Boost | + | - |
| Supported AI Software Frameworks | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN | - |
Security technologies
Core Ultra 7 255H and Celeron N4020C technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
| Secure Key | + | + |
| MPX | - | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | + | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 7 255H and Celeron N4020C are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 255H and Celeron N4020C. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-6400 | DDR4/LPDDR4 up to 2400 MT/s |
| Maximum memory size | 128 GB | 8 GB |
| Max memory channels | 2 | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® Arc™ 140T GPU | Intel UHD Graphics 600 |
| Max video memory | no data | 8 GB |
| Quick Sync Video | + | + |
| Graphics max frequency | 2.25 GHz | 650 MHz |
| Execution Units | no data | 12 |
Graphics interfaces
Available interfaces and connections of Core Ultra 7 255H and Celeron N4020C integrated GPUs.
| Number of displays supported | 4 | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| MIPI-DSI | no data | + |
Graphics image quality
Maximum display resolutions supported by Core Ultra 7 255H and Celeron N4020C integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) | 4096x2160@30Hz |
| Max resolution over eDP | 3840x2400 @ 120Hz | 4096x2160@60Hz |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | 4096x2160@60Hz |
Graphics API support
APIs supported by Core Ultra 7 255H and Celeron N4020C integrated GPUs, sometimes API versions are included.
| DirectX | 12.2 | 12 |
| OpenGL | 4.6 | 4.4 |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 7 255H and Celeron N4020C.
| PCIe version | no data | 2.0 |
| PCI Express lanes | 28 | 6 |
| PCI support | 5.0 and 4.0 | no data |
| USB revision | no data | 2.0/3.0 |
| Total number of SATA ports | no data | 2 |
| Max number of SATA 6 Gb/s Ports | no data | 2 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | - |
| UART | 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.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 17.93 | 0.95 |
| Recency | 1 January 2025 | 1 January 2021 |
| Physical cores | 16 | 2 |
| Threads | 16 | 2 |
| Chip lithography | 5 nm | 14 nm |
| Power consumption (TDP) | 28 Watt | 6 Watt |
Ultra 7 255H has a 1787.4% higher aggregate performance score, an age advantage of 4 years, 700% more physical cores and 700% more threads, and a 180% more advanced lithography process.
Celeron N4020C, on the other hand, has 366.7% lower power consumption.
The Intel Core Ultra 7 255H is our recommended choice as it beats the Intel Celeron N4020C in performance tests.
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