Ultra 7 255HX vs Celeron J3355
Primary details
Comparing Celeron J3355 and Core Ultra 7 255HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2695 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.06 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Celeron | no data |
| Power efficiency | 7.15 | no data |
| Architecture codename | Apollo Lake (2014−2016) | no data |
| Release date | 30 August 2016 (8 years ago) | 1 January 2025 (less than a year ago) |
| Launch price (MSRP) | $107 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Celeron J3355 and Core Ultra 7 255HX 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 | 2 (Dual-core) | 20 (Icosa-Core) |
| Performance-cores | no data | 8 |
| Efficient-cores | no data | 12 |
| Threads | 2 | 20 |
| Base clock speed | 2 GHz | no data |
| Boost clock speed | 2.5 GHz | 5.2 GHz |
| Multiplier | 20 | no data |
| L2 cache | 1 MB | no data |
| L3 cache | 0 KB | 30 MB |
| Chip lithography | 14 nm | no data |
| Maximum core temperature | 105 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Celeron J3355 and Core Ultra 7 255HX 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 (Uniprocessor) | no data |
| Socket | FCBGA1296 | FCBGA2114 |
| Power consumption (TDP) | 10 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron J3355 and Core Ultra 7 255HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | no data |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Smart Response | - | no data |
| GPIO | + | no data |
| Smart Connect | - | no data |
| Turbo Boost Max 3.0 | no data | + |
| HD Audio | + | no data |
| RST | - | no data |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Celeron J3355 and Core Ultra 7 255HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Boot | + | no data |
| Secure Key | + | + |
| Identity Protection | + | - |
| OS Guard | - | + |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron J3355 and Core Ultra 7 255HX are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| VT-i | - | no data |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron J3355 and Core Ultra 7 255HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR5-6400 |
| Maximum memory size | 8 GB | 192 GB |
| Max memory channels | 2 | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 500 | Intel® Graphics |
| Max video memory | 8 GB | no data |
| Quick Sync Video | + | + |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 700 MHz | 1.85 GHz |
| Execution Units | 12 | no data |
Graphics interfaces
Available interfaces and connections of Celeron J3355 and Core Ultra 7 255HX integrated GPUs.
| Number of displays supported | 3 | 4 |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| MIPI-DSI | + | no data |
Graphics image quality
Maximum display resolutions supported by Celeron J3355 and Core Ultra 7 255HX integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Celeron J3355 and Core Ultra 7 255HX integrated GPUs, sometimes API versions are included.
| DirectX | + | 12 |
| OpenGL | + | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Celeron J3355 and Core Ultra 7 255HX.
| PCIe version | 2.0 | 5.0 and 4.0 |
| PCI Express lanes | 6 | 24 |
| USB revision | 2.0/3.0 | no data |
| Total number of SATA ports | 2 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | - | no data |
| UART | + | no data |
Pros & cons summary
| Recency | 30 August 2016 | 1 January 2025 |
| Physical cores | 2 | 20 |
| Threads | 2 | 20 |
| Power consumption (TDP) | 10 Watt | 55 Watt |
Celeron J3355 has 450% lower power consumption.
Ultra 7 255HX, on the other hand, has an age advantage of 8 years, and 900% more physical cores and 900% more threads.
We couldn't decide between Celeron J3355 and Core Ultra 7 255HX. We've got no test results to judge.
Note that Celeron J3355 is a desktop processor while Core Ultra 7 255HX is a notebook one.
Should you still have questions on choice between Celeron J3355 and Core Ultra 7 255HX, ask them in Comments section, and we shall answer.
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