Atom x7809C vs Celeron 3855U
Primary details
Comparing Celeron 3855U and Atom x7809C processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2631 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | no data |
| Power efficiency | 4.86 | no data |
| Architecture codename | Skylake (2015−2016) | Amston Lake (2024) |
| Release date | 15 August 2015 (9 years ago) | 8 April 2024 (less than a year ago) |
| Launch price (MSRP) | $107 | $117 |
Detailed specifications
Celeron 3855U and Atom x7809C 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) | 8 (Octa-Core) |
| Threads | 2 | 8 |
| Base clock speed | 1.6 GHz | 2 GHz |
| Boost clock speed | 1.6 GHz | 3.6 GHz |
| Bus type | OPI | no data |
| Bus rate | 4 GT/s | no data |
| Multiplier | 16 | no data |
| L1 cache | 128 KB | 96 KB (per core) |
| L2 cache | 512 KB | 2 MB (per module) |
| L3 cache | 2 MB | 6 MB (shared) |
| Chip lithography | 14 nm | 10 nm |
| Die size | 98.57 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 1750 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Celeron 3855U and Atom x7809C 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) | 1 |
| Socket | FCBGA1356 | Intel BGA 1264 |
| Power consumption (TDP) | 15 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 3855U and Atom x7809C. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Smart Response | + | no data |
Security technologies
Celeron 3855U and Atom x7809C technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 3855U and Atom x7809C are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron 3855U and Atom x7809C. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600 | DDR4, DDR5 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 34.134 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 510 | N/A |
| Max video memory | 32 GB | no data |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 900 MHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron 3855U and Atom x7809C integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
Graphics image quality
Maximum display resolutions supported by Celeron 3855U and Atom x7809C integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 4096x2304@60Hz | no data |
| Max resolution over VGA | N/A | no data |
Graphics API support
APIs supported by Celeron 3855U and Atom x7809C integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.4 | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron 3855U and Atom x7809C.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 10 | 9 |
Pros & cons summary
| Recency | 15 August 2015 | 8 April 2024 |
| Physical cores | 2 | 8 |
| Threads | 2 | 8 |
| Chip lithography | 14 nm | 10 nm |
| Power consumption (TDP) | 15 Watt | 25 Watt |
Celeron 3855U has 66.7% lower power consumption.
Atom x7809C, on the other hand, has an age advantage of 8 years, 300% more physical cores and 300% more threads, and a 40% more advanced lithography process.
We couldn't decide between Celeron 3855U and Atom x7809C. We've got no test results to judge.
Should you still have questions on choice between Celeron 3855U and Atom x7809C, ask them in Comments section, and we shall answer.
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