Atom C3808 vs Ultra 7 155H
Primary details
Comparing Core Ultra 7 155H and Atom C3808 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 425 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Meteor Lake-H | Intel Atom |
| Power efficiency | 53.18 | no data |
| Architecture codename | Meteor Lake-H (2023) | Goldmont (2016−2017) |
| Release date | 14 December 2023 (less than a year ago) | 15 August 2017 (7 years ago) |
| Launch price (MSRP) | $503 | $369 |
Detailed specifications
Core Ultra 7 155H and Atom C3808 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) | 12 (Dodeca-Core) |
| Threads | 22 | 12 |
| Base clock speed | 3.8 GHz | 2 GHz |
| Boost clock speed | 4.8 GHz | 2 GHz |
| Multiplier | no data | 22 |
| L1 cache | 112 KB (per core) | 672 KB |
| L2 cache | 2 MB (per core) | 12 MB |
| L3 cache | 24 MB (shared) | 12 MB |
| Chip lithography | Intel 4 nm | 14 nm |
| Maximum core temperature | 110 °C | 86 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Core Ultra 7 155H and Atom C3808 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 (Uniprocessor) |
| Socket | FCBGA2049 | FCBGA1310 |
| Power consumption (TDP) | 28 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 7 155H and Atom C3808. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | no data | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | + | - |
| TSX | + | - |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Turbo Boost Max 3.0 | + | no data |
| Deep Learning Boost | + | - |
| Supported AI Software Frameworks | OpenVINO™, WindowsML, ONNX RT | - |
Security technologies
Core Ultra 7 155H and Atom C3808 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
| Secure Boot | no data | + |
| Secure Key | + | + |
| SGX | no data | - |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 7 155H and Atom C3808 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Atom C3808. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4: 2133 |
| Maximum memory size | 96 GB | 256 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | no data | 34.134 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® Arc™ graphics | no data |
| Quick Sync Video | + | - |
| Graphics max frequency | 2.25 GHz | no data |
Graphics interfaces
Available interfaces and connections of Core Ultra 7 155H and Atom C3808 integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core Ultra 7 155H and Atom C3808 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) | no data |
| Max resolution over eDP | 3840x2400 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by Core Ultra 7 155H and Atom C3808 integrated GPUs, sometimes API versions are included.
| DirectX | 12.2 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 7 155H and Atom C3808.
| PCIe version | 5.0 | 3 |
| PCI Express lanes | 8 | 16 |
| PCI support | 5.0 and 4.0 | no data |
| USB revision | no data | 3 |
| Total number of SATA ports | no data | 16 |
| Max number of SATA 6 Gb/s Ports | no data | 16 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | 4x10/2.5/1 GBE |
Pros & cons summary
| Recency | 14 December 2023 | 15 August 2017 |
| Physical cores | 16 | 12 |
| Threads | 22 | 12 |
| Power consumption (TDP) | 28 Watt | 25 Watt |
Ultra 7 155H has an age advantage of 6 years, and 33.3% more physical cores and 83.3% more threads.
Atom C3808, on the other hand, has 12% lower power consumption.
We couldn't decide between Core Ultra 7 155H and Atom C3808. We've got no test results to judge.
Be aware that Core Ultra 7 155H is a notebook processor while Atom C3808 is a server/workstation one.
Should you still have questions on choice between Core Ultra 7 155H and Atom C3808, ask them in Comments section, and we shall answer.
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