Ultra 7 256V vs Atom x3-C3405
Primary details
Comparing Atom x3-C3405 and Core Ultra 7 256V processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 618 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 3x Intel Atom | no data |
| Power efficiency | no data | 69.93 |
| Architecture codename | Silvermont (2015) | Lunar Lake (2024) |
| Release date | no data | 24 September 2024 (less than a year ago) |
Detailed specifications
Atom x3-C3405 and Core Ultra 7 256V 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 | 4 (Quad-Core) | 8 (Octa-Core) |
| Performance-cores | no data | 4 |
| Low Power Efficient-cores | no data | 4 |
| Threads | 4 | 8 |
| Base clock speed | 1.2 GHz | 2.2 GHz |
| Boost clock speed | 1.4 GHz | 4.8 GHz |
| Bus rate | no data | 37 MHz |
| L1 cache | no data | 192 KB (per core) |
| L2 cache | 2 MB | 2.5 MB (per core) |
| L3 cache | 0 KB | 12 MB (shared) |
| Chip lithography | 28 nm | 3 nm |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | + | + |
Compatibility
Information on Atom x3-C3405 and Core Ultra 7 256V 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 | no data | FCBGA2833 |
| Power consumption (TDP) | no data | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x3-C3405 and Core Ultra 7 256V. 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 | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | - |
| TSX | - | + |
| Thermal Monitoring | - | + |
| GPIO | 5 x I2C | no data |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Atom x3-C3405 and Core Ultra 7 256V technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Boot | + | no data |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x3-C3405 and Core Ultra 7 256V are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom x3-C3405 and Core Ultra 7 256V. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | 1x32 LPDDR2/3 1066 | DDR5 |
| Maximum memory size | 2 GB | 16 GB |
| Max memory channels | 1 | 2 |
| Maximum memory bandwidth | 4.2 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Arc Graphics 140V |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.95 GHz |
Graphics interfaces
Available interfaces and connections of Atom x3-C3405 and Core Ultra 7 256V integrated GPUs.
| Number of displays supported | 1 | 3 |
| MIPI-DSI | + | no data |
Graphics image quality
Maximum display resolutions supported by Atom x3-C3405 and Core Ultra 7 256V integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | 1280x800 | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Atom x3-C3405 and Core Ultra 7 256V integrated GPUs, sometimes API versions are included.
| DirectX | 9.3 | 12.2 |
| OpenGL | ES 3.0 | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Atom x3-C3405 and Core Ultra 7 256V.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 4 |
| PCI support | no data | 5.0 and 4.0 |
| USB revision | 2.0 OTG | no data |
| Number of USB ports | 1 | no data |
| UART | 7 x USIF configurable | no data |
Pros & cons summary
| Physical cores | 4 | 8 |
| Threads | 4 | 8 |
| Chip lithography | 28 nm | 3 nm |
Ultra 7 256V has 100% more physical cores and 100% more threads, and a 833.3% more advanced lithography process.
We couldn't decide between Atom x3-C3405 and Core Ultra 7 256V. We've got no test results to judge.
Should you still have questions on choice between Atom x3-C3405 and Core Ultra 7 256V, ask them in Comments section, and we shall answer.
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