Ultra 7 265F vs Atom x3-C3405
Primary details
Comparing Atom x3-C3405 and Core Ultra 7 265F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | 3x Intel Atom | no data |
| Architecture codename | Silvermont (2015) | Arrow Lake-S (2024−2025) |
| Release date | no data | January 2025 |
Detailed specifications
Atom x3-C3405 and Core Ultra 7 265F 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) | 20 (Icosa-Core) |
| Threads | 4 | 20 |
| Base clock speed | 1.2 GHz | 2.4 GHz |
| Boost clock speed | 1.4 GHz | 5.3 GHz |
| L1 cache | no data | 112 KB (per core) |
| L2 cache | 2 MB | 3 MB (per core) |
| L3 cache | 0 KB | 30 MB (shared) |
| Chip lithography | 28 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
Compatibility
Information on Atom x3-C3405 and Core Ultra 7 265F 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 | 1851 |
| Power consumption (TDP) | no data | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x3-C3405 and Core Ultra 7 265F. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
| GPIO | 5 x I2C | no data |
Security technologies
Atom x3-C3405 and Core Ultra 7 265F technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| Secure Boot | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x3-C3405 and Core Ultra 7 265F are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom x3-C3405 and Core Ultra 7 265F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | 1x32 LPDDR2/3 1066 | DDR5 |
| Maximum memory size | 2 GB | no data |
| Max memory channels | 1 | no data |
| Maximum memory bandwidth | 4.2 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Graphics interfaces
Available interfaces and connections of Atom x3-C3405 and Core Ultra 7 265F integrated GPUs.
| Number of displays supported | 1 | no data |
| MIPI-DSI | + | no data |
Graphics image quality
Maximum display resolutions supported by Atom x3-C3405 and Core Ultra 7 265F integrated GPUs, including resolutions over different interfaces.
| Max resolution over eDP | 1280x800 | no data |
Graphics API support
APIs supported by Atom x3-C3405 and Core Ultra 7 265F integrated GPUs, sometimes API versions are included.
| DirectX | 9.3 | no data |
| OpenGL | ES 3.0 | no data |
Peripherals
Specifications and connection of peripherals supported by Atom x3-C3405 and Core Ultra 7 265F.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 20 |
| 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 | 20 |
| Threads | 4 | 20 |
| Chip lithography | 28 nm | 3 nm |
Ultra 7 265F has 400% more physical cores and 400% more threads, and a 833.3% more advanced lithography process.
We couldn't decide between Atom x3-C3405 and Core Ultra 7 265F. We've got no test results to judge.
Be aware that Atom x3-C3405 is a notebook processor while Core Ultra 7 265F is a desktop one.
Should you still have questions on choice between Atom x3-C3405 and Core Ultra 7 265F, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
