Ultra 7 355 vs Atom x7-Z8700
Aggregate performance score
Core Ultra 7 355 outperforms Atom x7-Z8700 by a whopping 1404% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2923 | 814 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 7x Intel Atom | no data |
| Power efficiency | no data | 19.29 |
| Designer | Intel | Intel |
| Architecture codename | Cherry Trail (2015−2016) | Panther Lake (2026) |
| Release date | 2 March 2015 (11 years ago) | no data |
Detailed specifications
Atom x7-Z8700 and Core Ultra 7 355 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 | 1.6 GHz | 1.7 GHz |
| Boost clock speed | 2.4 GHz | 4.7 GHz |
| Multiplier | 16 | no data |
| L2 cache | 2 MB | no data |
| L3 cache | 0 KB | 12 MB Intel® Smart Cache |
| Chip lithography | 14 nm | no data |
| Maximum core temperature | 90 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Atom x7-Z8700 and Core Ultra 7 355 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 | UTFCBGA1380 | FCBGA2540 |
| Power consumption (TDP) | no data | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x7-Z8700 and Core Ultra 7 355. 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) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Atom x7-Z8700 and Core Ultra 7 355 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Boot | + | no data |
| Identity Protection | + | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x7-Z8700 and Core Ultra 7 355 are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom x7-Z8700 and Core Ultra 7 355. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | LPDDR5X-7467, DDR5-6400 |
| Maximum memory size | 8 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics (Cherry Trail) (200 - 600 MHz) | Intel® Graphics |
| Max video memory | 8 GB | no data |
| Quick Sync Video | - | + |
| Graphics max frequency | 600 MHz | 2.5 GHz |
| Execution Units | 16 | no data |
Graphics interfaces
Available interfaces and connections of Atom x7-Z8700 and Core Ultra 7 355 integrated GPUs.
| Number of displays supported | 3 | 4 |
Graphics image quality
Maximum display resolutions supported by Atom x7-Z8700 and Core Ultra 7 355 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 3840x2160 | no data |
| Max resolution over eDP | 2560x1600 | 3840 x 2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Atom x7-Z8700 and Core Ultra 7 355 integrated GPUs, sometimes API versions are included.
| DirectX | no data | DirectX 12 Ultimate |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Atom x7-Z8700 and Core Ultra 7 355.
| PCIe version | 2.0 | 5.0 and 4.0 |
| PCI Express lanes | 2 | 12 |
| USB revision | 3.0 | no data |
| Number of USB ports | 3 | no data |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Pros & cons summary
| Performance score | 0.76 | 11.43 |
| Physical cores | 4 | 8 |
| Threads | 4 | 8 |
Ultra 7 355 has a 1404% higher aggregate performance score, and 100% more physical cores and 100% more threads.
The Intel Core Ultra 7 355 is our recommended choice as it beats the Intel Atom x7-Z8700 in performance tests.
Other comparisons
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