Ultra 7 255U vs Atom x5-E8000
Aggregate performance score
Core Ultra 7 255U outperforms Atom x5-E8000 by a whopping 1957% based on our aggregate benchmark results.
Primary details
Comparing Atom x5-E8000 and Core Ultra 7 255U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2866 | 660 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 5x Intel Atom | no data |
| Power efficiency | 11.43 | 20.62 |
| Designer | Intel | Intel |
| Architecture codename | Cherry Trail (2015−2016) | no data |
| Release date | 8 February 2016 (9 years ago) | 1 January 2025 (less than a year ago) |
| Launch price (MSRP) | $39 | no data |
Detailed specifications
Atom x5-E8000 and Core Ultra 7 255U 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) | 12 (Dodeca-Core) |
| Performance-cores | no data | 2 |
| Efficient-cores | no data | 8 |
| Low Power Efficient-cores | no data | 2 |
| Threads | 4 | 14 |
| Boost clock speed | 1.04 GHz | 5.2 GHz |
| Multiplier | 10 | no data |
| L2 cache | 2 MB | no data |
| L3 cache | 0 KB | 12 MB |
| Chip lithography | 14 nm | Intel 3 nm |
| Maximum core temperature | 90 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Atom x5-E8000 and Core Ultra 7 255U 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 | no data | FCBGA2049 |
| Power consumption (TDP) | 5 Watt | 57 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x5-E8000 and Core Ultra 7 255U. 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 | + |
| Hyper-Threading Technology | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, ONNX RT |
Security technologies
Atom x5-E8000 and Core Ultra 7 255U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x5-E8000 and Core Ultra 7 255U 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 x5-E8000 and Core Ultra 7 255U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-6400 |
| Maximum memory size | 8 GB | 128 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics (Cherry Trail) (320 MHz) | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 2.1 GHz |
Graphics interfaces
Available interfaces and connections of Atom x5-E8000 and Core Ultra 7 255U integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Atom x5-E8000 and Core Ultra 7 255U 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 | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Atom x5-E8000 and Core Ultra 7 255U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.2 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Atom x5-E8000 and Core Ultra 7 255U.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 4 | 20 |
| PCI support | no data | 4.0 |
Synthetic benchmark performance
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.
Pros & cons summary
| Performance score | 0.60 | 12.34 |
| Recency | 8 February 2016 | 1 January 2025 |
| Physical cores | 4 | 12 |
| Threads | 4 | 14 |
| Power consumption (TDP) | 5 Watt | 57 Watt |
Atom x5-E8000 has 1040% lower power consumption.
Ultra 7 255U, on the other hand, has a 1956.7% higher aggregate performance score, an age advantage of 8 years, and 200% more physical cores and 250% more threads.
The Intel Core Ultra 7 255U is our recommended choice as it beats the Intel Atom x5-E8000 in performance tests.
Other comparisons
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