Solo U1400 vs Atom Z540
Aggregate performance score
Atom Z540 outperforms Core Solo U1400 by a whopping 175% based on our aggregate benchmark results.
Primary details
Comparing Atom Z540 and Core Solo U1400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3199 | 3398 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Atom | Core Solo |
| Power efficiency | 8.68 | 1.38 |
| Architecture codename | Silverthorne (2008−2010) | Yonah (2005−2006) |
| Release date | 2 April 2008 (16 years ago) | no data |
| Launch price (MSRP) | $160 | no data |
Detailed specifications
Atom Z540 and Core Solo U1400 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 | 1 (Single-Core) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Base clock speed | 1.86 GHz | 1.2 GHz |
| Boost clock speed | 0.07 GHz | 1.2 GHz |
| Bus type | FSB | no data |
| Bus rate | 533.33 MT/s | 533 MHz |
| Multiplier | 14 | no data |
| L1 cache | 56 KB | no data |
| L2 cache | 512 KB | no data |
| L3 cache | 0 KB | 2 MB L2 KB |
| Chip lithography | 45 nm | 65 nm |
| Die size | 24.18 mm2 | no data |
| Maximum core temperature | 90 °C | 100 °C |
| Number of transistors | 47 Million | no data |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.75 -1.1V | 0.85V - 1.1V |
Compatibility
Information on Atom Z540 and Core Solo U1400 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 | PBGA441 | PBGA479 |
| Power consumption (TDP) | 2.4 Watt | 6 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z540 and Core Solo U1400. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | + | - |
| Idle States | + | - |
| Thermal Monitoring | + | - |
| Demand Based Switching | + | - |
| PAE | no data | 32 Bit |
| FSB parity | - | - |
Security technologies
Atom Z540 and Core Solo U1400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom Z540 and Core Solo U1400 are enumerated here.
| VT-d | - | no data |
| VT-x | + | + |
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Pros & cons summary
| Performance score | 0.22 | 0.08 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 2 Watt | 6 Watt |
Atom Z540 has a 175% higher aggregate performance score, 100% more threads, a 44.4% more advanced lithography process, and 200% lower power consumption.
The Atom Z540 is our recommended choice as it beats the Core Solo U1400 in performance tests.
Should you still have questions on choice between Atom Z540 and Core Solo U1400, ask them in Comments section, and we shall answer.
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