Atom Z500 vs Celeron 540
Aggregate performance score
Celeron 540 outperforms Atom Z500 by a significant 21% 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 | 3556 | 3616 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | 0.24 | 9.10 |
| Designer | Intel | Intel |
| Architecture codename | no data | Silverthorne (2008−2010) |
| Release date | 1 July 2007 (18 years ago) | 2 April 2008 (17 years ago) |
| Launch price (MSRP) | no data | $45 |
Detailed specifications
Celeron 540 and Atom Z500 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 | no data | 1 (Single-Core) |
| Threads | no data | 1 |
| Base clock speed | 1.86 GHz | no data |
| Boost clock speed | no data | 0.8 GHz |
| Bus type | no data | FSB |
| Bus rate | no data | 400 MT/s |
| Multiplier | no data | 8 |
| L1 cache | no data | 56 KB |
| L2 cache | no data | 512 KB |
| L3 cache | 1 MB L2 Cache | 0 KB |
| Chip lithography | 65 nm | 45 nm |
| Die size | no data | 24.18 mm2 |
| Maximum core temperature | 100 °C | 90 °C |
| Number of transistors | no data | 47 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.95V-1.3V | 0.80 -1.1V |
Compatibility
Information on Celeron 540 and Atom Z500 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 (Uniprocessor) |
| Socket | PPGA478 | PBGA441 |
| Power consumption (TDP) | 30 Watt | 0.65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 540 and Atom Z500. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | - | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | + |
| Idle States | - | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | + |
| FSB parity | - | - |
Security technologies
Celeron 540 and Atom Z500 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 540 and Atom Z500 are enumerated here.
| VT-d | no data | - |
| VT-x | - | - |
Pros & cons summary
| Performance score | 0.17 | 0.14 |
| Recency | 1 July 2007 | 2 April 2008 |
| Chip lithography | 65 nm | 45 nm |
Celeron 540 has a 21.4% higher aggregate performance score.
Atom Z500, on the other hand, has an age advantage of 9 months, and a 44.4% more advanced lithography process.
The Intel Celeron 540 is our recommended choice as it beats the Intel Atom Z500 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
