Atom Z520 vs Celeron 220
Aggregate performance score
Celeron 220 outperforms Atom Z520 by an impressive 71% 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 | 3654 | 3712 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | 0.27 | 1.48 |
| Designer | Intel | Intel |
| Architecture codename | Conroe (2006−2007) | Silverthorne (2008−2010) |
| Release date | October 2007 (18 years ago) | 2 April 2008 (17 years ago) |
| Launch price (MSRP) | no data | $65 |
Detailed specifications
Celeron 220 and Atom Z520 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 | 1 | 2 |
| Base clock speed | 1.2 GHz | 1.33 GHz |
| Boost clock speed | 1.2 GHz | 0.03 GHz |
| Bus type | no data | FSB |
| Bus rate | 533 MHz | 533.33 MT/s |
| Multiplier | no data | 10 |
| L1 cache | 64 KB | 56 KB |
| L2 cache | 512 KB | 512 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 45 nm |
| Die size | 77 mm2 | 24.18 mm2 |
| Maximum core temperature | 100 °C | 90 °C |
| Number of transistors | 105 million | 47 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 1V-1.3375V | 0.75-1.1V |
Compatibility
Information on Celeron 220 and Atom Z520 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 | 1 (Uniprocessor) |
| Socket | PBGA479 | PBGA441 |
| Power consumption (TDP) | 19 Watt | 2 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 220 and Atom Z520. 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 220 and Atom Z520 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 220 and Atom Z520 are enumerated here.
| VT-d | - | - |
| VT-x | - | + |
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.
Pros & cons summary
| Performance score | 0.12 | 0.07 |
| Threads | 1 | 2 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 19 Watt | 2 Watt |
Celeron 220 has a 71.4% higher aggregate performance score.
Atom Z520, on the other hand, has 100% more threads, a 44.4% more advanced lithography process, and 850% lower power consumption.
The Intel Celeron 220 is our recommended choice as it beats the Intel Atom Z520 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.
