Atom Z550 vs Phenom II X3 P820
Aggregate performance score
Phenom II X3 P820 outperforms Atom Z550 by a whopping 329% 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 | 3081 | 3617 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 3x AMD Phenom II | Intel Atom |
| Power efficiency | 1.01 | 2.96 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Champlain (2010−2011) | Silverthorne (2008−2010) |
| Release date | 12 May 2010 (15 years ago) | 8 April 2009 (16 years ago) |
Detailed specifications
Phenom II X3 P820 and Atom Z550 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 | 3 (Tri-Core) | 1 (Single-Core) |
| Threads | 3 | 2 |
| Base clock speed | no data | 2 GHz |
| Boost clock speed | 1.8 GHz | 2 GHz |
| Bus type | no data | FSB |
| Bus rate | 3600 MHz | 533.33 MT/s |
| Multiplier | no data | 15 |
| L1 cache | 384 KB | 56 KB (per core) |
| L2 cache | 1.5 MB | 512 KB (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | no data | 26 mm2 |
| Maximum core temperature | no data | 90 °C |
| Number of transistors | no data | 47 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X3 P820 and Atom Z550 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 | S1 | PBGA441 |
| Power consumption (TDP) | 25 Watt | 2.4 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 P820 and Atom Z550. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a) | no data |
| VirusProtect | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | + |
| FSB parity | no data | - |
Security technologies
Phenom II X3 P820 and Atom Z550 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 P820 and Atom Z550 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X3 P820 and Atom Z550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | unknown |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
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.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Pros & cons summary
| Performance score | 0.60 | 0.14 |
| Recency | 12 May 2010 | 8 April 2009 |
| Physical cores | 3 | 1 |
| Threads | 3 | 2 |
| Power consumption (TDP) | 25 Watt | 2 Watt |
Phenom II X3 P820 has a 328.6% higher aggregate performance score, an age advantage of 1 year, and 200% more physical cores and 50% more threads.
Atom Z550, on the other hand, has 1150% lower power consumption.
The AMD Phenom II X3 P820 is our recommended choice as it beats the Intel Atom Z550 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.
