Phenom II X3 P820 vs Atom Z500
Aggregate performance score
Phenom II X3 P820 outperforms Atom Z500 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 | 3584 | 3043 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Atom | 3x AMD Phenom II |
| Power efficiency | 23.14 | no data |
| Designer | Intel | AMD |
| Architecture codename | Silverthorne (2008−2010) | Champlain (2010−2011) |
| Release date | 2 April 2008 (17 years ago) | 12 May 2010 (15 years ago) |
| Launch price (MSRP) | $45 | no data |
Detailed specifications
Atom Z500 and Phenom II X3 P820 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) | 3 (Tri-Core) |
| Threads | 1 | 3 |
| Boost clock speed | 0.8 GHz | 1.8 GHz |
| Bus type | FSB | no data |
| Bus rate | 400 MT/s | 3600 MHz |
| Multiplier | 8 | no data |
| L1 cache | 56 KB | 384 KB |
| L2 cache | 512 KB | 1.5 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | 45 nm |
| Die size | 24.18 mm2 | no data |
| Maximum core temperature | 90 °C | no data |
| Number of transistors | 47 Million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.80 -1.1V | no data |
Compatibility
Information on Atom Z500 and Phenom II X3 P820 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 | S1 |
| Power consumption (TDP) | 0.65 Watt | 1.5 MB |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z500 and Phenom II X3 P820. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a) |
| 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
Atom Z500 and Phenom II X3 P820 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 Atom Z500 and Phenom II X3 P820 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 Atom Z500 and Phenom II X3 P820. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Pros & cons summary
| Performance score | 0.14 | 0.60 |
| Recency | 2 April 2008 | 12 May 2010 |
| Physical cores | 1 | 3 |
| Threads | 1 | 3 |
Phenom II X3 P820 has a 328.6% higher aggregate performance score, an age advantage of 2 years, and 200% more physical cores and 200% more threads.
The AMD Phenom II X3 P820 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.
