Atom E660 vs Phenom II X3 P820
Aggregate performance score
Phenom II X3 P820 outperforms Atom E660 by a whopping 300% 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 | 3073 | 3590 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 3x AMD Phenom II | no data |
| Power efficiency | 1.01 | 2.11 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Champlain (2010−2011) | Tunnel Creek (2010) |
| Release date | 12 May 2010 (15 years ago) | 14 September 2010 (15 years ago) |
| Launch price (MSRP) | no data | $54 |
Detailed specifications
Phenom II X3 P820 and Atom E660 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 |
| Boost clock speed | 1.8 GHz | 1.3 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 384 KB | 64 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 |
| Number of transistors | no data | 47 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X3 P820 and Atom E660 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 |
| Socket | S1 | Intel BGA 676 |
| Power consumption (TDP) | 25 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 P820 and Atom E660. 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 | + |
| Hyper-Threading Technology | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 P820 and Atom E660 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X3 P820 and Atom E660. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel GMA 600 |
Pros & cons summary
| Performance score | 0.60 | 0.15 |
| Recency | 12 May 2010 | 14 September 2010 |
| Physical cores | 3 | 1 |
| Threads | 3 | 2 |
| Power consumption (TDP) | 25 Watt | 3 Watt |
Phenom II X3 P820 has a 300% higher aggregate performance score, and 200% more physical cores and 50% more threads.
Atom E660, on the other hand, has an age advantage of 4 months, and 733.3% lower power consumption.
The AMD Phenom II X3 P820 is our recommended choice as it beats the Intel Atom E660 in performance tests.
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