Phenom II X3 P820 vs Core 2 Extreme QX9770
Aggregate performance score
Core 2 Extreme QX9770 outperforms Phenom II X3 P820 by a whopping 338% 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 | 1970 | 3086 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | 3x AMD Phenom II |
| Power efficiency | 0.82 | 1.01 |
| Designer | Intel | AMD |
| Architecture codename | Yorkfield (2007−2009) | Champlain (2010−2011) |
| Release date | March 2008 (18 years ago) | 12 May 2010 (15 years ago) |
Detailed specifications
Core 2 Extreme QX9770 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 | 4 (Quad-Core) | 3 (Tri-Core) |
| Threads | 4 | 3 |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 3.2 GHz | 1.8 GHz |
| Bus rate | 1600 MHz | 3600 MHz |
| L1 cache | 64K (per core) | 384 KB |
| L2 cache | 12 MB (shared) | 1.5 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | 45 nm |
| Die size | 2x 107 mm2 | no data |
| Maximum case temperature (TCase) | 55 °C | no data |
| Number of transistors | 820 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Extreme QX9770 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 | no data |
| Socket | LGA775 | S1 |
| Power consumption (TDP) | 136 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme QX9770 and Phenom II X3 P820. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 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
Core 2 Extreme QX9770 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 Core 2 Extreme QX9770 and Phenom II X3 P820 are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9770 and Phenom II X3 P820. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3 |
Pros & cons summary
| Performance score | 2.63 | 0.60 |
| Physical cores | 4 | 3 |
| Threads | 4 | 3 |
| Power consumption (TDP) | 136 Watt | 25 Watt |
Core 2 Extreme QX9770 has a 338% higher aggregate performance score, and 33% more physical cores and 33% more threads.
Phenom II X3 P820, on the other hand, has 444% lower power consumption.
The Intel Core 2 Extreme QX9770 is our recommended choice as it beats the AMD Phenom II X3 P820 in performance tests.
Note that Core 2 Extreme QX9770 is a desktop processor while Phenom II X3 P820 is a notebook one.
Other comparisons
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