Pentium E6600 vs Phenom II X3 P820
Aggregate performance score
Pentium E6600 outperforms Phenom II X3 P820 by a small 6% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X3 P820 and Pentium E6600 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2721 | 2679 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.02 |
| Market segment | Laptop | Desktop processor |
| Series | 3x AMD Phenom II | no data |
| Power efficiency | 2.52 | 1.02 |
| Architecture codename | Champlain (2010−2011) | Wolfdale (2008−2010) |
| Release date | 12 May 2010 (14 years ago) | 17 January 2010 (14 years ago) |
| Launch price (MSRP) | no data | $16 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Phenom II X3 P820 and Pentium E6600 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) | 2 (Dual-core) |
| Threads | 3 | 2 |
| Base clock speed | no data | 3.06 GHz |
| Boost clock speed | 1.8 GHz | 0.07 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 384 KB | 64 KB (per core) |
| L2 cache | 1.5 MB | 2 MB (shared) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | no data | 82 mm2 |
| Maximum core temperature | no data | 74 °C |
| Number of transistors | no data | 228 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.85V – 1.3625V |
Compatibility
Information on Phenom II X3 P820 and Pentium E6600 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 | LGA775 |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 P820 and Pentium E6600. 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 | - |
Security technologies
Phenom II X3 P820 and Pentium E6600 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 Pentium E6600 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 Pentium E6600. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X3 P820 and Pentium E6600.
| PCIe version | no data | 2.0 |
Pros & cons summary
| Performance score | 0.69 | 0.73 |
| Recency | 12 May 2010 | 17 January 2010 |
| Physical cores | 3 | 2 |
| Threads | 3 | 2 |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Phenom II X3 P820 has an age advantage of 3 months, 50% more physical cores and 50% more threads, and 160% lower power consumption.
Pentium E6600, on the other hand, has a 5.8% higher aggregate performance score.
Given the minimal performance differences, no clear winner can be declared between Phenom II X3 P820 and Pentium E6600.
Be aware that Phenom II X3 P820 is a notebook processor while Pentium E6600 is a desktop one.
Should you still have questions on choice between Phenom II X3 P820 and Pentium E6600, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
