Phenom II X3 P820 vs i3-2100
Aggregate performance score
Core i3-2100 outperforms Phenom II X3 P820 by an impressive 77% based on our aggregate benchmark results.
Primary details
Comparing Core i3-2100 and Phenom II X3 P820 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2356 | 2738 |
| Place by popularity | 100 | not in top-100 |
| Cost-effectiveness evaluation | 0.28 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | 3x AMD Phenom II |
| Power efficiency | 1.70 | 2.50 |
| Architecture codename | Sandy Bridge (2011−2013) | Champlain (2010−2011) |
| Release date | 20 February 2011 (13 years ago) | 12 May 2010 (14 years ago) |
| Launch price (MSRP) | $73 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i3-2100 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 | 2 (Dual-core) | 3 (Tri-Core) |
| Threads | 4 | 3 |
| Base clock speed | 3.1 GHz | no data |
| Boost clock speed | 3.1 GHz | 1.8 GHz |
| Bus rate | 5 GT/s | 3600 MHz |
| L1 cache | 64 KB (per core) | 384 KB |
| L2 cache | 256 KB (per core) | 1.5 MB |
| L3 cache | 3 MB (shared) | no data |
| Chip lithography | 32 nm | 45 nm |
| Die size | 131 mm2 | no data |
| Maximum core temperature | 69 °C | no data |
| Number of transistors | 504 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i3-2100 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 | FCLGA1155 | S1 |
| Power consumption (TDP) | 65 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i3-2100 and Phenom II X3 P820. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX | 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 | + | - |
| Flex Memory Access | + | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Core i3-2100 and Phenom II X3 P820 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Identity Protection | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i3-2100 and Phenom II X3 P820 are enumerated here.
| AMD-V | - | + |
| VT-d | - | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i3-2100 and Phenom II X3 P820. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 2000 | no data |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.1 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i3-2100 and Phenom II X3 P820 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i3-2100 and Phenom II X3 P820.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Performance score | 1.17 | 0.66 |
| Recency | 20 February 2011 | 12 May 2010 |
| Physical cores | 2 | 3 |
| Threads | 4 | 3 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 25 Watt |
i3-2100 has a 77.3% higher aggregate performance score, an age advantage of 9 months, 33.3% more threads, and a 40.6% more advanced lithography process.
Phenom II X3 P820, on the other hand, has 50% more physical cores, and 160% lower power consumption.
The Core i3-2100 is our recommended choice as it beats the Phenom II X3 P820 in performance tests.
Note that Core i3-2100 is a desktop processor while Phenom II X3 P820 is a notebook one.
Should you still have questions on choice between Core i3-2100 and Phenom II X3 P820, ask them in Comments section, and we shall answer.
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