Phenom II X3 P820 vs Core i7-2840QM
Aggregate performance score
i7-2840QM outperforms Phenom II X3 P820 by a whopping 265% based on our aggregate benchmark results.
Primary details
Comparing Core i7-2840QM and Phenom II X3 P820 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1674 | 2630 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | 3x AMD Phenom II |
| Architecture codename | Sandy Bridge (2011−2013) | Champlain (2010−2011) |
| Release date | 4 September 2011 (12 years ago) | 12 May 2010 (14 years ago) |
Detailed specifications
Core i7-2840QM 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 | 8 | 3 |
| Boost clock speed | 2.4 GHz | 1.8 GHz |
| Bus support | 4 × 5 GT/s | 3600 MHz |
| L1 cache | 256 KB | 384 KB |
| L2 cache | 1 MB | 1.5 MB |
| L3 cache | 8 MB | no data |
| Chip lithography | 32 nm | 45 nm |
| Die size | 216 mm2 | no data |
| Number of transistors | 1160 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Core i7-2840QM 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 | Socket G2 | S1 |
| Power consumption (TDP) | 45 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-2840QM and Phenom II X3 P820. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | integrated DDR3 Memory Controller, Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a) |
| AES-NI | + | no data |
| FMA | + | no data |
| AVX | + | no data |
| VirusProtect | no data | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
Security technologies
Core i7-2840QM and Phenom II X3 P820 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-2840QM and Phenom II X3 P820 are enumerated here.
| AMD-V | no data | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-2840QM and Phenom II X3 P820. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | 32 GB | no data |
| Maximum memory bandwidth | 25.598 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 3000 | no data |
Pros & cons summary
| Performance score | 2.48 | 0.68 |
| Recency | 4 September 2011 | 12 May 2010 |
| Physical cores | 4 | 3 |
| Threads | 8 | 3 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 45 Watt | 25 Watt |
The Core i7-2840QM is our recommended choice as it beats the Phenom II X3 P820 in performance tests.
Should you still have questions on choice between Core i7-2840QM and Phenom II X3 P820, ask them in Comments section, and we shall answer.
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