i7-820QM vs Phenom II X2 X640 BE
Aggregate performance score
Core i7-820QM outperforms Phenom II X2 X640 BE by a moderate 11% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X2 X640 BE and Core i7-820QM processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2455 | 2394 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Phenom II | Intel Core i7 |
| Power efficiency | 2.12 | 2.36 |
| Architecture codename | Champlain (2010−2011) | Clarksfield (2009−2010) |
| Release date | 12 May 2011 (13 years ago) | 24 June 2009 (15 years ago) |
| Launch price (MSRP) | no data | $546 |
Detailed specifications
Phenom II X2 X640 BE and Core i7-820QM 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) | 4 (Quad-Core) |
| Threads | 2 | 8 |
| Base clock speed | no data | 1.73 GHz |
| Boost clock speed | 3.2 GHz | 3.06 GHz |
| Bus type | no data | DMI 1.0 |
| Bus rate | 3600 MHz | 2.5 GT/s |
| Multiplier | no data | 13 |
| L1 cache | 256 KB | 256 KB |
| L2 cache | 2 MB | 1 MB |
| L3 cache | no data | 8 MB (shared) |
| Chip lithography | 45 nm | 45 nm |
| Die size | no data | 296 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | no data | 774 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X2 X640 BE and Core i7-820QM 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 (Uniprocessor) |
| Socket | S1 | FCPGA988,PGA988 |
| Power consumption (TDP) | 45 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 X640 BE and Core i7-820QM. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, 3DNow!, SSE1-3A, AMD64, Enhanced Virus Protection, Virtualization | Intel® SSE4.2 |
| VirusProtect | + | - |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 1.0 |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| PAE | no data | 36 Bit |
Security technologies
Phenom II X2 X640 BE and Core i7-820QM 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 X2 X640 BE and Core i7-820QM 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 Phenom II X2 X640 BE and Core i7-820QM. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-1066, DDR3-1333 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | None |
Peripherals
Specifications and connection of peripherals supported by Phenom II X2 X640 BE and Core i7-820QM.
| PCIe version | no data | 2 |
| PCI Express lanes | no data | 16 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Pros & cons summary
| Performance score | 1.01 | 1.12 |
| Recency | 12 May 2011 | 24 June 2009 |
| Physical cores | 2 | 4 |
| Threads | 2 | 8 |
Phenom II X2 X640 BE has an age advantage of 1 year.
i7-820QM, on the other hand, has a 10.9% higher aggregate performance score, and 100% more physical cores and 300% more threads.
The Core i7-820QM is our recommended choice as it beats the Phenom II X2 X640 BE in performance tests.
Should you still have questions on choice between Phenom II X2 X640 BE and Core i7-820QM, ask them in Comments section, and we shall answer.
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