Athlon 650 vs Phenom II X2 X640 BE
Primary details
Comparing Phenom II X2 X640 BE and Athlon 650 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2447 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | 2x AMD Phenom II | no data |
| Power efficiency | 2.11 | no data |
| Architecture codename | Champlain (2010−2011) | Thunderbird (1999−2000) |
| Release date | 12 May 2011 (13 years ago) | 29 November 1999 (24 years ago) |
| Launch price (MSRP) | no data | $849 |
Detailed specifications
Phenom II X2 X640 BE and Athlon 650 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) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Boost clock speed | 3.2 GHz | 0.65 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 256 KB | 128 KB |
| L2 cache | 2 MB | 512 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 180 nm |
| Die size | no data | 102 mm2 |
| Maximum case temperature (TCase) | no data | 70 °C |
| Number of transistors | no data | 22 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X2 X640 BE and Athlon 650 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 | A |
| Power consumption (TDP) | 45 Watt | 30 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 X640 BE and Athlon 650. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, 3DNow!, SSE1-3A, AMD64, Enhanced Virus Protection, Virtualization | no data |
| VirusProtect | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X2 X640 BE and Athlon 650 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X2 X640 BE and Athlon 650. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Pros & cons summary
| Recency | 12 May 2011 | 29 November 1999 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 180 nm |
| Power consumption (TDP) | 45 Watt | 30 Watt |
Phenom II X2 X640 BE has an age advantage of 11 years, 100% more physical cores and 100% more threads, and a 300% more advanced lithography process.
Athlon 650, on the other hand, has 50% lower power consumption.
We couldn't decide between Phenom II X2 X640 BE and Athlon 650. We've got no test results to judge.
Be aware that Phenom II X2 X640 BE is a notebook processor while Athlon 650 is a desktop one.
Should you still have questions on choice between Phenom II X2 X640 BE and Athlon 650, ask them in Comments section, and we shall answer.
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