Phenom II X4 965 BE (125W) vs Phenom II X2 X640 BE
Aggregate performance score
Phenom II X4 965 BE (125W) outperforms Phenom II X2 X640 BE by an impressive 58% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X2 X640 BE and Phenom II X4 965 BE (125W) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2466 | 2102 |
| 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 | 1.21 |
| Architecture codename | Champlain (2010−2011) | Deneb (2009−2011) |
| Release date | 12 May 2011 (13 years ago) | 7 November 2009 (15 years ago) |
Detailed specifications
Phenom II X2 X640 BE and Phenom II X4 965 BE (125W) 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 | 4 |
| Base clock speed | no data | 3.4 GHz |
| Boost clock speed | 3.2 GHz | 3.4 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 256 KB | 128 KB (per core) |
| L2 cache | 2 MB | 512 KB (per core) |
| L3 cache | no data | 6 MB (shared) |
| Chip lithography | 45 nm | 45 nm |
| Die size | no data | 258 mm2 |
| Number of transistors | no data | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Phenom II X2 X640 BE and Phenom II X4 965 BE (125W) 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 | AM3 |
| Power consumption (TDP) | 45 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 X640 BE and Phenom II X4 965 BE (125W). 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 Phenom II X4 965 BE (125W) are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X2 X640 BE and Phenom II X4 965 BE (125W). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Phenom II X2 X640 BE and Phenom II X4 965 BE (125W).
| PCIe version | no data | 2.0 |
Pros & cons summary
| Performance score | 1.01 | 1.60 |
| Recency | 12 May 2011 | 7 November 2009 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Power consumption (TDP) | 45 Watt | 125 Watt |
Phenom II X2 X640 BE has an age advantage of 1 year, and 177.8% lower power consumption.
Phenom II X4 965 BE (125W), on the other hand, has a 58.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.
The Phenom II X4 965 BE (125W) is our recommended choice as it beats the Phenom II X2 X640 BE in performance tests.
Be aware that Phenom II X2 X640 BE is a notebook processor while Phenom II X4 965 BE (125W) is a desktop one.
Should you still have questions on choice between Phenom II X2 X640 BE and Phenom II X4 965 BE (125W), ask them in Comments section, and we shall answer.
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