Athlon 64 X2 4000+ vs Phenom II X2 N640
Primary details
Comparing Phenom II X2 N640 and Athlon 64 X2 4000+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2509 | 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 | 2.45 | no data |
| Architecture codename | Champlain (2010−2011) | Windsor (2006−2007) |
| Release date | 1 October 2010 (14 years ago) | May 2006 (18 years ago) |
Detailed specifications
Phenom II X2 N640 and Athlon 64 X2 4000+ 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) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Boost clock speed | 2.9 GHz | 2 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 256 KB | 256 KB |
| L2 cache | 2 MB | 512K |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 90 nm |
| Die size | no data | 220 mm2 |
| Number of transistors | no data | 154 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X2 N640 and Athlon 64 X2 4000+ 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 | AM2 |
| Power consumption (TDP) | 35 Watt | 89 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 N640 and Athlon 64 X2 4000+. You'll probably need this information if you require some particular technology.
| Instruction set extensions | HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization | no data |
| VirusProtect | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X2 N640 and Athlon 64 X2 4000+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Chip lithography | 45 nm | 90 nm |
| Power consumption (TDP) | 35 Watt | 89 Watt |
Phenom II X2 N640 has a 100% more advanced lithography process, and 154.3% lower power consumption.
We couldn't decide between Phenom II X2 N640 and Athlon 64 X2 4000+. We've got no test results to judge.
Be aware that Phenom II X2 N640 is a notebook processor while Athlon 64 X2 4000+ is a desktop one.
Should you still have questions on choice between Phenom II X2 N640 and Athlon 64 X2 4000+, ask them in Comments section, and we shall answer.
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