Celeron M 390 vs Phenom II X2 N640
Aggregate performance score
Phenom II X2 N640 outperforms Celeron M 390 by a whopping 406% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X2 N640 and Celeron M 390 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2546 | 3259 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Phenom II | Celeron M |
| Power efficiency | 2.46 | 0.81 |
| Architecture codename | Champlain (2010−2011) | Dothan (2004−2005) |
| Release date | 1 October 2010 (14 years ago) | no data |
Detailed specifications
Phenom II X2 N640 and Celeron M 390 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 |
| Base clock speed | no data | 1.7 GHz |
| Boost clock speed | 2.9 GHz | 1.7 GHz |
| Bus rate | 3600 MHz | 400 MHz |
| L1 cache | 256 KB | no data |
| L2 cache | 2 MB | no data |
| L3 cache | no data | 1 MB L2 KB |
| Chip lithography | 45 nm | 90 nm |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1.004V-1.292V |
Compatibility
Information on Phenom II X2 N640 and Celeron M 390 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.
| Socket | S1 | PPGA478, H-PBGA479 |
| Power consumption (TDP) | 35 Watt | 21 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 N640 and Celeron M 390. 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 | + | - |
| Enhanced SpeedStep (EIST) | no data | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | - |
| Demand Based Switching | no data | - |
| PAE | no data | 32 Bit |
| FSB parity | no data | - |
Security technologies
Phenom II X2 N640 and Celeron M 390 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 N640 and Celeron M 390 are enumerated here.
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X2 N640 and Celeron M 390. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Pros & cons summary
| Performance score | 0.91 | 0.18 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 90 nm |
| Power consumption (TDP) | 35 Watt | 21 Watt |
Phenom II X2 N640 has a 405.6% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 100% more advanced lithography process.
Celeron M 390, on the other hand, has 66.7% lower power consumption.
The Phenom II X2 N640 is our recommended choice as it beats the Celeron M 390 in performance tests.
Should you still have questions on choice between Phenom II X2 N640 and Celeron M 390, ask them in Comments section, and we shall answer.
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