Phenom II X2 N640 vs Celeron M 585
Aggregate performance score
Phenom II X2 N640 outperforms Celeron M 585 by a whopping 112% based on our aggregate benchmark results.
Primary details
Comparing Celeron M 585 and Phenom II X2 N640 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2977 | 2545 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron M | 2x AMD Phenom II |
| Power efficiency | 1.31 | 2.45 |
| Architecture codename | Merom (2006−2008) | Champlain (2010−2011) |
| Release date | 20 August 2008 (16 years ago) | 1 October 2010 (14 years ago) |
| Launch price (MSRP) | $70 | no data |
Detailed specifications
Celeron M 585 and Phenom II X2 N640 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Boost clock speed | 2.16 GHz | 2.9 GHz |
| Bus rate | 667 MHz | 3600 MHz |
| L1 cache | no data | 256 KB |
| L2 cache | 1 MB | 2 MB |
| Chip lithography | 65 nm | 45 nm |
| Die size | 143 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 291 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron M 585 and Phenom II X2 N640 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 | PPGA478 | S1 |
| Power consumption (TDP) | 31 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 585 and Phenom II X2 N640. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization |
| VirusProtect | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 585 and Phenom II X2 N640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Pros & cons summary
| Performance score | 0.43 | 0.91 |
| Recency | 20 August 2008 | 1 October 2010 |
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 31 Watt | 35 Watt |
Celeron M 585 has 12.9% lower power consumption.
Phenom II X2 N640, on the other hand, has a 111.6% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
The Phenom II X2 N640 is our recommended choice as it beats the Celeron M 585 in performance tests.
Should you still have questions on choice between Celeron M 585 and Phenom II X2 N640, ask them in Comments section, and we shall answer.
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