Celeron M 390 vs Athlon II X4 640
Primary details
Comparing Athlon II X4 640 and Celeron M 390 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2199 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.92 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | Celeron M |
| Power efficiency | 1.40 | no data |
| Architecture codename | Propus (2009−2011) | Dothan (2004−2005) |
| Release date | 11 May 2010 (14 years ago) | no data (2024 years ago) |
| Launch price (MSRP) | $80 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon II X4 640 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 | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 3 GHz | 1.7 GHz |
| Boost clock speed | 3 GHz | 1.7 GHz |
| Bus rate | no data | 400 MHz |
| L1 cache | 128 KB (per core) | no data |
| L2 cache | 512 KB (per core) | no data |
| L3 cache | 0 KB | 1 MB L2 KB |
| Chip lithography | 45 nm | 90 nm |
| Die size | 169 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 300 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1.004V-1.292V |
Compatibility
Information on Athlon II X4 640 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.
| Number of CPUs in a configuration | 1 | no data |
| Socket | AM3 | PPGA478, H-PBGA479 |
| Power consumption (TDP) | 95 Watt | 21 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 640 and Celeron M 390. You'll probably need this information if you require some particular technology.
| 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
Athlon II X4 640 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 Athlon II X4 640 and Celeron M 390 are enumerated here.
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 640 and Celeron M 390. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Peripherals
Specifications and connection of peripherals supported by Athlon II X4 640 and Celeron M 390.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 45 nm | 90 nm |
| Power consumption (TDP) | 95 Watt | 21 Watt |
Athlon II X4 640 has 300% more physical cores and 300% more threads, and a 100% more advanced lithography process.
Celeron M 390, on the other hand, has 352.4% lower power consumption.
We couldn't decide between Athlon II X4 640 and Celeron M 390. We've got no test results to judge.
Note that Athlon II X4 640 is a desktop processor while Celeron M 390 is a notebook one.
Should you still have questions on choice between Athlon II X4 640 and Celeron M 390, ask them in Comments section, and we shall answer.
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