Atom N270 vs Athlon II X4 640
Primary details
Comparing Athlon II X4 640 and Atom N270 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2198 | 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 | Intel Atom |
| Power efficiency | 1.40 | no data |
| Architecture codename | Propus (2009−2011) | DiamondVille (2008−2009) |
| Release date | 11 May 2010 (14 years ago) | 2 April 2008 (16 years ago) |
| Launch price (MSRP) | $80 | $44 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon II X4 640 and Atom N270 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 | 2 |
| Base clock speed | 3 GHz | 1.6 GHz |
| Boost clock speed | 3 GHz | 0.1 GHz |
| Bus type | no data | FSB |
| Bus rate | no data | 533.33 MT/s |
| Multiplier | no data | 12 |
| L1 cache | 128 KB (per core) | 56 KB |
| L2 cache | 512 KB (per core) | 512 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 169 mm2 | 25.9638 mm2 |
| Maximum core temperature | no data | 90 °C |
| Number of transistors | 300 million | 47 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.9V-1.1625V |
Compatibility
Information on Athlon II X4 640 and Atom N270 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 | 1 (Uniprocessor) |
| Socket | AM3 | PBGA437 |
| Power consumption (TDP) | 95 Watt | 2.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 640 and Atom N270. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | - |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | - |
| FSB parity | no data | - |
Security technologies
Athlon II X4 640 and Atom N270 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 Atom N270 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 640 and Atom N270. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | no data | 8 GB |
Peripherals
Specifications and connection of peripherals supported by Athlon II X4 640 and Atom N270.
| PCIe version | 2.0 | 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.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Recency | 11 May 2010 | 2 April 2008 |
| Physical cores | 4 | 1 |
| Threads | 4 | 2 |
| Power consumption (TDP) | 95 Watt | 2 Watt |
Athlon II X4 640 has an age advantage of 2 years, and 300% more physical cores and 100% more threads.
Atom N270, on the other hand, has 4650% lower power consumption.
We couldn't decide between Athlon II X4 640 and Atom N270. We've got no test results to judge.
Note that Athlon II X4 640 is a desktop processor while Atom N270 is a notebook one.
Should you still have questions on choice between Athlon II X4 640 and Atom N270, ask them in Comments section, and we shall answer.
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