Atom N2800 vs Phenom II X2 N640
Aggregate performance score
Phenom II X2 N640 outperforms Atom N2800 by a whopping 221% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X2 N640 and Atom N2800 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2562 | 3149 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Phenom II | Intel Atom |
| Power efficiency | 2.45 | 3.81 |
| Architecture codename | Champlain (2010−2011) | Cedarview-M (2011−2012) |
| Release date | 1 October 2010 (14 years ago) | 1 December 2011 (13 years ago) |
| Launch price (MSRP) | no data | $47 |
Detailed specifications
Phenom II X2 N640 and Atom N2800 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 | 4 |
| Base clock speed | no data | 1.86 GHz |
| Boost clock speed | 2.9 GHz | 1.87 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 256 KB | 64 KB (per core) |
| L2 cache | 2 MB | 512K (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 32 nm |
| Die size | no data | 66 mm2 |
| Number of transistors | no data | 176 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X2 N640 and Atom N2800 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 | FCBGA559 |
| Power consumption (TDP) | 35 Watt | 6.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 N640 and Atom N2800. You'll probably need this information if you require some particular technology.
| Instruction set extensions | HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| VirusProtect | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | - |
Security technologies
Phenom II X2 N640 and Atom N2800 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 Atom N2800 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X2 N640 and Atom N2800. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | no data | 4.88 GB |
| Max memory channels | no data | 1 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Graphics Media Accelerator (GMA) 3650 (640 MHz) |
Pros & cons summary
| Performance score | 0.90 | 0.28 |
| Recency | 1 October 2010 | 1 December 2011 |
| Threads | 2 | 4 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 35 Watt | 6 Watt |
Phenom II X2 N640 has a 221.4% higher aggregate performance score.
Atom N2800, on the other hand, has an age advantage of 1 year, 100% more threads, a 40.6% more advanced lithography process, and 483.3% lower power consumption.
The Phenom II X2 N640 is our recommended choice as it beats the Atom N2800 in performance tests.
Should you still have questions on choice between Phenom II X2 N640 and Atom N2800, ask them in Comments section, and we shall answer.
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