Athlon II M340 vs Atom N2800
Aggregate performance score
Athlon II M340 outperforms Atom N2800 by an impressive 82% based on our aggregate benchmark results.
Primary details
Comparing Atom N2800 and Athlon II M340 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3133 | 2885 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Atom | AMD Athlon II |
| Power efficiency | 3.78 | 1.38 |
| Architecture codename | Cedarview-M (2011−2012) | Caspian (2009) |
| Release date | 1 December 2011 (13 years ago) | 10 September 2009 (15 years ago) |
| Launch price (MSRP) | $47 | no data |
Detailed specifications
Atom N2800 and Athlon II M340 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 | 4 | 2 |
| Base clock speed | 1.86 GHz | no data |
| Boost clock speed | 1.87 GHz | 2.2 GHz |
| Bus rate | no data | 3200 MHz |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 512K (per core) | 1 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 32 nm | 45 nm |
| Die size | 66 mm2 | no data |
| Number of transistors | 176 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom N2800 and Athlon II M340 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 | FCBGA559 | Socket S1 (S1g3) |
| Power consumption (TDP) | 6.5 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom N2800 and Athlon II M340. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization |
| PowerNow | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
Security technologies
Atom N2800 and Athlon II M340 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 Atom N2800 and Athlon II M340 are enumerated here.
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom N2800 and Athlon II M340. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
| Maximum memory size | 4.88 GB | no data |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Graphics Media Accelerator (GMA) 3650 (640 MHz) | 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.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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
| Performance score | 0.28 | 0.51 |
| Recency | 1 December 2011 | 10 September 2009 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 6 Watt | 35 Watt |
Atom N2800 has an age advantage of 2 years, 100% more threads, a 40.6% more advanced lithography process, and 483.3% lower power consumption.
Athlon II M340, on the other hand, has a 82.1% higher aggregate performance score.
The Athlon II M340 is our recommended choice as it beats the Atom N2800 in performance tests.
Should you still have questions on choice between Atom N2800 and Athlon II M340, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
