Athlon II M340 vs Atom Z520
Aggregate performance score
Athlon II M340 outperforms Atom Z520 by a whopping 557% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3668 | 3157 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Atom | AMD Athlon II |
| Power efficiency | 1.49 | 0.56 |
| Designer | Intel | AMD |
| Architecture codename | Silverthorne (2008−2010) | Caspian (2009) |
| Release date | 2 April 2008 (17 years ago) | 10 September 2009 (16 years ago) |
| Launch price (MSRP) | $65 | no data |
Detailed specifications
Atom Z520 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 1.33 GHz | no data |
| Boost clock speed | 0.03 GHz | 2.2 GHz |
| Bus type | FSB | no data |
| Bus rate | 533.33 MT/s | 3200 MHz |
| Multiplier | 10 | no data |
| L1 cache | 56 KB | 128 KB |
| L2 cache | 512 KB | 1 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | 45 nm |
| Die size | 24.18 mm2 | no data |
| Maximum core temperature | 90 °C | no data |
| Number of transistors | 47 Million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.75-1.1V | no data |
Compatibility
Information on Atom Z520 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 (Uniprocessor) | no data |
| Socket | PBGA441 | Socket S1 (S1g3) |
| Power consumption (TDP) | 2 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z520 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 |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | + | no data |
| FSB parity | - | no data |
Security technologies
Atom Z520 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 Z520 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 Z520 and Athlon II M340. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2 |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 0.07 | 0.46 |
| Recency | 2 April 2008 | 10 September 2009 |
| Physical cores | 1 | 2 |
| Power consumption (TDP) | 2 Watt | 35 Watt |
Atom Z520 has 1650% lower power consumption.
Athlon II M340, on the other hand, has a 557.1% higher aggregate performance score, an age advantage of 1 year, and 100% more physical cores.
The AMD Athlon II M340 is our recommended choice as it beats the Intel Atom Z520 in performance tests.
Other comparisons
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