Atom Z515 vs A4-3420
Primary details
Comparing A4-3420 and Atom Z515 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2734 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | 0.97 | no data |
| Architecture codename | Llano (2011−2012) | Silverthorne (2008−2010) |
| Release date | 20 December 2011 (12 years ago) | 8 April 2009 (15 years ago) |
Detailed specifications
A4-3420 and Atom Z515 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) | 1 (Single-Core) |
| Threads | 2 | 2 |
| Base clock speed | 2.8 GHz | 1.2 GHz |
| Boost clock speed | 2.8 GHz | 1.2 GHz |
| Bus type | no data | FSB |
| Bus rate | no data | 400 MT/s |
| Multiplier | no data | 12 |
| L1 cache | 128 KB (per core) | 56 KB (per core) |
| L2 cache | 512 KB (per core) | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 228 mm2 | 24.18 mm2 |
| Maximum core temperature | no data | 90 °C |
| Number of transistors | 1,178 million | 47 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on A4-3420 and Atom Z515 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 | FM1 | PBGA441 |
| Power consumption (TDP) | 65 Watt | 1.4 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-3420 and Atom Z515. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 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
A4-3420 and Atom Z515 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 A4-3420 and Atom Z515 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-3420 and Atom Z515. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | unknown |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Radeon HD 6410D | On certain motherboards (Chipset feature) |
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 | 20 December 2011 | 8 April 2009 |
| Physical cores | 2 | 1 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 1 Watt |
A4-3420 has an age advantage of 2 years, 100% more physical cores, and a 40.6% more advanced lithography process.
Atom Z515, on the other hand, has 6400% lower power consumption.
We couldn't decide between A4-3420 and Atom Z515. We've got no test results to judge.
Note that A4-3420 is a desktop processor while Atom Z515 is a notebook one.
Should you still have questions on choice between A4-3420 and Atom Z515, ask them in Comments section, and we shall answer.
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