A9-9420 vs Atom Z500
Aggregate performance score
A9-9420 outperforms Atom Z500 by a whopping 521% 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 | 3566 | 2768 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Atom | AMD Bristol Ridge |
| Power efficiency | 9.15 | 2.46 |
| Designer | Intel | AMD |
| Manufacturer | no data | GlobalFoundries |
| Architecture codename | Silverthorne (2008−2010) | Stoney Ridge (2016−2019) |
| Release date | 2 April 2008 (17 years ago) | 31 May 2016 (9 years ago) |
| Launch price (MSRP) | $45 | no data |
Detailed specifications
Atom Z500 and A9-9420 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 | 1 | 2 |
| Base clock speed | no data | 3 GHz |
| Boost clock speed | 0.8 GHz | 3.6 GHz |
| Bus type | FSB | no data |
| Bus rate | 400 MT/s | no data |
| Multiplier | 8 | no data |
| L1 cache | 56 KB | 160 KB |
| L2 cache | 512 KB | 1 MB (shared) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 28 nm |
| Die size | 24.18 mm2 | 125 mm2 |
| Maximum core temperature | 90 °C | 90 °C |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 47 Million | 1,200 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.80 -1.1V | no data |
Compatibility
Information on Atom Z500 and A9-9420 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) | 1 |
| Socket | PBGA441 | FT4 |
| Power consumption (TDP) | 0.65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z500 and A9-9420. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | Virtualization, |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| 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 Z500 and A9-9420 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 Z500 and A9-9420 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 Atom Z500 and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | Radeon R5 |
Peripherals
Specifications and connection of peripherals supported by Atom Z500 and A9-9420.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 8 |
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.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Pros & cons summary
| Performance score | 0.14 | 0.87 |
| Recency | 2 April 2008 | 31 May 2016 |
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 45 nm | 28 nm |
A9-9420 has a 521.4% higher aggregate performance score, an age advantage of 8 years, 100% more physical cores and 100% more threads, and a 60.7% more advanced lithography process.
The AMD A9-9420 is our recommended choice as it beats the Intel Atom Z500 in performance tests.
Other comparisons
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