Duron 900 vs Atom Z540
Primary details
Comparing Atom Z540 and Duron 900 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Atom | AMD Duron |
| Architecture codename | Silverthorne (2008−2010) | K7 (2000−2004) |
| Release date | 2 April 2008 (16 years ago) | 20 August 2001 (23 years ago) |
| Launch price (MSRP) | $160 | no data |
Detailed specifications
Atom Z540 and Duron 900 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) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Base clock speed | 1.86 GHz | no data |
| Boost clock speed | 0.07 GHz | 0.9 GHz |
| Bus type | FSB | FSB |
| Bus rate | 533.33 MT/s | 200 MT/s |
| Multiplier | 14 | 9 |
| L1 cache | 56 KB | no data |
| L2 cache | 512 KB | 64 KB |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | 180 nm |
| Die size | 24.18 mm2 | 105.68 mm2 |
| Maximum core temperature | 90 °C | no data |
| Number of transistors | 47 Million | 25 Million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.75 -1.1V | no data |
Compatibility
Information on Atom Z540 and Duron 900 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 (Uniprocessor) |
| Socket | PBGA441 | no data |
| Power consumption (TDP) | 2.4 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z540 and Duron 900. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| 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 Z540 and Duron 900 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 Z540 and Duron 900 are enumerated here.
| VT-d | - | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom Z540 and Duron 900. Depending on the motherboard, higher memory frequencies may be supported.
| Maximum memory size | no data | 4 GB |
Pros & cons summary
| Recency | 2 April 2008 | 20 August 2001 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 180 nm |
| Power consumption (TDP) | 2 Watt | 25 Watt |
Atom Z540 has an age advantage of 6 years, 100% more threads, a 300% more advanced lithography process, and 1150% lower power consumption.
We couldn't decide between Atom Z540 and Duron 900. We've got no test results to judge.
Be aware that Atom Z540 is a notebook processor while Duron 900 is a desktop one.
Should you still have questions on choice between Atom Z540 and Duron 900, ask them in Comments section, and we shall answer.
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