Opteron 254 vs Atom Z500
Aggregate performance score
Opteron 254 outperforms Atom Z500 by an impressive 86% 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 | 3582 | 3414 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Atom | no data |
| Power efficiency | 23.08 | 0.30 |
| Designer | Intel | AMD |
| Architecture codename | Silverthorne (2008−2010) | Troy (2005) |
| Release date | 2 April 2008 (17 years ago) | August 2005 (20 years ago) |
| Launch price (MSRP) | $45 | no data |
Detailed specifications
Atom Z500 and Opteron 254 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 | 1 | 1 |
| Boost clock speed | 0.8 GHz | 2.8 GHz |
| Bus type | FSB | no data |
| Bus rate | 400 MT/s | no data |
| Multiplier | 8 | no data |
| L1 cache | 56 KB | 128 KB |
| L2 cache | 512 KB | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 90 nm |
| Die size | 24.18 mm2 | no data |
| Maximum core temperature | 90 °C | no data |
| Number of transistors | 47 Million | 106 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.80 -1.1V | no data |
Compatibility
Information on Atom Z500 and Opteron 254 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) | 2 |
| Socket | PBGA441 | 940 |
| Power consumption (TDP) | 0.65 Watt | 92 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z500 and Opteron 254. 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 Z500 and Opteron 254 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 Opteron 254 are enumerated here.
| VT-d | - | no data |
| VT-x | - | no data |
Pros & cons summary
| Performance score | 0.14 | 0.26 |
| Chip lithography | 45 nm | 90 nm |
Atom Z500 has a 100% more advanced lithography process.
Opteron 254, on the other hand, has a 85.7% higher aggregate performance score.
The AMD Opteron 254 is our recommended choice as it beats the Intel Atom Z500 in performance tests.
Be aware that Atom Z500 is a notebook processor while Opteron 254 is a server/workstation one.
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