A100 vs Opteron 842
Primary details
Comparing Opteron 842 and A100 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 | Server | Laptop |
| Architecture codename | SledgeHammer (2003−2005) | Stealey (2007) |
| Release date | June 2003 (21 year ago) | June 2007 (17 years ago) |
Detailed specifications
Opteron 842 and A100 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 | 1.6 GHz | 0.6 GHz |
| L1 cache | 128 KB | 64 KB (per core) |
| L2 cache | 1 MB | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 130 nm | 90 nm |
| Die size | 193 mm2 | 66 mm2 |
| Number of transistors | 106 million | 176 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Opteron 842 and A100 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 | 8 | 1 |
| Socket | 940 | Intel BGA 437 |
| Power consumption (TDP) | 85 Watt | 3 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 842 and A100. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2 |
Pros & cons summary
| Chip lithography | 130 nm | 90 nm |
| Power consumption (TDP) | 85 Watt | 3 Watt |
A100 has a 44.4% more advanced lithography process, and 2733.3% lower power consumption.
We couldn't decide between Opteron 842 and A100. We've got no test results to judge.
Be aware that Opteron 842 is a server/workstation processor while A100 is a notebook one.
Should you still have questions on choice between Opteron 842 and A100, ask them in Comments section, and we shall answer.
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