Athlon 1100 vs Xeon E5540
Primary details
Comparing Xeon E5540 and Athlon 1100 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1922 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.05 | no data |
| Market segment | Server | Desktop processor |
| Architecture codename | Gainestown (2009−2010) | Thunderbird B (2000−2001) |
| Release date | March 2009 (15 years ago) | August 2000 (23 years ago) |
| Launch price (MSRP) | $30 | no data |
| Current price | $105 (3.5x MSRP) | $28 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5540 and Athlon 1100 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 | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 8 | 1 |
| Base clock speed | 2.53 GHz | no data |
| Boost clock speed | 2.8 GHz | 1.1 GHz |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 256 KB |
| L3 cache | 8 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 180 nm |
| Die size | 263 mm2 | 120 mm2 |
| Maximum core temperature | 76 °C | no data |
| Number of transistors | 731 million | 37 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon E5540 and Athlon 1100 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 | 2 | 1 |
| Socket | FCLGA1366 | A |
| Power consumption (TDP) | 80 Watt | 60 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5540 and Athlon 1100. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | + | no data |
| PAE | 40 Bit | no data |
| Status | Discontinued | no data |
Security technologies
Xeon E5540 and Athlon 1100 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 Xeon E5540 and Athlon 1100 are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5540 and Athlon 1100. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1 |
| Maximum memory size | 144 GB | no data |
| Max memory channels | 3 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | + | no data |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 8 | 1 |
| Chip lithography | 45 nm | 180 nm |
| Power consumption (TDP) | 80 Watt | 60 Watt |
We couldn't decide between Xeon E5540 and Athlon 1100. We've got no test results to judge.
Be aware that Xeon E5540 is a server/workstation processor while Athlon 1100 is a desktop one.
Should you still have questions on choice between Xeon E5540 and Athlon 1100, ask them in Comments section, and we shall answer.
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