Athlon MP 1800+ vs Xeon E5645
Primary details
Comparing Xeon E5645 and Athlon MP 1800+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1618 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.38 | no data |
| Market segment | Server | Server |
| Series | no data | AMD Athlon MP |
| Power efficiency | 3.76 | no data |
| Architecture codename | Westmere-EP (2010−2011) | K7 (2000−2004) |
| Release date | 16 March 2010 (14 years ago) | 15 October 2001 (23 years ago) |
| Launch price (MSRP) | $294 | $302 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5645 and Athlon MP 1800+ 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 | 6 (Hexa-Core) | 1 (Single-Core) |
| Threads | 12 | 1 |
| Base clock speed | 2.4 GHz | no data |
| Boost clock speed | 2.67 GHz | 1.53 GHz |
| Bus type | no data | FSB |
| Bus rate | no data | 266 MT/s |
| Multiplier | no data | 11.5 |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 256 KB |
| L3 cache | 12 MB (shared) | no data |
| Chip lithography | 32 nm | 180 nm |
| Die size | 239 mm2 | 128 mm2 |
| Maximum core temperature | 76 °C | no data |
| Number of transistors | 1,170 million | 38 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon E5645 and Athlon MP 1800+ 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 | 2 (Multiprocessor) |
| Socket | FCLGA1366,LGA1366 | no data |
| Power consumption (TDP) | 80 Watt | 66 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5645 and Athlon MP 1800+. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | - |
| 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 |
Security technologies
Xeon E5645 and Athlon MP 1800+ 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 E5645 and Athlon MP 1800+ 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 E5645 and Athlon MP 1800+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 288 GB | 4 GB |
| Max memory channels | 3 | no data |
| Maximum memory bandwidth | 32 GB/s | no data |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Xeon E5645 and Athlon MP 1800+.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 16 March 2010 | 15 October 2001 |
| Physical cores | 6 | 1 |
| Threads | 12 | 1 |
| Chip lithography | 32 nm | 180 nm |
| Power consumption (TDP) | 80 Watt | 66 Watt |
Xeon E5645 has an age advantage of 8 years, 500% more physical cores and 1100% more threads, and a 462.5% more advanced lithography process.
Athlon MP 1800+, on the other hand, has 21.2% lower power consumption.
We couldn't decide between Xeon E5645 and Athlon MP 1800+. We've got no test results to judge.
Should you still have questions on choice between Xeon E5645 and Athlon MP 1800+, ask them in Comments section, and we shall answer.
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