Athlon II X3 455 vs Xeon E5345
Aggregate performance score
Primary details
Comparing Xeon E5345 and Athlon II X3 455 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2371 | 2365 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.06 | 5.52 |
| Market segment | Server | Desktop processor |
| Power efficiency | 1.39 | 1.17 |
| Architecture codename | Clovertown (2006−2007) | Rana (2009−2011) |
| Release date | 14 November 2006 (18 years ago) | 7 December 2010 (14 years ago) |
| Launch price (MSRP) | $851 | $88 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Athlon II X3 455 has 9100% better value for money than Xeon E5345.
Detailed specifications
Xeon E5345 and Athlon II X3 455 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) | 3 (Tri-Core) |
| Threads | 4 | 3 |
| Base clock speed | 2.33 GHz | 3.3 GHz |
| Boost clock speed | 0.33 GHz | 3.3 GHz |
| L1 cache | 64 KB (per core) | 128 KB (per core) |
| L2 cache | 4 MB (per die) | 512 KB (per core) |
| L3 cache | 8 MB L2 Cache | 0 KB |
| Chip lithography | 65 nm | 45 nm |
| Die size | 2x 143 mm2 | 169 mm2 |
| Maximum case temperature (TCase) | 66 °C | no data |
| Number of transistors | 582 million | 300 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| VID voltage range | 1V-1.5V | no data |
Compatibility
Information on Xeon E5345 and Athlon II X3 455 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 | LGA771,PLGA771 | AM3 |
| Power consumption (TDP) | 80 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5345 and Athlon II X3 455. You'll probably need this information if you require some particular technology.
| 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 |
| PAE | 32 Bit | no data |
| FSB parity | + | no data |
Security technologies
Xeon E5345 and Athlon II X3 455 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 E5345 and Athlon II X3 455 are enumerated here.
| VT-x | + | no data |
| EPT | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5345 and Athlon II X3 455. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 Depends on motherboard | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon E5345 and Athlon II X3 455.
| PCIe version | no data | 2.0 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Recency | 14 November 2006 | 7 December 2010 |
| Physical cores | 4 | 3 |
| Threads | 4 | 3 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 80 Watt | 95 Watt |
Xeon E5345 has 33.3% more physical cores and 33.3% more threads, and 18.8% lower power consumption.
Athlon II X3 455, on the other hand, has an age advantage of 4 years, and a 44.4% more advanced lithography process.
Given the minimal performance differences, no clear winner can be declared between Xeon E5345 and Athlon II X3 455.
Be aware that Xeon E5345 is a server/workstation processor while Athlon II X3 455 is a desktop one.
Should you still have questions on choice between Xeon E5345 and Athlon II X3 455, ask them in Comments section, and we shall answer.
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