Xeon E5540 vs Athlon II X4 740
Aggregate performance score
Xeon E5540 outperforms Athlon II X4 740 by a minimal 4% based on our aggregate benchmark results.
Primary details
Comparing Athlon II X4 740 and Xeon E5540 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2051 | 2021 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.64 |
| Market segment | Desktop processor | Server |
| Series | Athlon | no data |
| Power efficiency | no data | 2.08 |
| Architecture codename | Piledriver | Gainestown (2009−2010) |
| Release date | 1 October 2012 (12 years ago) | 30 March 2009 (15 years ago) |
| Launch price (MSRP) | $71 | $30 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon II X4 740 and Xeon E5540 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) | 4 (Quad-Core) |
| Threads | 4 | 8 |
| Base clock speed | 3.2 GHz | 2.53 GHz |
| Boost clock speed | 3.7 GHz | 2.8 GHz |
| L1 cache | 192 KB | 64 KB (per core) |
| L2 cache | 4 MB | 256 KB (per core) |
| L3 cache | no data | 8 MB (shared) |
| Chip lithography | 32 nm | 45 nm |
| Die size | no data | 263 mm2 |
| Maximum core temperature | no data | 76 °C |
| Number of transistors | no data | 731 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon II X4 740 and Xeon E5540 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 | 2 |
| Socket | Socket FM2 | FCLGA1366 |
| Power consumption (TDP) | 65 watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 740 and Xeon E5540. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 1.0 |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Demand Based Switching | no data | + |
| PAE | no data | 40 Bit |
Security technologies
Athlon II X4 740 and Xeon E5540 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 Athlon II X4 740 and Xeon E5540 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 Athlon II X4 740 and Xeon E5540. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 144 GB |
| Max memory channels | no data | 3 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Athlon II X4 740 and Xeon E5540.
| 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.
Pros & cons summary
| Performance score | 1.72 | 1.79 |
| Threads | 4 | 8 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 80 Watt |
Athlon II X4 740 has a 40.6% more advanced lithography process, and 23.1% lower power consumption.
Xeon E5540, on the other hand, has a 4.1% higher aggregate performance score, and 100% more threads.
Given the minimal performance differences, no clear winner can be declared between Athlon II X4 740 and Xeon E5540.
Note that Athlon II X4 740 is a desktop processor while Xeon E5540 is a server/workstation one.
Should you still have questions on choice between Athlon II X4 740 and Xeon E5540, ask them in Comments section, and we shall answer.
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