Xeon E5520 vs X5492
Aggregate performance score
Xeon X5492 outperforms Xeon E5520 by a moderate 14% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2315 | 2418 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 2.58 |
| Market segment | Server | Server |
| Power efficiency | 0.47 | 0.76 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | no data | Gainestown (2009−2010) |
| Release date | 1 July 2008 (17 years ago) | 30 March 2009 (16 years ago) |
| Launch price (MSRP) | no data | $19 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon X5492 and Xeon E5520 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 | no data | 4 (Quad-Core) |
| Threads | no data | 8 |
| Base clock speed | 3.4 GHz | 2.26 GHz |
| Boost clock speed | no data | 2.53 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 256 KB (per core) |
| L3 cache | 12 MB L2 Cache | 8 MB (shared) |
| Chip lithography | 45 nm | 45 nm |
| Die size | no data | 263 mm2 |
| Maximum core temperature | 63 °C | 72 °C |
| Number of transistors | no data | 731 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Xeon X5492 and Xeon E5520 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 | no data | 2 |
| Socket | LGA771 | FCLGA1366 |
| Power consumption (TDP) | 150 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon X5492 and Xeon E5520. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | 1.0 |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | - |
| Demand Based Switching | + | + |
| PAE | no data | 40 Bit |
| FSB parity | + | no data |
Security technologies
Xeon X5492 and Xeon E5520 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon X5492 and Xeon E5520 are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon X5492 and Xeon E5520. 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 Xeon X5492 and Xeon E5520.
| PCIe version | no data | 2.0 |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 1.66 | 1.45 |
| Recency | 1 July 2008 | 30 March 2009 |
| Power consumption (TDP) | 150 Watt | 80 Watt |
Xeon X5492 has a 14.5% higher aggregate performance score.
Xeon E5520, on the other hand, has an age advantage of 8 months, and 87.5% lower power consumption.
The Intel Xeon X5492 is our recommended choice as it beats the Intel Xeon E5520 in performance tests.
Other comparisons
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