Core 2 Quad Q6600 vs Xeon L5420
Aggregated performance score
Xeon L5420 outperforms Core 2 Quad Q6600 by a moderate 18% based on our aggregated benchmark results.
Primary details
Comparing Xeon L5420 and Core 2 Quad Q6600 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2116 | 2248 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.27 | 1.77 |
| Market segment | Server | Desktop processor |
| Series | no data | Core 2 Quad (Desktop) |
| Architecture codename | no data | Kentsfield (2007) |
| Release date | 1 January 2008 (16 years ago) | no data |
| Current price | $84 | $67 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Core 2 Quad Q6600 has 556% better value for money than Xeon L5420.
Detailed specifications
Xeon L5420 and Core 2 Quad Q6600 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 | 4 |
| Base clock speed | 2.5 GHz | no data |
| Boost clock speed | no data | 2.4 GHz |
| Bus support | no data | 1066 MHz |
| L3 cache | 12 MB L2 Cache | no data |
| Chip lithography | 45 nm | 65 nm |
| Maximum core temperature | 57 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Xeon L5420 and Core 2 Quad Q6600 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.
| Socket | LGA771 | no data |
| Power consumption (TDP) | 50 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon L5420 and Core 2 Quad Q6600. 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 | + | no data |
| Demand Based Switching | + | no data |
| FSB parity | + | no data |
| Status | Discontinued | no data |
Security technologies
Xeon L5420 and Core 2 Quad Q6600 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 L5420 and Core 2 Quad Q6600 are enumerated here.
| VT-x | + | no data |
| EPT | - | no data |
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.
Xeon L5420 outperforms Core 2 Quad Q6600 by 18% based on our aggregated benchmark results.
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.
Benchmark coverage: 68%
Xeon L5420 outperforms Core 2 Quad Q6600 by 18% in Passmark.
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.
Benchmark coverage: 42%
Xeon L5420 outperforms Core 2 Quad Q6600 by 23% in GeekBench 5 Single-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.
Benchmark coverage: 42%
Xeon L5420 outperforms Core 2 Quad Q6600 by 19% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 1.38 | 1.17 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 50 Watt | 105 Watt |
The Xeon L5420 is our recommended choice as it beats the Core 2 Quad Q6600 in performance tests.
Be aware that Xeon L5420 is a server/workstation processor while Core 2 Quad Q6600 is a desktop one.
Should you still have questions on choice between Xeon L5420 and Core 2 Quad Q6600, ask them in Comments section, and we shall answer.
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