Xeon L5335 vs E5420
Aggregate performance score
Xeon E5420 outperforms Xeon L5335 by a moderate 16% based on our aggregate benchmark results.
Primary details
Comparing Xeon E5420 and Xeon L5335 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2249 | 2369 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.08 |
| Market segment | Server | Server |
| Architecture codename | no data | Clovertown (2006−2007) |
| Release date | 1 October 2007 (16 years ago) | 13 August 2007 (17 years ago) |
| Launch price (MSRP) | no data | $380 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5420 and Xeon L5335 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 | 2 GHz |
| Boost clock speed | no data | 2 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 4 MB (per die) |
| L3 cache | 12 MB L2 Cache | 8 MB L2 Cache |
| Chip lithography | 45 nm | 65 nm |
| Die size | no data | 2x 143 mm2 |
| Maximum core temperature | 67 °C | no data |
| Maximum case temperature (TCase) | no data | 60 °C |
| Number of transistors | no data | 582 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.35V | 1.1V-1.25V |
Compatibility
Information on Xeon E5420 and Xeon L5335 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 | PLGA771 |
| Power consumption (TDP) | 80 Watt | 50 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5420 and Xeon L5335. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | - |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Demand Based Switching | + | - |
| FSB parity | + | - |
| Status | Discontinued | Discontinued |
Security technologies
Xeon E5420 and Xeon L5335 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5420 and Xeon L5335 are enumerated here.
| VT-x | + | + |
| EPT | - | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5420 and Xeon L5335. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR2, DDR3 Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
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 | 1.31 | 1.13 |
| Recency | 1 October 2007 | 13 August 2007 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 80 Watt | 50 Watt |
Xeon E5420 has a 15.9% higher aggregate performance score, an age advantage of 1 month, and a 44.4% more advanced lithography process.
Xeon L5335, on the other hand, has 60% lower power consumption.
The Xeon E5420 is our recommended choice as it beats the Xeon L5335 in performance tests.
Should you still have questions on choice between Xeon E5420 and Xeon L5335, ask them in Comments section, and we shall answer.
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