Xeon E7340 vs L7455
Aggregate performance score
Xeon E7340 outperforms Xeon L7455 by a whopping 163% 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 | 2432 | 1684 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | 0.92 | 1.97 |
| Designer | Intel | Intel |
| Release date | 1 July 2008 (17 years ago) | 1 July 2007 (18 years ago) |
Detailed specifications
Xeon L7455 and Xeon E7340 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.
| Base clock speed | 2.13 GHz | 2.4 GHz |
| L3 cache | 12 MB L2 Cache | 8 MB L2 Cache |
| Chip lithography | 45 nm | 65 nm |
| Maximum core temperature | 73 °C | 66 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.9V-1.45V | 1.0V-1.5V |
Compatibility
Information on Xeon L7455 and Xeon E7340 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 | PGA604 | PGA604,PPGA604 |
| Power consumption (TDP) | 65 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon L7455 and Xeon E7340. 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 | + | + |
Security technologies
Xeon L7455 and Xeon E7340 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon L7455 and Xeon E7340 are enumerated here.
| VT-x | + | + |
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 | 1.42 | 3.74 |
| Recency | 1 July 2008 | 1 July 2007 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 65 Watt | 80 Watt |
Xeon L7455 has an age advantage of 1 year, a 44% more advanced lithography process, and 23% lower power consumption.
Xeon E7340, on the other hand, has a 163% higher aggregate performance score.
The Intel Xeon E7340 is our recommended choice as it beats the Intel Xeon L7455 in performance tests.
Other comparisons
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