Xeon L5420 vs Opteron 6348
Aggregate performance score
Opteron 6348 outperforms Xeon L5420 by a whopping 267% 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 | 1505 | 2564 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.06 |
| Market segment | Server | Server |
| Power efficiency | 1.65 | 1.03 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Abu Dhabi (2012) | Harpertown (2007−2008) |
| Release date | 5 November 2012 (13 years ago) | 25 March 2008 (17 years ago) |
| Launch price (MSRP) | no data | $380 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Opteron 6348 and Xeon L5420 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 | 12 (Dodeca-Core) | 4 (Quad-Core) |
| Threads | 12 | 4 |
| Base clock speed | 2.8 GHz | 2.5 GHz |
| Boost clock speed | 3.4 GHz | 2.5 GHz |
| L1 cache | 576 KB | 64 KB (per core) |
| L2 cache | 12 MB | 6 MB (per die) |
| L3 cache | 8 MB (per die) | 12 MB L2 Cache |
| Chip lithography | 32 nm | 45 nm |
| Die size | 315 mm2 | 2x 107 mm2 |
| Maximum case temperature (TCase) | no data | 57 °C |
| Number of transistors | 2,400 million | 820 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.85V-1.35V |
Compatibility
Information on Opteron 6348 and Xeon L5420 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 | 4 | 2 |
| Socket | G34 | LGA771 |
| Power consumption (TDP) | 115 Watt | 50 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 6348 and Xeon L5420. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | no data | + |
| FSB parity | no data | + |
Security technologies
Opteron 6348 and Xeon L5420 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 Opteron 6348 and Xeon L5420 are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
| EPT | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 6348 and Xeon L5420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2, DDR3 Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Opteron 6348 and Xeon L5420.
| PCIe version | 2.0 | 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 | 4.48 | 1.22 |
| Recency | 5 November 2012 | 25 March 2008 |
| Physical cores | 12 | 4 |
| Threads | 12 | 4 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 115 Watt | 50 Watt |
Opteron 6348 has a 267.2% higher aggregate performance score, an age advantage of 4 years, 200% more physical cores and 200% more threads, and a 40.6% more advanced lithography process.
Xeon L5420, on the other hand, has 130% lower power consumption.
The AMD Opteron 6348 is our recommended choice as it beats the Intel Xeon L5420 in performance tests.
Other comparisons
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