Opteron 6274 vs Xeon W3540
Aggregate performance score
Opteron 6274 outperforms Xeon W3540 by an impressive 81% based on our aggregate benchmark results.
Primary details
Comparing Xeon W3540 and Opteron 6274 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1935 | 1513 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.18 | 0.52 |
| Market segment | Server | Server |
| Power efficiency | 1.43 | 2.92 |
| Architecture codename | Bloomfield (2008−2010) | Interlagos (2011−2012) |
| Release date | 30 March 2009 (15 years ago) | 14 November 2011 (13 years ago) |
| Launch price (MSRP) | $699 | $909 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Opteron 6274 has 189% better value for money than Xeon W3540.
Detailed specifications
Xeon W3540 and Opteron 6274 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 | 4 (Quad-Core) | 16 (Hexadeca-Core) |
| Threads | 8 | 16 |
| Base clock speed | 2.93 GHz | 2.2 GHz |
| Boost clock speed | 3.2 GHz | 3.1 GHz |
| L1 cache | 64 KB (per core) | 768 KB (shared) |
| L2 cache | 256 KB (per core) | 8.00391 MB (per core) |
| L3 cache | 8 MB (shared) | 16 MB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 263 mm2 | 316 mm2 |
| Maximum core temperature | 68 °C | no data |
| Number of transistors | 731 million | 2,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon W3540 and Opteron 6274 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 | 1 | 2 |
| Socket | FCLGA1366 | G34 |
| Power consumption (TDP) | 130 Watt | 115 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W3540 and Opteron 6274. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | + | no data |
| PAE | 36 Bit | no data |
Security technologies
Xeon W3540 and Opteron 6274 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 W3540 and Opteron 6274 are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W3540 and Opteron 6274. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 24 GB | no data |
| Max memory channels | 3 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon W3540 and Opteron 6274.
| PCIe version | 2.0 | 2.0 |
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 | 1.96 | 3.55 |
| Recency | 30 March 2009 | 14 November 2011 |
| Physical cores | 4 | 16 |
| Threads | 8 | 16 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 130 Watt | 115 Watt |
Opteron 6274 has a 81.1% higher aggregate performance score, an age advantage of 2 years, 300% more physical cores and 100% more threads, a 40.6% more advanced lithography process, and 13% lower power consumption.
The Opteron 6274 is our recommended choice as it beats the Xeon W3540 in performance tests.
Should you still have questions on choice between Xeon W3540 and Opteron 6274, ask them in Comments section, and we shall answer.
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