Xeon W3520 vs Pentium D1508
Aggregate performance score
Pentium D1508 outperforms Xeon W3520 by a moderate 11% based on our aggregate benchmark results.
Primary details
Comparing Pentium D1508 and Xeon W3520 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1897 | 1989 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.27 |
| Market segment | Server | Server |
| Power efficiency | 7.73 | 1.34 |
| Architecture codename | no data | Bloomfield (2008−2010) |
| Release date | 1 October 2015 (9 years ago) | 30 March 2009 (15 years ago) |
| Launch price (MSRP) | no data | $404 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium D1508 and Xeon W3520 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 | 2 (Dual-core) | 4 (Quad-Core) |
| Threads | 4 | 8 |
| Base clock speed | 2.2 GHz | 2.66 GHz |
| Boost clock speed | 2.6 GHz | 2.93 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 256 KB (per core) |
| L3 cache | 3 MB | 8 MB (shared) |
| Chip lithography | 14 nm | 45 nm |
| Die size | no data | 263 mm2 |
| Maximum core temperature | no data | 68 °C |
| Number of transistors | no data | 731 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium D1508 and Xeon W3520 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 | 1 |
| Socket | FCBGA1667 | FCLGA1366 |
| Power consumption (TDP) | 25 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D1508 and Xeon W3520. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | Intel® SSE4.2 |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | 1.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | - |
| Demand Based Switching | no data | + |
| PAE | no data | 36 Bit |
| GPIO | + | no data |
Security technologies
Pentium D1508 and Xeon W3520 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | no data |
| Identity Protection | + | - |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D1508 and Xeon W3520 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D1508 and Xeon W3520. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR3 | DDR3 |
| Maximum memory size | 128 GB | 24 GB |
| Max memory channels | 2 | 3 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Pentium D1508 and Xeon W3520.
| PCIe version | 2.0/3.0 | 2.0 |
| PCI Express lanes | 32 | no data |
| USB revision | 2.0/3.0 | no data |
| Total number of SATA ports | 6 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | + | no data |
| UART | + | 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.
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 | 2.05 | 1.85 |
| Recency | 1 October 2015 | 30 March 2009 |
| Physical cores | 2 | 4 |
| Threads | 4 | 8 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 25 Watt | 130 Watt |
Pentium D1508 has a 10.8% higher aggregate performance score, an age advantage of 6 years, a 221.4% more advanced lithography process, and 420% lower power consumption.
Xeon W3520, on the other hand, has 100% more physical cores and 100% more threads.
The Pentium D1508 is our recommended choice as it beats the Xeon W3520 in performance tests.
Should you still have questions on choice between Pentium D1508 and Xeon W3520, ask them in Comments section, and we shall answer.
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