Pentium 987 vs Xeon W3550
Primary details
Comparing Xeon W3550 and Pentium 987 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1902 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.57 | no data |
| Market segment | Server | Laptop |
| Series | no data | Intel Pentium |
| Power efficiency | 1.48 | no data |
| Architecture codename | Bloomfield (2008−2010) | Sandy Bridge (2011−2013) |
| Release date | 9 August 2009 (15 years ago) | 1 February 2013 (11 years ago) |
| Launch price (MSRP) | $235 | $134 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon W3550 and Pentium 987 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) | 2 (Dual-core) |
| Threads | 8 | 2 |
| Base clock speed | 3.06 GHz | 1.5 GHz |
| Boost clock speed | 3.33 GHz | 1.5 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | no data | 4 × 5 GT/s |
| Multiplier | no data | 15 |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 512 KB |
| L3 cache | 8 MB (shared) | 2 MB (shared) |
| Chip lithography | 45 nm | 32 nm |
| Die size | 263 mm2 | 131 mm2 |
| Maximum core temperature | 68 °C | 100 °C |
| Number of transistors | 731 million | 504 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon W3550 and Pentium 987 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 (Uniprocessor) |
| Socket | FCLGA1366 | FCBGA1023 |
| Power consumption (TDP) | 130 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W3550 and Pentium 987. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2 |
| FMA | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | no data | - |
| Turbo Boost Technology | 1.0 | - |
| Hyper-Threading Technology | + | - |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | + | - |
| PAE | 36 Bit | no data |
| FDI | no data | + |
| Fast Memory Access | no data | + |
Security technologies
Xeon W3550 and Pentium 987 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W3550 and Pentium 987 are enumerated here.
| VT-d | no data | - |
| VT-x | + | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W3550 and Pentium 987. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 24 GB | 16.38 GB |
| Max memory channels | 3 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | 21.335 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel® HD Graphics for 2nd Generation Intel® Processors |
| Graphics max frequency | no data | 1 GHz |
Graphics interfaces
Available interfaces and connections of Xeon W3550 and Pentium 987 integrated GPUs.
| Number of displays supported | no data | 2 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Xeon W3550 and Pentium 987.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | no data | 16 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Recency | 9 August 2009 | 1 February 2013 |
| Physical cores | 4 | 2 |
| Threads | 8 | 2 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 130 Watt | 17 Watt |
Xeon W3550 has 100% more physical cores and 300% more threads.
Pentium 987, on the other hand, has an age advantage of 3 years, a 40.6% more advanced lithography process, and 664.7% lower power consumption.
We couldn't decide between Xeon W3550 and Pentium 987. We've got no test results to judge.
Be aware that Xeon W3550 is a server/workstation processor while Pentium 987 is a notebook one.
Should you still have questions on choice between Xeon W3550 and Pentium 987, ask them in Comments section, and we shall answer.
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