Core i5-8259U vs Xeon X5550
Aggregate performance score
i5-8259U outperforms Xeon X5550 by a whopping 160% based on our aggregate benchmark results.
Primary details
Comparing Xeon X5550 and Core i5-8259U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1867 | 1149 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 30.53 | no data |
| Market segment | Server | Laptop |
| Series | no data | Intel Core i5 |
| Architecture codename | Gainestown (2009−2010) | Coffee Lake-U (2018−2019) |
| Release date | March 2009 (15 years ago) | 3 April 2018 (6 years ago) |
| Launch price (MSRP) | $62 | $320 |
| Current price | $260 (4.2x MSRP) | $719 (2.2x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon X5550 and Core i5-8259U 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) | 4 (Quad-Core) |
| Threads | 8 | 8 |
| Base clock speed | no data | 2.3 GHz |
| Boost clock speed | 2.67 GHz | 3.8 GHz |
| L1 cache | 64 KB (per core) | 256 KB |
| L2 cache | 256 KB (per core) | 1 MB |
| L3 cache | 8 MB (shared) | 6 MB |
| Chip lithography | 45 nm | 14 nm |
| Die size | 263 mm2 | 126 mm2 |
| Maximum core temperature | 75 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 731 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon X5550 and Core i5-8259U 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 | 2 | 1 (Uniprocessor) |
| Socket | 1366 | FCBGA1528 |
| Power consumption (TDP) | 95 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon X5550 and Core i5-8259U. You'll probably need this information if you require some particular technology.
| AES-NI | no data | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Hyper-Threading Technology | + | + |
Security technologies
Xeon X5550 and Core i5-8259U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon X5550 and Core i5-8259U are enumerated here.
| AMD-V | no data | + |
| VT-d | no data | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon X5550 and Core i5-8259U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
| Maximum memory size | no data | 32 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | 32 GB/s | 38.397 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Iris Plus Graphics 655 |
Peripherals
Specifications and connection of peripherals supported by Xeon X5550 and Core i5-8259U.
| PCIe version | no data | 3.0 |
| 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.
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.
Core i5-8259U outperforms Xeon X5550 by 160% based on our aggregate benchmark results.
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.
Benchmark coverage: 68%
Core i5-8259U outperforms Xeon X5550 by 161% in Passmark.
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.
Benchmark coverage: 42%
Core i5-8259U outperforms Xeon X5550 by 177% in GeekBench 5 Single-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.
Benchmark coverage: 42%
Core i5-8259U outperforms Xeon X5550 by 124% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 1.96 | 5.10 |
| Cost | $62 | $320 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 28 Watt |
Xeon X5550 has its recommended price lower by $258.
i5-8259U, on the other hand, has a 160.2% higher aggregate performance score, a 221.4% more advanced lithography process, and 239.3% lower power consumption.
The Core i5-8259U is our recommended choice as it beats the Xeon X5550 in performance tests.
Be aware that Xeon X5550 is a server/workstation processor while Core i5-8259U is a notebook one.
Should you still have questions on choice between Xeon X5550 and Core i5-8259U, ask them in Comments section, and we shall answer.
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