Xeon E5520 vs 3 N355
Aggregate performance score
Core 3 N355 outperforms Xeon E5520 by a whopping 332% based on our aggregate benchmark results.
Primary details
Comparing Core 3 N355 and Xeon E5520 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1065 | 2162 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 2.58 |
| Market segment | Laptop | Server |
| Power efficiency | no data | 1.88 |
| Architecture codename | no data | Gainestown (2009−2010) |
| Release date | 1 January 2025 (less than a year ago) | 30 March 2009 (15 years ago) |
| Launch price (MSRP) | no data | $19 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core 3 N355 and Xeon E5520 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 | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 8 | 8 |
| Base clock speed | no data | 2.26 GHz |
| Boost clock speed | 3.9 GHz | 2.53 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 256 KB (per core) |
| L3 cache | 6 MB Intel® Smart Cache | 8 MB (shared) |
| Chip lithography | Intel 7 nm | 45 nm |
| Die size | no data | 263 mm2 |
| Maximum core temperature | 105 °C | 72 °C |
| Number of transistors | no data | 731 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Core 3 N355 and Xeon E5520 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 | FCBGA1264 | FCLGA1366 |
| Power consumption (TDP) | no data | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 3 N355 and Xeon E5520. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | no data | 1.0 |
| Hyper-Threading Technology | - | + |
| Idle States | no data | + |
| Thermal Monitoring | + | - |
| Demand Based Switching | no data | + |
| PAE | no data | 40 Bit |
| GPIO | + | no data |
Security technologies
Core 3 N355 and Xeon E5520 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 3 N355 and Xeon E5520 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 3 N355 and Xeon E5520. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200, DDR5-4800, LPDDR5-4800 | DDR3 |
| Maximum memory size | 16 GB | 144 GB |
| Max memory channels | 1 | 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 | Intel® Graphics | N/A |
| Quick Sync Video | + | - |
| Graphics max frequency | 1.35 GHz | no data |
| Execution Units | 32 | no data |
Graphics interfaces
Available interfaces and connections of Core 3 N355 and Xeon E5520 integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core 3 N355 and Xeon E5520 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096 x 2160@60Hz | no data |
| Max resolution over DisplayPort | 4096 x 2160@60Hz | no data |
Graphics API support
APIs supported by Core 3 N355 and Xeon E5520 integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core 3 N355 and Xeon E5520.
| PCIe version | no data | 2.0 |
| PCI Express lanes | 9 | no data |
| USB revision | 2.0/3.2 | 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.
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 | 6.82 | 1.58 |
| Recency | 1 January 2025 | 30 March 2009 |
| Physical cores | 8 | 4 |
3 N355 has a 331.6% higher aggregate performance score, an age advantage of 15 years, and 100% more physical cores.
The Core 3 N355 is our recommended choice as it beats the Xeon E5520 in performance tests.
Be aware that Core 3 N355 is a notebook processor while Xeon E5520 is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
