Xeon w5-2455X vs i3-1305U
Aggregate performance score
Xeon w5-2455X outperforms Core i3-1305U by a whopping 330% based on our aggregate benchmark results.
Primary details
Comparing Core i3-1305U and Xeon w5-2455X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1141 | 208 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 62.29 |
| Market segment | Laptop | Server |
| Series | Intel Raptor Lake-U | no data |
| Power efficiency | 34.89 | 11.27 |
| Architecture codename | Raptor Lake-U (2023) | Sapphire Rapids (2023−2024) |
| Release date | 4 January 2023 (1 year ago) | 15 February 2023 (1 year ago) |
| Launch price (MSRP) | $309 | $1,039 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i3-1305U and Xeon w5-2455X 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 | 5 (Penta-Core) | 12 (Dodeca-Core) |
| Threads | 6 | 24 |
| Base clock speed | 1.6 GHz | 3.2 GHz |
| Boost clock speed | 4.5 GHz | 4.6 GHz |
| L1 cache | 80K (per core) | 80 KB (per core) |
| L2 cache | 1.25 MB (per core) | 2 MB (per core) |
| L3 cache | 10 MB (shared) | 30 MB |
| Chip lithography | Intel 7 nm | Intel 7 nm |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 77 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i3-1305U and Xeon w5-2455X 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 | FCBGA1744 | FCLGA4677 |
| Power consumption (TDP) | 15 Watt | 200 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i3-1305U and Xeon w5-2455X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | + | + |
Security technologies
Core i3-1305U and Xeon w5-2455X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | no data |
| SGX | no data | - |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i3-1305U and Xeon w5-2455X are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i3-1305U and Xeon w5-2455X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200, DDR4-3200, LPDDR4x-4267 | DDR5-4800 |
| Maximum memory size | 96 GB | 2 TB |
| Max memory channels | 2 | 4 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® UHD Graphics for 13th Gen Intel® Processors | N/A |
| Quick Sync Video | + | - |
| Graphics max frequency | 1.25 GHz | no data |
| Execution Units | 64 | no data |
Graphics interfaces
Available interfaces and connections of Core i3-1305U and Xeon w5-2455X integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core i3-1305U and Xeon w5-2455X integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2304 @ 60Hz | no data |
| Max resolution over eDP | 4096 x 2304 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by Core i3-1305U and Xeon w5-2455X 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 i3-1305U and Xeon w5-2455X.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 8 | 64 |
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 | 5.74 | 24.71 |
| Recency | 4 January 2023 | 15 February 2023 |
| Physical cores | 5 | 12 |
| Threads | 6 | 24 |
| Power consumption (TDP) | 15 Watt | 200 Watt |
i3-1305U has 1233.3% lower power consumption.
Xeon w5-2455X, on the other hand, has a 330.5% higher aggregate performance score, an age advantage of 1 month, and 140% more physical cores and 300% more threads.
The Xeon w5-2455X is our recommended choice as it beats the Core i3-1305U in performance tests.
Be aware that Core i3-1305U is a notebook processor while Xeon w5-2455X is a server/workstation one.
Should you still have questions on choice between Core i3-1305U and Xeon w5-2455X, ask them in Comments section, and we shall answer.
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