Core i3-1305U vs Core i5-8350U
Aggregate performance score
i3-1305U outperforms i5-8350U by a considerable 44% based on our aggregate benchmark results.
Primary details
Comparing Core i5-8350U and Core i3-1305U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1373 | 1083 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i5 | Intel Raptor Lake-U |
| Architecture codename | Kaby Lake Refresh (2017−2019) | Raptor Lake-U |
| Release date | 21 August 2017 (6 years ago) | 4 January 2022 (2 years ago) |
| Launch price (MSRP) | $297 | no data |
Detailed specifications
Core i5-8350U and Core i3-1305U 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) | 5 (Penta-Core) |
| Threads | 8 | 6 |
| Base clock speed | 1.7 GHz | 1.6 GHz |
| Boost clock speed | 1.7 GHz | 4.5 GHz |
| Bus support | 4 GT/s | no data |
| L1 cache | 256 KB | 464 KB |
| L2 cache | 1 MB | 3.5 MB |
| L3 cache | 6 MB | 10 MB |
| Chip lithography | 14 nm | 10 nm |
| Die size | 123 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Core i5-8350U and Core i3-1305U 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 (Uniprocessor) | 1 |
| Socket | BGA1356 | BGA1700 |
| Power consumption (TDP) | 15 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8350U and Core i3-1305U. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Hyper-Threading Technology | + | no data |
| TSX | no data | + |
Security technologies
Core i5-8350U and Core i3-1305U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-8350U and Core i3-1305U are enumerated here.
| AMD-V | + | no data |
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-8350U and Core i3-1305U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4, DDR5 Dual-channel |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | no data |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel UHD Graphics 620 | Intel UHD Graphics 64EUs (Alder Lake 12th Gen) |
Peripherals
Specifications and connection of peripherals supported by Core i5-8350U and Core i3-1305U.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 12 | 8 |
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 i3-1305U outperforms Core i5-8350U by 44% 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 i3-1305U outperforms Core i5-8350U by 44% in Passmark.
Pros & cons summary
| Performance score | 4.01 | 5.76 |
| Integrated graphics card | 2.67 | 7.14 |
| Recency | 21 August 2017 | 4 January 2022 |
| Physical cores | 4 | 5 |
| Threads | 8 | 6 |
| Chip lithography | 14 nm | 10 nm |
i5-8350U has 33.3% more threads.
i3-1305U, on the other hand, has a 43.6% higher aggregate performance score, 167.4% faster integrated GPU, an age advantage of 4 years, 25% more physical cores, and a 40% more advanced lithography process.
The Core i3-1305U is our recommended choice as it beats the Core i5-8350U in performance tests.
Should you still have questions on choice between Core i5-8350U and Core i3-1305U, ask them in Comments section, and we shall answer.
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