Core i5-8257U vs Pentium 3558U
Aggregate performance score
i5-8257U outperforms Pentium 3558U by a whopping 633% based on our aggregate benchmark results.
Primary details
Comparing Pentium 3558U and Core i5-8257U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2639 | 1183 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Pentium | Intel Core i5 |
| Architecture codename | Haswell (2013−2015) | Coffee Lake-U (2018−2019) |
| Release date | 1 January 2014 (10 years ago) | 10 July 2019 (4 years ago) |
| Launch price (MSRP) | $161 | no data |
| Current price | $295 (1.8x MSRP) | no data |
Detailed specifications
Pentium 3558U and Core i5-8257U 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 | 2 (Dual-core) | 4 (Quad-Core) |
| Threads | 2 | 8 |
| Base clock speed | 1.7 GHz | 1.4 GHz |
| Boost clock speed | 1.7 GHz | 3.9 GHz |
| L1 cache | 128 KB | 256 KB |
| L2 cache | 512 KB | 1 MB |
| L3 cache | 2 MB | 6 MB |
| Chip lithography | 22 nm | 14 nm |
| Maximum core temperature | 100 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Pentium 3558U and Core i5-8257U 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 | FCBGA1168 | FCBGA1528 |
| Power consumption (TDP) | 15 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 3558U and Core i5-8257U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| eDRAM | no data | 128 MB |
| Speed Shift | no data | + |
| My WiFi | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| TSX | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| SIPP | - | - |
| Smart Response | - | no data |
| GPIO | + | no data |
| Smart Connect | + | no data |
| FDI | - | no data |
| AMT | 9.5 | no data |
| Matrix Storage | - | no data |
| Status | Discontinued | Discontinued |
| HD Audio | + | no data |
| RST | + | no data |
Security technologies
Pentium 3558U and Core i5-8257U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | + | + |
| MPX | no data | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | - | + |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 3558U and Core i5-8257U are enumerated here.
| AMD-V | + | + |
| VT-d | - | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 3558U and Core i5-8257U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
| Maximum memory size | 16 GB | 32 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | 37.5 GB/s |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 4th Generation Intel® Processors | Intel Iris Plus Graphics 645 |
| Max video memory | no data | 32 GB |
| Quick Sync Video | + | + |
| Clear Video | + | + |
| Clear Video HD | - | + |
| Graphics max frequency | 1 GHz | 1.05 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Pentium 3558U and Core i5-8257U integrated GPUs.
| Number of displays supported | 3 | 3 |
| eDP | + | + |
| DisplayPort | + | + |
| HDMI | + | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Pentium 3558U and Core i5-8257U integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2304@30Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 4096x2304@60Hz |
Graphics API support
APIs supported by Pentium 3558U and Core i5-8257U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Pentium 3558U and Core i5-8257U.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 10 | 16 |
| PCI support | - | no data |
| USB revision | 3.0 | no data |
| Total number of SATA ports | 2 | no data |
| Max number of SATA 6 Gb/s Ports | 2 | no data |
| Integrated IDE | - | no data |
| Number of USB ports | 4 | no data |
| Integrated LAN | - | no data |
| UART | + | 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. 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 i5-8257U outperforms Pentium 3558U by 633% 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 i5-8257U outperforms Pentium 3558U by 628% in Passmark.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Benchmark coverage: 15%
Core i5-8257U outperforms Pentium 3558U by 391% in Cinebench 15 64-bit multi-core.
Cinebench 15 64-bit single-core
Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.
Benchmark coverage: 15%
Core i5-8257U outperforms Pentium 3558U by 135% in Cinebench 15 64-bit single-core.
Pros & cons summary
| Performance score | 0.66 | 4.84 |
| Recency | 1 January 2014 | 10 July 2019 |
| Physical cores | 2 | 4 |
| Threads | 2 | 8 |
| Chip lithography | 22 nm | 14 nm |
The Core i5-8257U is our recommended choice as it beats the Pentium 3558U in performance tests.
Should you still have questions on choice between Pentium 3558U and Core i5-8257U, ask them in Comments section, and we shall answer.
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