Core i5-8257U: specs and benchmarks
Aggregate performance score
Core i5-8257U provides poor benchmark performance at 4.70% of a leader's which is a 96-core EPYC 9655P.
Summary
Intel started Core i5-8257U sales 10 July 2019. This is a Coffee Lake-U architecture notebook processor primarily aimed at office systems. It has 4 cores and 8 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 3900 MHz and a locked multiplier.
Compatibility-wise, this is FCBGA1528 processor with a TDP of 15 Watt. It supports DDR4 memory.
Primary details
Core i5-8257U processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 1267 | |
| Place by popularity | not in top-100 | |
| Market segment | Laptop | |
| Series | Intel Core i5 | |
| Power efficiency | 29.65 | of 100.00 (Core Ultra 7 164U) |
| Architecture codename | Coffee Lake-U (2018−2019) | |
| Release date | 10 July 2019 (5 years ago) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 4 (Quad-Core) | |
| Threads | 8 | |
| Base clock speed | 1.4 GHz | of 4.7 GHz (FX-9590) |
| Boost clock speed | 3.9 GHz | of 6.2 GHz (Core i9-14900KS) |
| Bus rate | 4 GT/s | |
| L1 cache | 256 KB | of 80 KB (EPYC 9965) |
| L2 cache | 1 MB | of 2 MB (Xeon 6980P) |
| L3 cache | 6 MB | of 1152 MB (EPYC 9684X) |
| Chip lithography | 14 nm | of 3 nm (Apple M3 Max 16-Core) |
| Maximum core temperature | 100 °C | of 110 °C (Atom x7-E3950) |
| 64 bit support | + | |
| Windows 11 compatibility | + |
Compatibility
Information on Core i5-8257U compatibility with other computer components and devices: 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 | of 8 (Opteron 842) |
| Socket | FCBGA1528 | |
| Power consumption (TDP) | 15 Watt | of 3100 ‑ 4500 (Ryzen 7 7435H) |
Technologies and extensions
Technological capabilities and additional instructions supported by 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® AVX2 | |
| AES-NI | + | |
| AVX | + | |
| Enhanced SpeedStep (EIST) | + | |
| eDRAM | 128 MB | |
| Speed Shift | + | |
| My WiFi | + | |
| Turbo Boost Technology | 2.0 | |
| Hyper-Threading Technology | + | |
| Idle States | + | |
| Thermal Monitoring | + | |
| Flex Memory Access | + |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | |
| EDB | + | |
| Secure Key | + | |
| MPX | + | |
| Identity Protection | + | |
| SGX | Yes with Intel® ME | |
| OS Guard | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| AMD-V | + | |
| VT-d | + | |
| VT-x | + | |
| EPT | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Core i5-8257U's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR4 | |
| Maximum memory size | 32 GB | of 6 TiB (EPYC 9124) |
| Max memory channels | 2 | of 12 (Xeon Platinum 9221) |
| Maximum memory bandwidth | 37.5 GB/s | of 460.8 GB/s (EPYC 9124) |
Graphics specifications
General parameters of a GPU integrated into Core i5-8257U.
| Integrated graphics card | Intel Iris Plus Graphics 645 | |
| Max video memory | 32 GB | |
| Quick Sync Video | + | |
| Clear Video | + | |
| Clear Video HD | + | |
| Graphics max frequency | 1.05 GHz | |
| InTru 3D | + |
Graphics interfaces
Available interfaces and connections of Core i5-8257U's integrated GPU.
| Number of displays supported | 3 | |
| eDP | + | |
| DisplayPort | + | |
| HDMI | + | |
| DVI | + |
Graphics image quality
Maximum display resolutions supported by Core i5-8257U's integrated GPU, including resolutions over different interfaces.
| 4K resolution support | + | |
| Max resolution over HDMI 1.4 | 4096x2304@30Hz | |
| Max resolution over eDP | 4096x2304@60Hz | |
| Max resolution over DisplayPort | 4096x2304@60Hz |
Graphics API support
APIs supported by Core i5-8257U's integrated GPU, sometimes API versions are included.
| DirectX | 12 | |
| OpenGL | 4.5 |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 3.0 | of 5.0 (Core i9-12900K) |
| PCI Express lanes | 16 | of 128 (EPYC 7551P) |
Benchmark performance
Single-core and multi-core benchmark results of Core i5-8257U. Overall benchmark performance 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.
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.
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.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
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.
Geekbench 5.5 Multi-Core
Blender(-)
Geekbench 5.5 Single-Core
7-Zip Single
7-Zip
WebXPRT 3
Send your test results of Core i5-8257U.
AMD equivalent
According to our data, the closest AMD alternative to Core i5-8257U is Ryzen 7 PRO 3700U, which is nearly equal in speed and higher by 4 positions in our ranking.
Here are some closest AMD rivals to Core i5-8257U:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Core i5-8257U, according to our PC configuration statistics.
These are the fastest graphics cards for Core i5-8257U in our user configuration statistics. There is a total of 327 configurations using Core i5-8257U in our database.
