Intel Core i5-8257U Testing in 8 Benchmarks. Intel Core i5-8257U Specifications: The architecture is Coffee Lake U , the number of cores is 4, and the number of threads is 4. The base clock speed of Intel Core i5-8257U is 1.40 GHz. The model supports motherboards with a socket of BGA 1528. The Supported Memory Type is DDR4-2400 SO-DIMM LPDDR3-2133 (maximum ). PCIe version is 16.

Intel Core i5-8257U in 8 Benchmarks. 14 nm, 1.40 GHz
Basic specifications Intel Core i5-8257U
Intel Core i5-8257U technical specifications and performance testing in benchmarks will open you to all the advantages and disadvantages of Intel Core i5-8257U. Please learn the key figures of the clock speed and L2/L3 cache and make the right decision.
Essentials Specifications Intel Core i5-8257U
The general technical information depicts the base data of a CPU’s number of cores and threads, and base and turbo-boost clock speed. Here are key features influencing the performance.
CPU Cores / Threads: | 4 / 8 | |||
Hyperthreading: | Yes | |||
Overclocking: | No | |||
Frequency: | 1.40 GHz | |||
Turbo Frequency (1 Core): | 3.90 GHz | |||
Turbo Frequency (4 Cores): | 3.20 GHz |
CPU generation and family Intel Core i5-8257U
The generation of a Intel Core i5-8257U CPU, the segment of usage (computer, server or mobile type), the preceding model of a CPU, and its successor.
Market price: | ca. 320 $ | |||
Generation: | 9.5 |
Processor Graphics Intel Core i5-8257U
Not every CPU is equipped with a built-in graphic core. However, if Intel Core i5-8257U has internal graphics, it is another advantage. Please pay attention to the base and turbo clock speed of the graphic core.
GPU name: | Intel Iris Plus Graphics 645 | |||
GPU frequency: | 0.30 GHz | |||
GPU (Turbo): | 1.05 GHz | |||
Execution units: | 48 | |||
Shader: | 384 | |||
Max. displays: | 3 | |||
Generation: | 9.5 | |||
Direct X: | 12 | |||
Technology: | 14 nm | |||
Release date: | Q4/2017 |
Hardware codec support Intel Core i5-8257U
Technical information that does not affect the final performance.
h265 8bit: | Decode / Encode | |||
h265 10bit: | Decode / Encode | |||
h264: | Decode / Encode | |||
VP8: | Decode / Encode | |||
VP9: | Decode / Encode | |||
AVC: | Decode / Encode | |||
VC-1: | Decode | |||
JPEG: | Decode / Encode |
Memory Specifications Intel Core i5-8257U
Which memory does Intel Core i5-8257U support? How many channels are operated and how large the memory capacity can be to build in the motherboard? Here are the general data on the capacity and other technology.
Memory type: | DDR4-2400 SO-DIMM LPDDR3-2133 | |||
Memory channels: | 2 | |||
ECC: | No | |||
AES-NI: | Yes |
Thermal Management (TDP) Intel Core i5-8257U
TDP shows which cooling system is necessary for a Intel Core i5-8257U CPU. It stands for Thermal Design Power. Here are all the CPU specifications: the maximum temperature, the approximate thermal calculation for power supply and others.
TDP: | 15 W | |||
TDP up: | -- | |||
TDP down: | -- | |||
Tjunction max.: | -- |
Additional specifications Intel Core i5-8257U
Intel Core i5-8257U technical specifications contain the general data on the technological process of chip production (in nanometer), the cache of L2/L3, the architecture of the central core and ISA extension.
L3-Cache: | 6.00 MB | |||
Architecture: | Coffee Lake U | |||
Technology: | 14 nm | |||
Virtualization: | VT-x, VT-x EPT, VT-d | |||
Socket: | BGA 1528 | |||
Release date: | Q3/2019 |
Use Conditions Intel Core i5-8257U
Used in: | Apple MacBook Pro 13 (2019) |
Cinebench R20 (Single-Core) - Intel Core i5-8257U
Cinebench R20 Benchmark is an upgraded version of Cinebench R15 Benchmark. Similarly to the preceding one, this version was developed on the Cinema 4 Suite software. The benchmark tests the performance of a single-core CPU not given the hyperthreading. Here are the updated results to learn.
Cinebench R20 (Multi-Core) - Intel Core i5-8257U
The Maxon Company has developed an accurate benchmark of CPU performance, Cinebench R20, based on the software complex Cinema 4 Suite. The scenarios of data proceeding and calculations reflect the efficiency high-performance of a CPU given all the cores and hyperthreading support.
Cinebench R15 (Single-Core) - Intel Core i5-8257U
It is the Cinebench R15 benchmark for testing CPUs upon using a single core not given hyperthreading. The real performance in testing rendering is perfectly suitable for all the CPU segments. Learn Cinebench R15’s results and the number of scores below.
Cinebench R15 (Multi-Core) - Intel Core i5-8257U
Cinebench R15 Benchmark supports all the CPU cores in testing and takes into account hyperthreading. It was developed on the brand software company Cinema 4 Suite of Maxon. The Cinebench R15 scores are presented below.
iGPU - FP32 Performance - Intel Core i5-8257U
The testing benchmark iGPU is integrated graphics cores in the central processor. The general graphics performance to benchmark the high-speed performance of the video chip is tested. The evaluation scores are presented below. Pay attention that not every manufacturer builds in an inner graphics core. Thus, the general results of the performance do not depend on this parameter, that is considered of good advantage.
Geekbench 5, 64bit (Single-Core) - Intel Core i5-8257U
Many wonders how good the scores of Geekbench 5 in testing CPUs are. So, we are here to answer: they are accurate and impartial to brands. The higher the evaluation of Geekbench 5 in testing performance of a CPU single core is, the better. Check out the results and compare them.
Geekbench 5, 64bit (Multi-Core) - Intel Core i5-8257U
A 64-bit version of Geekbench 5 is used for testing CPU performance using all the cores and threads. The Geekbench 5 for multi-core models shows scores of how performing and fast a chip is in the review or comparison.
PassMark CPU Mark - Intel Core i5-8257U
The evaluation of PassMark benchmark is more authoritative among all the experienced users. Exactly the PassMark takes the lead in testing CPU performance. The evaluation result of CPU speed is checked in the condition of complex calculation and 3D rendering.