Core i7-8565U

Details and Benchmarks for Intel Core i7-8565U

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Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Core i7-8565U based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,390 Rank: 560
Rank Name Score Visual
556 Xeon E3-1230 v6 5,398
+0.1%
557 Core i7-9700T 5,396
+0.1%
558 Ryzen 7 5700U 5,393
+0.1%
559 Xeon E3-1585 v5 5,390
+0%
560 Core i7-8565U 5,390
561 Xeon E5-4660 v4 5,389
+-0%
562 Core i7-7920HQ 5,389
+-0%
563 Xeon E-2314 5,386
-0.1%
564 Ryzen 7 4700U 5,385
-0.1%
565 Core i7-1185G7 5,385
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core i7-8565U based on multi-threaded benchmark results.

4,894 Rank: 732
Rank Name Score Visual
728 Xeon E3-1275 v3 4,898
+0.1%
729 Core i7-5700HQ 4,898
+0.1%
730 Core i7-6785R 4,897
+0.1%
731 Core i7-5950HQ 4,894
+0%
732 Core i7-8565U 4,894
733 Xeon E3-1230 v3 4,894
+0%
734 Core i7-1065G7 4,893
+-0%
735 Xeon Silver 4109T 4,892
+-0%
736 Xeon X5690 4,892
+-0%
737 Xeon E5-1660 v2 4,892
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Core i7-8565U based on single-threaded benchmark results.

5,721 Rank: 403
Rank Name Score Visual
399 Core i7-10700T 5,731
+0.2%
400 Xeon W-3245M 5,723
+0%
401 Pentium Gold G7400T 5,723
+0%
402 Xeon E3-1260L v5 5,721
+0%
403 Core i7-8565U 5,721
404 Xeon W-2175 5,720
+-0%
405 Xeon W-3235 5,717
-0.1%
406 Core i7-7920HQ 5,716
-0.1%
407 Xeon Gold 5418Y 5,713
-0.1%
408 Pentium Gold G5620 5,712
-0.2%

View full ranking →

Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Core i7-8565U based on integer math, floating point math, and prime number computation benchmarks.

4,656 Rank: 802
Rank Name Score Visual
798 Core i5-8305G 4,658
+0%
799 Core i7-4810MQ 4,658
+0%
800 Core i5-4670 4,657
+0%
801 Xeon W-2102 4,656
+0%
802 Core i7-8565U 4,656
803 Core i7-3920XM 4,656
+0%
804 Core i7-3840QM 4,656
+0%
805 Core i7-4722HQ 4,656
+0%
806 Core i5-10210U 4,655
+-0%
807 Ryzen 3 1200 4,655
+-0%

View full ranking →

Data Processing

Aggregated score for Core i7-8565U based on data encryption, data compression, and string sorting benchmarks.

4,620 Rank: 856
Rank Name Score Visual
852 Core i7-3635QM 4,621
+0%
853 Pentium Gold G7400 4,621
+0%
854 Ryzen 3 2300U 4,620
+0%
855 Core i5-4690 4,620
+0%
856 Core i7-8565U 4,620
857 Core i7-2600S 4,620
+0%
858 Core i5-5675C 4,619
+-0%
859 Xeon L5640 4,619
+-0%
860 Core i5-4670K 4,618
+-0%
861 Core i5-8265U 4,618
+-0%

View full ranking →

Physics & Compute

Aggregated score for Core i7-8565U based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,668 Rank: 803
Rank Name Score Visual
799 Core i5-6500TE 4,668
+0%
800 Xeon Bronze 3204 4,668
+0%
801 Core i5-7400T 4,668
+0%
802 Core i7-3770K 4,668
+0%
803 Core i7-8565U 4,668
804 Xeon E3-1270 V2 4,668
+0%
805 Core i5-6500T 4,666
+-0%
806 Xeon E3-1290 v2 4,666
+-0%
807 Xeon E3-1240 V2 4,665
-0.1%
808 Xeon D-1521 4,664
-0.1%

View full ranking →

Core i7-8565U Details

Built on Intel's Whiskey Lake-U architecture at a 14 nm process, the Core i7-8565U is a mobile processor launched in October 2018, now considered a legacy device as of early 2026. Designed for power-efficient performance in thin and light laptops, it features four cores and eight threads thanks to Intel Hyper-Threading, making it capable of handling multitasking and moderately demanding workloads. With a base clock of 1.8 GHz and a turbo frequency reaching up to 4.6 GHz, the i7-8565U delivers strong single-core performance, which is critical for everyday productivity and responsiveness. The chip operates at a modest 15 W TDP, contributing to excellent power efficiency and extended battery life in portable systems.

The Core i7-8565U integrates Intel's UHD Graphics 620, which supports up to three displays and runs at a maximum frequency of 1.15 GHz. While not suitable for modern gaming or intensive graphics tasks, this integrated GPU is adequate for light multimedia, office applications, and basic content creation. The processor supports dual-channel DDR4-2400 and LPDDR3-2133 memory with a maximum capacity of 32 GB, enabling balanced memory bandwidth of up to 38.4 GB/s. It uses the FCBGA1528 socket and communicates via PCIe 3.0, offering sufficient connectivity for storage and expansion options in modern laptops.

Key features include support for Intel’s AVX2 instruction set, AES-NI encryption, and virtualization technologies such as VT-x and VT-d, which enhance security and performance in virtualized environments. The processor also supports Intel vPro for enterprise-grade management and includes advanced power-saving technologies like Enhanced SpeedStep and C-states. Despite having a locked multiplier, limiting overclocking potential, the i7-8565U remains a solid choice for users who prioritize efficiency and performance per watt.

In benchmark testing, the Core i7-8565U achieves an overall score of 5,390, placing it at #559 out of 2060 processors. It scores 5,721 in single-core performance, ranking #402, and 4,894 in multicore performance, placing it at #731. While it outperforms many older and low-power processors, its performance is now surpassed by modern CPUs such as the Ryzen 7 5700U and Core i7-9700T. The processor competes closely with mid-tier mobile chips from the same era, such as the Core i7-7920HQ and Xeon E5-1660 v2, but falls behind in both single- and multicore performance compared to newer generations.

As of February 2026, the Core i7-8565U remains a viable option for basic computing, office work, and light content creation in budget-friendly laptops. Its efficiency and integrated graphics make it suitable for users who prioritize portability and battery life over raw performance. However, for demanding applications such as video editing, gaming, or AI workloads, modern processors with higher core counts and advanced architectures offer significantly better performance.
Frequently Compared

Intel Xeon E5-2682 v4 8 views

AMD FX-9800P 7 views

AMD Ryzen Threadripper 2990WX 4 views

AMD Ryzen 9 PRO 3900 2 views

AMD Ryzen 5 PRO 3500U 2 views

AMD Ryzen 3 PRO 2200GE 1 view

Intel Xeon Silver 4214 1 view

Intel Xeon Silver 4116 1 view

Intel Xeon Silver 4114 1 view

Intel Xeon Silver 4110 1 view

Intel Core i7-8565U

Main Specifications

Designer: Intel
Name: Core i7-8565U
Model Number: i7-8565U
Cores: 4
Threads: 8
Base Frequency: 1800 MHz
Clock Multiplier: 18x (locked)
Core Name: Whiskey Lake-U
Socket: FCBGA1528
Package: FC-BGA1440
Target Segment: Mobile
Max CPUs: 1
TDP: 15 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.244 MiB
L3 Cache: 7.629 MiB

Memory Specifications

Supported Memory Type: DDR4-2400, LPDDR3-2133
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 37.5 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 3.0
PCIe Lanes: 16
PCIe Configuration: 1x4, 2x2, 1x2+2x1 and 4x1

Integrated Graphics

GPU: UHD Graphics 620
GPU Designer: Intel
GPU Max Frequency: 1150 MHz

Physical Specifications

Process: 14 nm
Die Area: 123 mm²
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 BMI1 BMI2 FMA3 AES CLMUL F16C x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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