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Intel Core i5-8365U

The Intel Core i5-8365U is a power efficient quad-core SoC for notebooks and Ultrabooks based on the Whiskey Lake generation and was announced in April 2019 as part of two vPro capable CPUs of the WHL-U series. Compared to the similar named Kaby Lake-R processors (e.g. Core i5-8250U), the Whiskey Lake CPUs are now produced in a further improved 14nm process (14nm++) and offer higher clock speeds. The architecture and features are the same. The i5-8365U offers e.g. high Turbo clock speeds of 4.1 GHz (versus 3.4 GHz of the i5-8250U) for a single core. The integrated GPU is still named Intel UHD Graphics 620 and the dual-channel memory controller still supports the same RAM speeds as Kaby-Lake-R (DDR4-2400 / LPDDR3-2133). Thermal Velocity Boost is not supported (only in the Core i7-8565U).

Compared to the predecessor, the Core i5-8265U, the i5-8365U offers a 200 MHz higher Turbo Boost. As the i5-8365U first appeared in a Thinkpad, the CPU most likely supports vPRO for additional hardware management features.

The Whiskey Lake SoCs are used with a new PCH produced in 14nm that supports USB 3.1 Gen 2 (10 Gbps) and CNVi WiFi/BT parts.

Architecture

Intel basically uses the same micro architecture compared to Skylake and Kaby Lake, so the per-MHz performance does not differ. That means Whiskey Lake is a Kaby Lake chip manufactured in the improved 14nm++ process.

Performance

The performance of the i5-8365U depends on the cooling solution of the laptop and the defined TDP limits for short and long term performance. We already saw big differences for Kaby Lake-R (e.g., i7-8550U benchmarks), especially for long term (sustained) performance. Therefore, it will be interesting to see how the additionalTurbo  clock speed can be made use of. Compared to the Core i5-8265U (see for benchmarks), the 200 MHz higher Turbo Boost should result in some gains in single core benchmarks.

Graphics

The integrated Intel UHD Graphics 620 (Intel Gen 9.5) is untouched from the 8th Gen Kaby Lake chips. With fast dual-channel memory it can reach the performance of a dedicated GeForce 920M.

Contrary to Skylake, Kaby Lake and Whiskey Lake now also supports H.265/HEVC Main 10 with a 10-bit color depth as well as Google's VP9 codec. The dual-core Kaby Lake processors announced in January should also support HDCP 2.2.

Power Consumption

The chip is manufactured in a further improved 14nm process with FinFET transistors (14nm++), the same as the 8th Gen Coffee Lake processors. Intel still specifies the TDP with 15 Watts, which is typical for ULV chips. Depending on the usage scenario, the TDP can vary between 7.5 (cTDP Down) and 25 Watts.

SeriesIntel Core i5
CodenameWhiskey Lake-U
Series: Core i5 Whiskey Lake-U
» Intel Core i5-8365U1600 - 4100 MHz4 / 86 MB
Intel Core i5-8265U (compare)1600 - 3900 MHz4 / 86 MB
Clock Rate1600 - 4100 MHz
Level 1 Cache256 KB
Level 2 Cache1 MB
Level 3 Cache6 MB
Number of Cores / Threads4 / 8
Max. Power Consumption (TDP = Thermal Design Power)15 Watt
Manufacturing Technology14 nm
Max. Temperature100 °C
SocketBGA1528
FeaturesDual-Channel DDR4 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI
GPUIntel UHD Graphics 620 (300 - 1100 MHz)
64 Bit64 Bit support
Announcement Date04/16/2019
Product Link (external)Intel Core i5 8365U

Benchmarks

Cinebench R15 - CPU Multi 64Bit
min: 515     avg: 557.8     median: 568 (13%)     max: 580 Points
Cinebench R15 - CPU Single 64Bit
min: 163     avg: 166.5     median: 166 (76%)     max: 171 Points
Cinebench R11.5 - CPU Multi 64Bit
5.7 Points (13%)
7-Zip 18.03 - 7z b 4
min: 16711     avg: 17312     median: 17293 (17%)     max: 17932 MIPS
7-Zip 18.03 - 7z b 4 -mmt1
min: 3958     avg: 4260.7     median: 4346 (63%)     max: 4478 MIPS
Blender 2.79 *
min: 791     avg: 823.7     median: 825 (9%)     max: 855 Seconds
3DMark 11 - Performance Physics 1280x720
min: 6016     avg: 6521.5     median: 6395 (33%)     max: 7280 points
3DMark - Ice Storm Standard Physics 1280x720
min: 48328     avg: 49088     median: 49088 (32%)     max: 49848 Points
3DMark - Ice Storm Extreme Physics 1920x1080
min: 49912     avg: 50182     median: 50182 (60%)     max: 50452 Points
3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
min: 55371     avg: 56206.5     median: 56206 (65%)     max: 57042 Points
3DMark - Cloud Gate Standard Physics 1280x720
min: 5405     avg: 5910     median: 6159 (16%)     max: 6166 Points
3DMark - Fire Strike Physics 1920x1080
min: 7744     avg: 8376.5     median: 8376 (26%)     max: 9009 Points
Geekbench 4.4 - 64 Bit Single-Core Score
min: 4647     avg: 4822.5     median: 4822 (76%)     max: 4998 Points
Geekbench 4.4 - 64 Bit Multi-Core Score
min: 14833     avg: 15472     median: 15472 (27%)     max: 16111 Points
Mozilla Kraken 1.1 - Total Score *
min: 1098     avg: 1141.7     median: 1161 (2%)     max: 1165 ms
Octane V2 - Total Score
min: 31051     avg: 32738     median: 32878 (63%)     max: 34285 Points
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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