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Intel Core i7-8565U

The Intel Core i7-8565U is a power efficient quad-core SoC for notebooks and Ultrabooks based on the Whiskey Lake generation that was announced in August 2018 (IFA). Compared to the similar named Kaby Lake-R processors (e.g. Core i7-8550U), 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 i7-8565U offers e.g. high Turbo clock speeds of 4,6 GHz (versus 4 GHz of the i7-8550U) for a single core and 4.1 GHz (versus 3.7 GHz) of all cores (4.1 GHz for 2 cores). 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). Compared to the slower Core i5-8265U and i3-8145U, the i7 supports Thermal Velocity Boost.

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 microarchitecture 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 i7-8565U 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 additional Turbo  clock speed can be made use of. It looks like Intel is promoting the i7 to be 3 - 11% faster than the previous i7-8550U, with Cinebench R15 Multi reaching 5% gains.

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 i7
CodenameWhiskey Lake-U

Series: Core i7 Whiskey Lake-U

Intel Core i7-8665U compare1.9 - 4.8 GHz4 / 8 cores8 MB L3
Intel Core i7-8565U « 1.8 - 4.6 GHz4 / 8 cores8 MB L3
Clock Rate1800 - 4600 MHz
Level 1 Cache256 KB
Level 2 Cache1 MB
Level 3 Cache8 MB
Number of Cores / Threads4 / 8
Power Consumption (TDP = Thermal Design Power)15 Watt
Manufacturing Technology14 nm
SocketBGA1528
FeaturesDual-Channel DDR4 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI
GPUIntel UHD Graphics 620 (300 - 1150 MHz)
64 Bit64 Bit support
Architecturex86
Announcement Date08/21/2018

Benchmarks

Performance Rating - CB R15 + R20 + 7-Zip + X265 + Blender + 3DM11 CPU
33.8 pt (38%)
Cinebench R20 - Cinebench R20 CPU (Single Core)
min: 342     avg: 409.3     median: 411.5 (47%)     max: 472 Points
Cinebench R20 - Cinebench R20 CPU (Multi Core)
min: 954     avg: 1257     median: 1181.5 (5%)     max: 1645 Points
Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 452     avg: 612     median: 608.5 (6%)     max: 815 Points
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Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 138.3     avg: 172.5     median: 173 (53%)     max: 193 Points
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 4.09     avg: 6.3     median: 6.8 (10%)     max: 7.4 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 0.65     avg: 1.8     median: 1.9 (6%)     max: 2.16 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 2682     avg: 6571     median: 6644 (40%)     max: 8906 points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 13806     avg: 17608     median: 16760 (12%)     max: 23118 points
7-Zip 18.03 - 7-Zip 18.03 Multli Thread 4 runs
min: 10531     avg: 17993     median: 18860 (12%)     max: 24847 MIPS
7-Zip 18.03 - 7-Zip 18.03 Single Thread 4 runs
min: 2029     avg: 4558     median: 4737 (57%)     max: 5923 MIPS
HWBOT x265 Benchmark v2.2 - HWBOT x265 4k Preset
min: 3.24     avg: 4.7     median: 4.7 (10%)     max: 5.5 fps
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Blender - Blender 2.79 BMW27 CPU *
min: 687     avg: 821     median: 806.5 (6%)     max: 1175 Seconds
R Benchmark 2.5 - R Benchmark 2.5 *
min: 0.682     avg: 0.8     median: 0.8 (17%)     max: 0.851 sec
3DMark 06 - CPU - 3DMark 06 - CPU
min: 2813     avg: 5806     median: 6158 (13%)     max: 7928 Points
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 16249     avg: 20521     median: 20544 (19%)     max: 25525 Points
3DMark 11 - 3DM11 Performance Physics
min: 3083     avg: 6977     median: 6739 (18%)     max: 9422 Points
3DMark - 3DMark Ice Storm Physics
min: 18314     avg: 43687     median: 46109 (38%)     max: 58024 Points
3DMark - 3DMark Ice Storm Extreme Physics
min: 19795     avg: 41691     median: 40823 (34%)     max: 57796 Points
3DMark - 3DMark Ice Storm Unlimited Physics
min: 22018     avg: 45134     median: 49602 (42%)     max: 60319 Points
3DMark - 3DMark Cloud Gate Physics
min: 2413     avg: 5785     median: 5756 (15%)     max: 8032 Points
3DMark - 3DMark Fire Strike Standard Physics
min: 3409     avg: 8376     median: 8361 (15%)     max: 11865 Points