Intel Core i5-8265U

The Intel Core i5-8265U is a power efficient quad-core SoC for notebooks and Ultrabooks based on the Whiskey Lake generation and will probably be announced in August 2018. 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 i5-8265U offers e.g. high Turbo clock speeds of 3,9 GHz (versus 3,4 GHz of the i5-8250U) for a single core (3.8 for two cores, 3.7 GHz for all four 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). Thermal Velocity Boost is not supported (only in the Core i7-8565U).

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.


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.


The performance of the i5-8265U 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. For the Core i7, Intel estimates between 3-11% higher performance to the Kaby-Lake-R generation and that should be similar in the Core i5 (as long as the cooling is sufficient).


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.

Warning: Above information is partly still based on rumors and leaks and may therefore change till release.

SeriesIntel Core i5
CodenameWhiskey Lake-U
Clock Rate1600 - 3900 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
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 Date08/21/2018


Cinebench R15 - CPU Multi 64Bit
min: 524     avg: 563.5     median: 563.5 (13%)     max: 603 Points
Cinebench R15 - CPU Single 64Bit
159 Points (73%)
Cinebench R11.5 - CPU Multi 64Bit
5.5 Points (20%)
Cinebench R11.5 - CPU Single 64Bit
1.9 Points (77%)
Cinebench R10 - Rendering Single 32Bit
6165 Points (67%)
wPrime 2.0x - 1024m *
433.3 seconds (5%)
X264 HD Benchmark 4.0 - Pass 2
31.9 fps (22%)
X264 HD Benchmark 4.0 - Pass 1
150.5 fps (56%)
TrueCrypt - Serpent Mean 100MB
0.5 GB/s (0%)
3DMark 06 - CPU
5926 Points (17%)
Super Pi mod 1.5 XS 1M *
9.8 Seconds (2%)
Super Pi mod 1.5 XS 2M *
22.1 Seconds (1%)
Super Pi Mod 1.5 XS 32M *
542.5 Seconds (2%)
3DMark 11 - Performance Physics 1280x720
min: 6593     avg: 6680     median: 6680 (36%)     max: 6767 points
3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
min: 49661     avg: 50241     median: 50241 (58%)     max: 50821 Points
3DMark - Cloud Gate Standard Physics 1280x720
min: 5265     avg: 5778.5     median: 5778.5 (15%)     max: 6292 Points
Geekbench 4.1/4.2 - 64 Bit Single-Core Score
4714 Points (74%)
Geekbench 4.1/4.2 - 64 Bit Multi-Core Score
15051 Points (42%)
- 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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