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Intel Core i3-8109U

The Intel Core i3-8109U is a dual-core SoC for notebooks based on the Coffee Lake architecture and was announced in April 2018. Compared to its predecessor Core i3-7167U, the CPU now supports Turbo boost with up to 3.6 GHz. Thanks to Hyperthreading the CPU can execute up to 4 threads simultaneously. It is also equipped with an Intel Iris Plus Graphics 655 GPU with 128 MB eDRAM (but with 300 - 1050 MHz it is the slowest Iris Plus), a dual-channel memory controller (DDR4) as well as VP9 and H.265 video decoding as well as encoding. The chip is still manufactured in a 14nm++ process (3rd generation) with FinFET transistors.

Architecture

Intel basically uses the same micro architecture compared to Kaby Lake, so the per-MHz performance does not differ. The manufacturer only reworked the Speed Shift technology for faster dynamic adjustments of voltages and clocks, and the improved 14nm process allows much higher frequencies combined with better efficiency than before.

Performance

Thanks to the Turbo Boost, the processor performance should be a bit above the old Core i7-7500U (max. 3.5 GHz, 15 Watt). Therefore the Core i3-8109U should be fine for most applications. Some games however already need four real cores for optimal performance (paired with a dedicated GPU e.g.).

Graphics

The integrated Intel Iris Plus 655 Graphics is the GT3e model of the Kaby Lake GPU (Intel Gen. 9.5). It has 48 Execution Units running at 300-1050 MHz  and the performance is comparable to a GeForce 930M or 940MX thanks to fast eDRAM cache. However, there aren't any significant improvements compared to the old Iris Plus 650, so modern games can often not be played smoothly or only at the lowest or medium settings, respectively.

Contrary to Skylake, Kaby 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 an improved 14nm process (14nm++, 3rd generation of 14nm) with FinFET transistors, which improves the efficiency even further. Intel specifies the TDP with 28 Watts, which can be reduced to 23 Watts (cTDP Down) depending on the usage scenario. The TDP is pretty high compared to the common 15-Watt TDP for quad-core processors, but allows a better utilization of CPU and GPU Turbo.

SeriesIntel Core i3
CodenameCoffee Lake
Series: Core i3 Coffee Lake
Intel Core i3-8100H (compare)3000 MHz4 / 48 MB
» Intel Core i3-8109U3000 - 3600 MHz2 / 44 MB
Clock Rate3000 - 3600 MHz
Level 1 Cache128 KB
Level 2 Cache512 KB
Level 3 Cache4 MB
Number of Cores / Threads2 / 4
Max. Power Consumption (TDP = Thermal Design Power)28 Watt
Manufacturing Technology14 nm
Max. Temperature100 °C
SocketFCBGA1528
FeaturesDual-Channel DDR4 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI, Intel SSE4.1, Intel SSE 4.2
GPUIntel Iris Plus Graphics 655 (300 - 1050 MHz)
64 Bit64 Bit support
Announcement Date04/03/2018
Product Link (external)Intel Core i3 8109U

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Other CPUs of the series Intel Core i3

» Intel Core i3 8100H
   3 GHz / 1 MB L2 + 8 MB L3
» Intel Core i3 8145U
   2.1 GHz / 1 MB L2 + 4 MB L3
» Intel Core i3 8130U
   2.2 GHz / 1 MB L2 + 4 MB L3
» Intel Core i3 8121U
   2.2 GHz / 0.5 MB L2 + 4 MB L3
» Intel Core i3 7100H
   3 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 7167U
   2.8 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 8109U
   3 GHz / 0.5 MB L2 + 4 MB L3
» Intel Core i3 7130U
   2.7 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 6167U
   2.7 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 6100H
   2.7 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 5157U
   2.5 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 6157U
   2.4 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 7100U
   2.4 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 6100U
   2.3 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4110M
   2.6 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4100M
   2.5 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4000M
   2.4 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4100E
   2.4 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 3130M
   2.6 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 3120M
   2.5 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 5020U
   2.2 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 7020U
   2.3 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 3110M
   2.4 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 5010U
   2.1 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 5015U
   2.1 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 6006U
   2 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2370M
   2.4 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 390M
   2.67 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 5005U
   2 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2350M
   2.3 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2348M
   2.3 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 380M
   2.53 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2330M
   2.2 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2328M
   2.2 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4158U
   2 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4120U
   2 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 370M
   2.4 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4030U
   1.9 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4025U
   1.9 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2312M
   2.1 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2310M
   2.1 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2308M
   2.1 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4100U
   1.8 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 3227U
   1.9 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4010U
   1.7 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4005U
   1.7 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 3217U
   1.8 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4102E
   1.6 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4030Y
   1.6 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 350M
   2.26 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4020Y
   1.5 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4012Y
   1.5 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 330M
   2.13 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 4010Y
   1.3 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 3229Y
   1.4 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2377M
   1.5 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2375M
   1.5 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2367M
   1.4 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2365M
   1.4 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 2357M
   1.3 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 380UM
   1.33 GHz / 0.5 MB L2 + 3 MB L3
» Intel Core i3 330UM
   1.2 GHz / 0.5 MB L2 + 3 MB L3

Surrounding CPUs

- Intel Core i7 2620M
   2.7 GHz / 0.5 MB + 4 MB
- Intel Core i7 4600U
   2.1 GHz / 0.5 MB + 4 MB
- Intel Core i7 4650U
   1.7 GHz / 0.5 MB + 4 MB
- Intel Core i3 7167U
   2.8 GHz / 0.5 MB + 3 MB
» Intel Core i3 8109U
   3 GHz / 0.5 MB L2 + 4 MB L3
+ Intel Core i5 6198DU
   2.3 GHz / 512 KB + 3072 KB
+ Intel Core i5 6200U
   2.3 GHz / 512 KB + 3072 KB
+ Intel Core i3 7130U
   2.7 GHz / 512 KB + 3072 KB
+ Intel Core i3 6167U
   2.7 GHz / 512 KB + 3072 KB
+ Intel Core i3 6100H
   2.7 GHz / 512 KB + 3072 KB
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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Notebook Processors > Intel Core i3-8109U SoC (Coffee Lake 28W)
Klaus Hinum (Update: 2018-08-13)