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Skylake U
3-die config Iris Plus SKL-U (with OPC)
2-die config SKL-U
General Info
Designer	Intel
Manufacturer	Intel
Introduction	September 1, 2015 (announced) September 27, 2015 (launched)
Microarchitecture
ISA	x86-64
Microarchitecture	Skylake
Word Size	8 octets 16 nibbles 64 bit
Process	14 nm 0.014 μm 1.4e-5 mm
Technology	CMOS
Clock	1,800 MHz - 3,500 MHz
Succession
Broadwell U Kaby Lake U

Skylake U (SKL-U) is the name of the core for Intel's line of low-power mobile processors based on the Skylake microarchitecture serving as a successor to Broadwell U. These chips are primarily targeted towards light notebooks and laptops, portable all-in-ones (AiOs), minis, and conference rooms. Skylake U processors are fabricated on Intel's 14 nm process and provide a large amount of enhancements over comparable Broadwell models.

Overview

Skylake U based processors are a single-chip solution - the chipset is packaged in the same physical casing as the CPU in a multi-chip package (MCP). Note that some models (the Iris IGPs) are actually a 3 dice chip configuration since they incorporate an on-package cache (OPC) in addition to the hub and CPU. Communication between the separate dies are done via a lightweight On-Package Interconnect (OPI) interface, allowing for 4 GT/s transfer rate. All Skylake U processors use Socket BGA-1356 and all Iris models include 64 MiB of side cache.

Standard	Premium
2-die configuration	3-die configuration
GT2 Graphics	GT3 Graphics with OPC

Common Features

All Skylake U processors have the following:

• 15 W and 28 W models
• Dual-channel Memory
  • Up to LPDDR3-1866, DDR3L-1600, DDR4-2133
  • Up to 32 GiB
• 12x PCIe (Except for Pentium/Celeron which only has 10)
• dual-core with 4 threads (Celeron models only have 2 threads as they have Hyper-Threading disabled)
• Everything up to AVX2 (SMM, FPU, NX, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AES, AVX1, AVX2)
  • (Except for Pentium/Celeron which do not have AVX1/2)
• Support AHCI, High Definition Audio, 4-6x USB 3.0 ports, 8-10x USB 2.0 ports, 2-4x SATA III, 6x I2C, 3x UART, 1x SDXC
• Graphics
  • HD Graphics 510 (Gen 9.5 LP GT1), HD Graphics 520 (Gen9.5 GT2), or Iris Pro Graphics 540/550 (Gen9.5 GT3e)
  • 3 independent displays supported
  • Base frequency of 350 MHz
  • Burst frequency of 1-1.15 GHz

Skylake U Processors

	List of Skylake U Processors
	Main processor									Turbo Boost		Memory	IGP			Major Feature Diff
Model	Launched	Price	Family	Cores	Threads	L3$	L4$	TDP	Frequency	1 Core	2 Cores	Max Mem	GPU	Frequency	Turbo	Turbo	SMT	AVX2	TXT	TSX	vPro
3855U	27 December 2015	$ 107.00 € 96.30 £ 86.67 ¥ 11,056.31	Celeron	2	2	2 MiB 2,048 KiB 2,097,152 B 0.00195 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	1.6 GHz 1,600 MHz 1,600,000 kHz			32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 510	300 MHz 0.3 GHz 300,000 KHz	900 MHz 0.9 GHz 900,000 KHz	✘	✘	✘	✘	✘	✘
3955U	27 December 2015	$ 107.00 € 96.30 £ 86.67 ¥ 11,056.31	Celeron	2	2	2 MiB 2,048 KiB 2,097,152 B 0.00195 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	2 GHz 2,000 MHz 2,000,000 kHz			32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 510	300 MHz 0.3 GHz 300,000 KHz	900 MHz 0.9 GHz 900,000 KHz	✘	✘	✘	✘	✘	✘
i3-6006U	10 November 2016	$ 281.00 € 252.90 £ 227.61 ¥ 29,035.73	Core i3	2	4	3 MiB 3,072 KiB 3,145,728 B 0.00293 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	2 GHz 2,000 MHz 2,000,000 kHz			32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 520	300 MHz 0.3 GHz 300,000 KHz	900 MHz 0.9 GHz 900,000 KHz	✘	✔	✔	✘	✘	✘
i3-6100U	27 September 2015	$ 281.00 € 252.90 £ 227.61 ¥ 29,035.73	Core i3	2	4	3 MiB 3,072 KiB 3,145,728 B 0.00293 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	2.3 GHz 2,300 MHz 2,300,000 kHz			32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 520	300 MHz 0.3 GHz 300,000 KHz	1,000 MHz 1 GHz 1,000,000 KHz	✘	✔	✔	✘	✘	✘
i3-6157U	June 2016	$ 304.00 € 273.60 £ 246.24 ¥ 31,412.32	Core i3	2	4	3 MiB 3,072 KiB 3,145,728 B 0.00293 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	28 W 28,000 mW 0.0375 hp 0.028 kW	2.4 GHz 2,400 MHz 2,400,000 kHz			32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	Iris Graphics 550	300 MHz 0.3 GHz 300,000 KHz	1,000 MHz 1 GHz 1,000,000 KHz	✘	✔	✔	✘	✘	✘
i3-6167U	27 September 2015	$ 304.00 € 273.60 £ 246.24 ¥ 31,412.32	Core i3	2	4	3 MiB 3,072 KiB 3,145,728 B 0.00293 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	28 W 28,000 mW 0.0375 hp 0.028 kW	2.7 GHz 2,700 MHz 2,700,000 kHz			32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	Iris Graphics 550	300 MHz 0.3 GHz 300,000 KHz	1,000 MHz 1 GHz 1,000,000 KHz	✘	✔	✔	✘	✘	✘
i5-6198DU	27 December 2015		Core i5	2	4	3 MiB 3,072 KiB 3,145,728 B 0.00293 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	2.3 GHz 2,300 MHz 2,300,000 kHz	2.8 GHz 2,800 MHz 2,800,000 kHz		32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 510	300 MHz 0.3 GHz 300,000 KHz	1,000 MHz 1 GHz 1,000,000 KHz	✔	✔	✔	✘	✘	✘
i5-6200U	27 September 2015	$ 281.00 € 252.90 £ 227.61 ¥ 29,035.73	Core i5	2	4	3 MiB 3,072 KiB 3,145,728 B 0.00293 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	2.3 GHz 2,300 MHz 2,300,000 kHz	2.8 GHz 2,800 MHz 2,800,000 kHz	2.7 GHz 2,700 MHz 2,700,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 520	300 MHz 0.3 GHz 300,000 KHz	1,000 MHz 1 GHz 1,000,000 KHz	✔	✔	✔	✘	✘	✘
i5-6260U	27 September 2015	$ 304.00 € 273.60 £ 246.24 ¥ 31,412.32	Core i5	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	15 W 15,000 mW 0.0201 hp 0.015 kW	1.8 GHz 1,800 MHz 1,800,000 kHz	2.9 GHz 2,900 MHz 2,900,000 kHz	2.7 GHz 2,700 MHz 2,700,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	Iris Graphics 540	300 MHz 0.3 GHz 300,000 KHz	950 MHz 0.95 GHz 950,000 KHz	✔	✔	✔	✘	✘	✘
i5-6267U	27 September 2015	$ 304.00 € 273.60 £ 246.24 ¥ 31,412.32	Core i5	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	28 W 28,000 mW 0.0375 hp 0.028 kW	2.9 GHz 2,900 MHz 2,900,000 kHz	3.3 GHz 3,300 MHz 3,300,000 kHz	3.1 GHz 3,100 MHz 3,100,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	Iris Graphics 550	300 MHz 0.3 GHz 300,000 KHz	1,050 MHz 1.05 GHz 1,050,000 KHz	✔	✔	✔	✘	✘	✘
i5-6287U	27 September 2015	$ 304.00 € 273.60 £ 246.24 ¥ 31,412.32	Core i5	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	28 W 28,000 mW 0.0375 hp 0.028 kW	3.1 GHz 3,100 MHz 3,100,000 kHz	3.5 GHz 3,500 MHz 3,500,000 kHz	3.3 GHz 3,300 MHz 3,300,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	Iris Graphics 550	300 MHz 0.3 GHz 300,000 KHz	1,100 MHz 1.1 GHz 1,100,000 KHz	✔	✔	✔	✘	✘	✘
i5-6300U	27 September 2015	$ 281.00 € 252.90 £ 227.61 ¥ 29,035.73	Core i5	2	4	3 MiB 3,072 KiB 3,145,728 B 0.00293 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	2.4 GHz 2,400 MHz 2,400,000 kHz	3 GHz 3,000 MHz 3,000,000 kHz	2.9 GHz 2,900 MHz 2,900,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 520	300 MHz 0.3 GHz 300,000 KHz	1,000 MHz 1 GHz 1,000,000 KHz	✔	✔	✔	✔	✔	✔
i5-6360U	27 September 2015	$ 304.00 € 273.60 £ 246.24 ¥ 31,412.32	Core i5	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	15 W 15,000 mW 0.0201 hp 0.015 kW	2 GHz 2,000 MHz 2,000,000 kHz	3.1 GHz 3,100 MHz 3,100,000 kHz	2.9 GHz 2,900 MHz 2,900,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	Iris Graphics 540	300 MHz 0.3 GHz 300,000 KHz	1,000 MHz 1 GHz 1,000,000 KHz	✔	✔	✔	✔	✔	✔
i7-6498DU	27 September 2015	$ 393.00 € 353.70 £ 318.33 ¥ 40,608.69	Core i7	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	2.5 GHz 2,500 MHz 2,500,000 kHz	3.1 GHz 3,100 MHz 3,100,000 kHz		32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 510	300 MHz 0.3 GHz 300,000 KHz	1,050 MHz 1.05 GHz 1,050,000 KHz	✔	✔	✔	✘	✘	✘
i7-6500U	27 September 2015	$ 393.00 € 353.70 £ 318.33 ¥ 40,608.69	Core i7	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	2.5 GHz 2,500 MHz 2,500,000 kHz	3.1 GHz 3,100 MHz 3,100,000 kHz	3 GHz 3,000 MHz 3,000,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 520	300 MHz 0.3 GHz 300,000 KHz	1,050 MHz 1.05 GHz 1,050,000 KHz	✔	✔	✔	✘	✘	✘
i7-6560U	27 September 2015		Core i7	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	15 W 15,000 mW 0.0201 hp 0.015 kW	2.2 GHz 2,200 MHz 2,200,000 kHz	3.2 GHz 3,200 MHz 3,200,000 kHz	3.1 GHz 3,100 MHz 3,100,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	Iris Graphics 540	300 MHz 0.3 GHz 300,000 KHz	1,050 MHz 1.05 GHz 1,050,000 KHz	✔	✔	✔	✘	✘	✘
i7-6567U	27 September 2015		Core i7	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	28 W 28,000 mW 0.0375 hp 0.028 kW	3.3 GHz 3,300 MHz 3,300,000 kHz	3.6 GHz 3,600 MHz 3,600,000 kHz	3.4 GHz 3,400 MHz 3,400,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	Iris Graphics 550	300 MHz 0.3 GHz 300,000 KHz	1,100 MHz 1.1 GHz 1,100,000 KHz	✔	✔	✔	✘	✘	✘
i7-6600U	27 September 2015	$ 393.00 € 353.70 £ 318.33 ¥ 40,608.69	Core i7	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	2.6 GHz 2,600 MHz 2,600,000 kHz	3.4 GHz 3,400 MHz 3,400,000 kHz	3.2 GHz 3,200 MHz 3,200,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 520	300 MHz 0.3 GHz 300,000 KHz	1,050 MHz 1.05 GHz 1,050,000 KHz	✔	✔	✔	✔	✔	✔
i7-6650U	27 September 2015	$ 415.00 € 373.50 £ 336.15 ¥ 42,881.95	Core i7	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	15 W 15,000 mW 0.0201 hp 0.015 kW	2.2 GHz 2,200 MHz 2,200,000 kHz	3.4 GHz 3,400 MHz 3,400,000 kHz	3.2 GHz 3,200 MHz 3,200,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	Iris Graphics 540	300 MHz 0.3 GHz 300,000 KHz	1,050 MHz 1.05 GHz 1,050,000 KHz	✔	✔	✔	✔	✔	✔
i7-6660U	20 March 2016	$ 415.00 € 373.50 £ 336.15 ¥ 42,881.95	Core i7	2	4	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	15 W 15,000 mW 0.0201 hp 0.015 kW	2.4 GHz 2,400 MHz 2,400,000 kHz	3.4 GHz 3,400 MHz 3,400,000 kHz	3.4 GHz 3,400 MHz 3,400,000 kHz	32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	Iris Graphics 540	300 MHz 0.3 GHz 300,000 KHz	1,050 MHz 1.05 GHz 1,050,000 KHz	✔	✔	✔	✔	✔	✔
4405U	3 November 2015	$ 161.00 € 144.90 £ 130.41 ¥ 16,636.13	Pentium	2	4	2 MiB 2,048 KiB 2,097,152 B 0.00195 GiB		15 W 15,000 mW 0.0201 hp 0.015 kW	2.1 GHz 2,100 MHz 2,100,000 kHz			32 GiB 32,768 MiB 33,554,432 KiB 34,359,738,368 B 0.0313 TiB	HD Graphics 510	300 MHz 0.3 GHz 300,000 KHz	950 MHz 0.95 GHz 950,000 KHz	✘	✔	✘	✘	✘	✘
Count: 21

See also

Skylake (server) Skylake SP Skylake X Skylake W Skylake DE	Power/Performance
Skylake (client) Skylake DT Skylake S Skylake H Skylake U Skylake Y	Power/Performance

• Broadwell
  • Broadwell U