Introduction and Setup Impressions

Over the last couple of years, mini-PCs in the ultra-compact form factor (UCFF) have emerged as one of the bright spots in the troubled PC market. Intel's NUC systems are one of the most popular in this category. The lack of graphic prowess in the NUCs allowed for machines such as BRIX Pro (based on the Haswell Iris Pro CPU) to enter the market. With Broadwell, Intel is bringing out an Iris NUC on its own.

The 14nm Broadwell CPUs were introduced into the market with the Core M branding for fanless ultraportables. Essentially a rebranding of Y-series CPUs, its power efficiency got everyone excited about what a higher TDP version (U-series) could bring for the PC market. Even as ultrabooks based on Broadwell-U are getting ready for the market, Intel and its partners have started getting the UCFF units into the hands of consumers. Intel's Broadwell NUCs were introduced at CES 2015. We have already reviewed GIGABYTE's Core i7-5550U-based BRIX s and Intel's own Core i5-5250U-based NUC5i5RYK units, giving us some insight into how a 15 W TDP Broadwell-U might perform for common workloads. With Intel's partners launching UCFF PCs based on the U-series CPUs, it was always going to be interesting to see how they could differentiate their Broadwell NUCs. This review of the NUC5i7RYH - Intel's Core i7 Broadwell-U-based NUC with Iris Graphics 6100 - provides some insights.

Traditionally, the NUCs are barebones machines - the end-user could choose an appropriate mSATA SSD (or, for selected models, 2.5" drives), a mini-PCIe WLAN adapter, DDR3L SO-DIMMs and an operating system. Intel has two main changes in the barebones approach for the Broadwell-U NUCs: The WLAN adapter (Intel AC7265) now comes soldered to the motherboard. mSATA SSDs are no longer supported. In its place, we have support for either SATA or PCIe-based M.2 SSDs. Similar to the previous generation NUCs, a free SATA port is available on the board. The Iris NUC is sized to accommodate a 2.5' drive also. The SATA data and power cables are already routed and the appropriate chassis slots are in place to make adding a 2.5" drive very easy (as can be seen in the photograph below).

Intel also supplied us with a sample of Samsung's SM951 M.2 NVMe drive for use as the primary storage medium. The specifications of our Intel NUC5i7RYH review configuration are summarized in the table below.

Intel NUC5i7RYH Specifications
Processor Intel Core i7-5557U
(2C/4T x 3.1 GHz, 14nm, 4MB L2, 28W TDP)
Memory 2x 8GB DDR3L-1866 C13
Graphics Intel Iris Graphics 6100
Disk Drive(s) Samsung SM951 Series MZVPV256 256 GB M.2 NVMe SSD
Networking 1x Intel I218-V GbE, 2x2 Intel AC7265 802.11ac Wi-Fi
Audio Capable of 5.1/7.1 digital output with HD audio bitstreaming (HDMI)
Operating System Retail unit is barebones, but we installed Windows 8.1 Pro x64
Pricing (As configured) $878
Full Specifications Intel NUC5i7RYH Specifications

The Intel NUC5i7RYH kit doesn't come with any pre-installed OS, but our pre-production engineering sample review unit came with a USB key containing the drivers. In addition to the main unit, the other components of the package include a 65 W (19V @ 3.43A) wall-wart (with detachable multi-country power plugs), a VESA mount (along with the necessary screws), setup guides and a QVL (qualified vendors list) for the memory and storage subsystems. The gallery below takes us around the chassis. The Wi-Fi module is underneath the M.2 SSD and not visible in the gallery photo.

The Iris NUC officially supports DDR3L SO-DIMMs at 1600 MHz. However, the BIOS automatically configures the memory for the highest possible speed. Our Crucial DIMM kits support running at up to 1866 MHz and they were automatically configured to run at that frequency with timings of 13-13-13-32 - this is much worse than the usual 1866 MHz kits that we have access to. However, given that memory overclocking is automatically configured, we evaluated the system with those timings.

In the table below, we have an overview of the various systems that we are comparing the Intel NUC5i7RYH against. Note that they may not belong to the same market segment. The relevant configuration details of the machines are provided so that readers have an understanding of why some benchmark numbers are skewed for or against the Intel NUC5i7RYH when we come to those sections.

Comparative PC Configurations
Aspect Intel NUC5i7RYH
CPU Intel Core i7-5557U Intel Core i7-5557U
GPU Intel Iris Graphics 6100 (Broadwell-H GT3) Intel Iris Graphics 6100 (Broadwell-H GT3)
RAM Crucial CT102464BF186D.M16
13-13-13-32 @ 1866 MHz
2x8 GB
Crucial CT102464BF186D.M16
13-13-13-32 @ 1866 MHz
2x8 GB
Storage Samsung SM951 Series MZVPV256
(256 GB; M.2 Type 2280 PCIe 3.0 x4 NVMe; 19nm; MLC)
Samsung SM951 Series MZVPV256
(256 GB; M.2 Type 2280 PCIe 3.0 x4 NVMe; 19nm; MLC)
Wi-Fi Intel Dual Band Wireless-AC 7265
(2x2 802.11ac - 867 Mbps)
Intel Dual Band Wireless-AC 7265
(2x2 802.11ac - 867 Mbps)
Price (in USD, when built) $878 $878
Performance Metrics - I
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  • Antronman - Tuesday, April 21, 2015 - link

    Since when do monitors draw power from the device they're connected to anyways?
  • eanazag - Tuesday, April 21, 2015 - link

    Same response as close.

    Additionally, you want to have a power supply that can provide more juice because over time they lose the capacity to provide the highest specified wattage. If you have a device that routinely hits the max spec, you will experience some kind of failure. I'd rather see a 90 Watt charger. There were at least 3 USB slots I could see and they can pull at least 5 Watts. Additional components can pull more electricity too; like a 2.5 inch drive and the M.2 SSD. Maxed out the 65W adapter doesn't have a lot of wiggle room.
  • rhx123 - Monday, April 20, 2015 - link

    I'm sure the NUCs are getting uglier each time. The all black Ivy Bridge NUC was by far the best looking of the lot.
  • CaedenV - Monday, April 20, 2015 - link

    So I am curious about 4K support. This thing purports to have 4K display support, but I wonder how well it works. In another year or two it will be time to upgrade my wife's desktop and I really want to get a slick little NUC (or NUC-like) device paired with a small-ish (35-45") curved 4K display/TV. All it needs to do is web browsing, office, UHD video (h.265, Netflix 4K and youtube 4K), and upscaling our digital library of our ripped DVDs and BluRays (h.264 and h.265) to 4K playback. It does not need to play games, or rather can stream games via the home network from the 'real computer' in the basement which should have 4K game support in a few years.

    Any thoughts if this is realistic on this model? Will the technology be there in this form factor in 2 years? Or should I be looking at one more home-built machine for my wife's desk? I would really like to get her something small and fanless... or at least low-power enough to run fanless most of the time.
  • ganeshts - Monday, April 20, 2015 - link

    Something like the NUC will be working great in the next generation or so. This one has 4K support, but not HDMI 2.0 - Refer to our earlier piece on why most PC platforms are not ready for the 4K era yet :
  • xchaotic - Tuesday, April 21, 2015 - link

    'or rather can stream games via the home network' in uncompressed 4k???? that way more than even fiber can handle
  • extide - Thursday, April 23, 2015 - link

    He never said uncompressed 4k...
  • PICman - Monday, April 20, 2015 - link

    Ganesh, what is this 'realm of reason' of which you speak so frequently? What lies beyond the 'realm of reason'?
  • nathanddrews - Monday, April 20, 2015 - link

    Further confirmation that Broadwell is a big fizzle.
  • Flunk - Monday, April 20, 2015 - link

    Ticks generally just update the tock, so that's no surprise.

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