Flagship phones give manufacturers the opportunity to showcase their latest technology, and because they attract attention and generate buzz, they help raise brand awareness. For Huawei, currently the world’s third largest smartphone producer by market share, its Mate series of phones is the pinnacle of what the company has to offer. And while the Mate 9, the successor to the Mate 8 that we looked at in-depth last year, packs some high-end hardware, Huawei recognizes it takes more than an impressive spec sheet to win the premium smartphone battle; it needs to provide an overall experience and image that matches the phone’s premium price.

Performance and responsiveness are important for any phone, but essential for a flagship like the Mate 9. Making its debut inside the Mate 9’s aluminum chassis is HiSilicon’s new Kirin 960 SoC. The four ARM Cortex-A72 CPUs in the Mate 8’s Kirin 950 have been replaced by four of ARM’s latest Cortex-A73 CPUs. The plus-one change in model number is deceptive, however, because there are some significant differences between the two cores. The A73 actually belongs to a different processor family, with its roots going back to the A17 rather than branching out from the A15/A57/A72 family tree. One of the obvious differences between the two different microarchitectures is a reduction in decoder width: The A72 has a 3-wide decoder while the A73 is 2-wide. Despite what appears to be a reduction in capability on paper, ARM claims the A73 still offers better performance and efficiency relative to A72 on the same process and frequency. Four Cortex-A53 cores complete the big.LITTLE CPU configuration.

The Mate 9’s CPU cores reach higher peak frequencies than those in the Mate 8 too, but the differences are small. The A53 cores get a negligible increase from 1.80GHz to 1.84GHz, while the A73 cores reach up to 2.36GHz versus the 2.3GHz for the Kirin 950’s A72 cores. It’s interesting that Kirin 960’s A73 cores are clocked lower than the Kirin 955’s 2.5GHz A72 cores, especially considering that ARM targets a peak frequency of 2.8GHz on 16nm (the Kirin 960 uses TSMC’s 16FFC FinFET process). With the Kirin 960, HiSilicon is more focused on reducing power consumption (and freeing up thermal headroom for the GPU) instead of chasing maximum CPU performance. Still, based on the A73’s other advantages, particularly the improvements to the memory subsystem, the Kirin 960 should still show a small performance gain relative to Kirin 950/955.


Mate 8 (bottom) and Mate 9 (top)

Perhaps the biggest criticism of past Kirin SoCs were their seemingly underpowered GPUs. While Qualcomm pushed the performance and power envelope with its Adreno GPUs, and Samsung added eight- or twelve-core configurations of ARM’s latest Mali GPUs to its Exynos SoCs, HiSilicon’s Kirin SoCs made due with more modest four-core Mali configurations. Peak performance significantly trailed its peers, but Kirin’s lower power consumption limited the effects of thermal throttling (a significant problem for the faster GPUs). Ultimately, performance was “good enough” for the majority of cases.

The Mate 9’s Kirin 960 SoC marks a radical shift in HiSilicon’s GPU philosophy. Not only does it utilize ARM’s latest Mali-G71 GPU based on the all-new Bifrost architecture, but it steps up to an eight-core configuration running at an impressive 900MHz—the same peak frequency used by the Kirin 950/955’s much smaller GPU. The combination of additional cores and architectural improvements give the Mate 9 a significant peak performance advantage over the Mate 8’s Mali-T880MP4 GPU, paving the way for new capabilities such as VR.

Huawei Mate 9 Series
  Huawei Mate 9 Huawei Mate 9 Pro Huawei Mate 9 Porsche Design
SoC HiSilicon Kirin 960

4x Cortex-A53 @ 1.84GHz
4x Cortex-A73 @ 2.36GHz
ARM Mali-G71 MP8 @ 1037MHz
Display 5.9-inch 1920x1080 IPS LCD 5.5-inch 2560x1440 AMOLED (curved edges)
Dimensions 156.9 x 78.9 x 7.9 mm
190 grams
152.0 x 75.0 x 7.5 mm
169 grams
RAM 4GB LPDDR4 6GB LPDDR4
NAND 64GB (UFS 2.1)
+ microSD
128GB (UFS 2.1)
+ microSD
256GB (UFS 2.1)
+ microSD
Battery 4000 mAh (15.28 Wh)
non-replaceable
Front Camera 8MP, 1/3.2" Sony IMX179 Exmor R, 1.4µm pixels, f/1.9, Contrast AF
Rear Camera Color: 12MP, 1/2.9” Sony IMX286 Exmor RS, 1.25µm pixels, f/2.2, PDAF + Laser AF + Contrast AF + Depth, OIS, HDR, dual-tone LED flash

Monochrome: 20MP, f/2.2, dual-tone LED flash
Modem HiSilicon LTE (Integrated)
2G / 3G / 4G LTE (Category 12/13)
SIM Size 2x NanoSIM (dual standby) (MHA-L29)
1x NanoSIM (MHA-L09)
Wireless 802.11a/b/g/n/ac, BT 4.2 LE, NFC, IrLED, GPS/Glonass/Galileo/BDS
Connectivity USB 2.0 Type-C, 3.5mm headset
Sensors capacitive fingerprint, accelerometer, gyroscope, compass, ambient light, proximity, Hall effect, barometer
Launch OS Android 7.0 with EMUI 5.0
Launch Price $600 US / 699 Euro   1,395 Euro

The Mate 9 pairs its SoC with 4GB of LPDDR4 RAM, which is now standard for flagship phones. Internal storage is limited to 64GB, unlike the Mate 8 that offered a choice between 32GB, 64GB, or 128GB of NAND. Both the Mate 9 Pro (128GB) and Mate 9 Porsche Design (256GB) come with additional storage, and all three Mate 9 versions have a slot for a microSD card to expand storage further.

Software features and configuration are also vitally important to performance. The Mate 9, like previous Huawei phones, includes several enhancements to help apps launch faster and keep the system feeling more responsive. Huawei’s EMUI uses the F2FS filesystem and other optimizations to improve storage performance. There’s also Huawei’s “Machine Learning algorithm” that prioritizes system resources (CPU, memory, and storage) to improve responsiveness and overall performance. This feature, which runs locally on the phone, monitors app usage, taking note of which apps are used at what times, and then anticipates the user’s needs, by preloading the predicted app, for example. Android already manages memory usage, evicting background apps to free up resources for active processes, but Huawei takes this further by closing memory-intensive background apps to ensure memory is available for prioritized apps. It also uses compression to increase the amount of data held in working memory.

Before we discuss the Mate 9’s other hardware and features, let’s briefly cover its connectivity options. It supports 802.11a/b/g/n/ac Wi-Fi (2.4GHz and 5GHz), but only a single spatial stream enabling up to a 433Mbps PHY rate on a 80MHz channel. Most flagship phones (HTC 10, LG G5, Motorola Moto Z / Moto Z Force Droid, Samsung Galaxy S7, and iPhone 7 to name just a few) offer dual spatial stream MU-MIMO, so the Mate 9 is a bit behind here. It does come with Bluetooth 4.2 LE, NFC, and even an IR blaster, though.

The Kirin 960 includes a brand new HiSilicon LTE UE Category 12/13 modem that achieves speeds of up to 600 Mbps on the downlink and 150 Mbps on the uplink (2x20MHz carrier aggregation with 64-QAM). This new modem, which drops HiSilicon’s ‘Balong' branding, supports up to 8 data streams on the downlink using a combination of quad carrier aggregation (4x CA) and 4x4 MIMO (only for 2x CA). It also supports up to 256-QAM but not on all 8 streams. This gives it some flexibility in how it achieves its maximum throughput: (2x20MHz CA + 4x4 MIMO at 64-QAM) or (4x20MHz CA + 2x2 MIMO at 64-QAM).

Frequency Band Support
  MHA-L09 MHA-L29
FDD-LTE 1 / 2 / 3 / 4 / 5 / 7 / 8 / 9 / 12 / 17 / 18 / 19 / 20 / 26 / 28 / 29 1 / 2 / 3 / 4 / 5 / 7 / 8 / 9 / 12 / 17 / 18 / 19 / 20 / 26 / 28 / 29
TDD-LTE 38 / 39 / 40 38 / 39 / 40 / 41
GSM 850 / 900 / 1800 / 1900 MHz 850 / 900 / 1800 / 1900 MHz
WCDMA 1 / 2 / 4 / 5 / 6 / 8 / 19 1 / 2 / 4 / 5 / 6 / 8 / 19
CDMA - BC0 (China Telecom)
TD-CDMA 34 / 39 34 / 39

This modem gains another new capability: It now supports CDMA, which is important for carrier compatibility in China, and puts HiSilicon in the same group as Intel, MediaTek, and Qualcomm for global network support. This modem represents a significant investment by HiSilicon, because it uses a completely new, custom design that does not use CEVA LTE IP like previous Balong modems.

There are two different models of the Mate 9. The MHA-L09 model uses a single NanoSIM and does not support CDMA networks. The MHA-L29 model supports Dual SIM Dual Standby (DSDS), although one NanoSIM slot is shared with microSD, so it can use either two NanoSIM cards or one NanoSIM and one microSD card. The second SIM supports 2G/3G operation using GSM (850/900/1800/1900MHz), CDMA (BC0), and WCDMA (1/2/4/5/6/8/19).

Design
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  • Michael22 - Friday, January 27, 2017 - link

    Well written. For me the performance part is the most interesting one, especially the UI part. I own the Honor 8 for some time now. A few days ago, I got the nougat update (EMUI 5.1) and installed it. One of the first things I noticed was the worse UI performance. When scrolling through the homescreens, in the browser or in the settings, the phone isn't quite as fluid as I'm used ti. The gpu render profil looks quite similar to the pictures you posted, sometimes even worse:
    https://twitter.com/shox2201/status/82387455831067...

    I hope they find and fix the issue, as I think EMUI 5.1 is a really good looking and well working UI.
    Reply
  • Matt Humrick - Friday, January 27, 2017 - link

    That's an interesting find. The Honor 8 update was not available the last time I checked, but that GPU profile is definitely different than what I see with EMUI 4.1. Reply
  • Michael22 - Friday, January 27, 2017 - link

    This was one of the worst gpu profiles I saw. But it seems pretty inconsistent, sometimes it's close to 60fps, sometimes visible worse in what seems like similar tasks. Here is a screenshot from scrolling through the homescreens:
    http://imgur.com/a/om2oI
    Reply
  • Ariknowsbest - Friday, January 27, 2017 - link

    When I switched to the appdrawer mode I noticed similar inconsistencies, it close to 60 fps but deviation from 60 around 12fps.

    Using the homescreen mode seems to be more optimized, and I prefer to have all my favorite apps on the homescreen.
    Reply
  • Michael22 - Saturday, January 28, 2017 - link

    Not for me. Tested both modes, it produces the exact same frame time picture. Reply
  • Michael22 - Thursday, March 02, 2017 - link

    Any news on the issue? Reply
  • Ariknowsbest - Friday, January 27, 2017 - link

    I noticed the exact opposite on my Honor 8 (4GB/64GB). The first beta was less fluid, but the the next few build became better and better. Reply
  • GC2:CS - Friday, January 27, 2017 - link

    Good phone indeed. But 5.9" ?

    Waaay to big (for me and many others).

    And you can put your crap talk about "big screen + ""small"" phone" (bezel free)
    and "manageable width + huge screen" (putting in cinema screen aspect rations - stop that.) somewhere because if the phone is a zepelin it's not going to appeal to the public however good it is.

    I am looking at you samsung and LG !
    Reply
  • negusp - Friday, January 27, 2017 - link

    I definitely prefer bigger phones as they're much easier to handle imo and feel hefty and solid. Reply
  • negusp - Friday, January 27, 2017 - link

    One of the few things that irks me in some phone reviews (don't get me wrong, great review!), is the emphasis placed on color accuracy.

    I don't understand the need to have a perfectly calibrated display. The average consumer won't care or notice. In fact, I welcome additional saturation and contrast as it really makes the software pop.

    Sure, you might have the occasional photographer that really wants his calibrated screen, but to put that much emphasis on a pretty much unnoticed aspect of the phone is kind of silly imo.
    Reply

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