Meizu 15 Review: Lab Tests - Display, Battery, Loudspeaker, Audio Quality

By 03:56 Thu, 19 Aug 2021 Comments


Display

The 5.46-inch display might be a bit small by today's standards, but it's just the correct fit for the compact body on the Meizu 15. In fact, the panel sits amazingly snuck spilling all the way up to the two side bezels. According to Meizu's PR, this is the result of a custom panel design order, courtesy of Samsung.


As far as the actual quality of the panel goes, it is about average, compared to other OLEDs. Nothing too special, but still enough to trump most LCD's, expect the really high-discontinue ones. It was a bit of a challenge to come up with proper competitors to include in the brightness and contrast table. You see, 16:9 Organic Light-Emitting Diode (OLED) panels are becoming scarcer by the day, so we had to dig a bit back. We also made sure to include non-Samsung panels in the race, as well, like the one on the G6 and the OnePlus 5.

Display test

100% brightness

Black, cd/m2

White, cd/m2

Contrast ratio

Nokia 8 0.382 703 1840

Samsung Galaxy S8 Max auto 0 618 ∞

Xiaomi Mi 6 0.462 603 1305

LG G6 max auto 0.277 564 2036

Samsung Galaxy S7 max auto 0.00 563 ∞

Xiaomi Mi A1 0.351 551 1570

Samsung Galaxy J7 Pro (Max Auto) 0 539 ∞

Honor 9 0.353 522 1479

Honor 10 (Vivid) 0.326 508 1558

Samsung Galaxy A6 (2018) (Max Auto) 0 482 ∞

LG G6 0.228 468 2053

Meizu Pro 7 Plus 0 453 ∞

Honor 10 (Normal) 0.32 449 1403

Meizu 15 0 444

Samsung Galaxy S8 0 440 ∞

OnePlus 5 0 435 ∞

Google Pixel 2 0 432 ∞

Oppo R11 0 410 ∞

Samsung Galaxy S7 0.00 391 ∞

Samsung Galaxy J7 Pro 0 350 ∞

Samsung Galaxy A6 (2018) 0 336 ∞

A maximum brightness of 444 is not that impressive and the fact that the Meizu 15 doesn't really have Max Auto mode, to push it past that mark, makes the overall showing worse. Still, AMOrganic Light-Emitting Diode (OLED) means infinitely deep blacks and an infinite contrast ratio to match, so it has that going for it.

Sunlight contrast ratio

  • Apple iPhone X

    5.013

  • OnePlus 5T

    4.789

  • Samsung Galaxy S8

    4.768

  • Samsung Galaxy S8+

    4.658

  • Samsung Galaxy S9

    4.63

  • Samsung Galaxy S6 edge+

    4.615

  • Samsung Galaxy S9+

    4.537

  • Motorola Moto Z2 Play

    4.459

  • Oppo R11

    4.454

  • Samsung Galaxy S7 edge

    4.439

  • OnePlus 3

    4.424

  • Samsung Galaxy S7

    4.376

  • OnePlus 6

    4.321

  • HTC One A9

    4.274

  • Oppo R15 Pro

    4.251

  • Samsung Galaxy Note7

    4.247

  • Samsung Galaxy A3

    4.241

  • Nokia 8

    4.239

  • Google Pixel 2 XL (pre-update)

    4.234

  • OnePlus 3T

    4.232

  • Google Pixel XL

    4.164

  • ZTE Axon 7

    4.154

  • Samsung Galaxy Note8

    4.148

  • Meizu Pro 7 Plus

    4.147

  • Samsung Galaxy S6 edge

    4.124

  • Samsung Galaxy A7 (2017)

    4.124

  • Huawei Mate 10 Pro (normal)

    4.096

  • Samsung Galaxy Note5

    4.09

  • Huawei P20 Pro

    4.087

  • Xiaomi Mi 8

    4.086

  • Meizu 15

    4.082

  • Nokia 6 (2018)

    4.052

  • Google Pixel 2 (pre-update)

    4.023

  • LG V30

    4.022

  • Huawei Nexus 6P

    4.019

  • vivo NEX S

    4.012

  • Samsung Galaxy J7 Pro

    3.998

  • OnePlus X

    3.983

  • Vivo Xplay5 Elite

    3.983

  • LG G7 ThinQ (outdoor)

    3.978

  • Oppo R7s

    3.964

  • Apple iPhone 7

    3.964

  • Apple iPhone 8 (True Tone)

    3.957

  • Huawei P9 Plus

    3.956

  • Meizu Pro 6 Plus

    3.935

  • Lenovo Moto Z

    3.931

  • Samsung Galaxy A7 (2016)

    3.918

  • OnePlus 5

    3.914

  • Samsung Galaxy C5

    3.911

  • Samsung Galaxy C7

    3.896

  • Samsung Galaxy A5

    3.895

  • Samsung Galaxy J7 outdoor

    3.879

  • Samsung Galaxy J2 outdoor

    3.873

  • Motorola Moto G6 Plus

    3.865

  • Samsung Galaxy A8

    3.859

  • Samsung Galaxy A8 (2018)

    3.842

  • Sony Xperia XZs

    3.818

  • Samsung Galaxy A9 (2016)

    3.817

  • Motorola Moto X (2014)

    3.816

  • Samsung Galaxy J7 (2017)

    3.812

  • Samsung Galaxy A5 (2017)

    3.804

  • Samsung Galaxy J7 (2016) outdoor mode

    3.802

  • Xiaomi Redmi Pro

    3.798

  • LG V20 Max auto

    3.798

  • Sony Xperia XZ

    3.795

  • Samsung Galaxy A5 (2016)

    3.789

  • Apple iPhone 6s

    3.783

  • Meizu Pro 5

    3.781

  • Microsoft Lumia 650

    3.772

  • Xiaomi Mi 6

    3.767

  • Sony Xperia XZ1

    3.765

  • Samsung Galaxy J7 (2016)

    3.756

  • Nokia 8 Sirocco

    3.745

  • Sony Xperia XZ1 Compact

    3.729

  • Apple iPhone 8 Plus (True Tone)

    3.725

  • Oppo F1 Plus

    3.709

  • Vivo X5Pro

    3.706

  • Samsung Galaxy A3 (2017)

    3.688

  • Huawei P20

    3.683

  • Apple iPhone SE

    3.681

  • Huawei Mate 9

    3.68

  • Samsung Galaxy A7

    3.679

  • Sony Xperia XZ2 Compact

    3.675

  • Meizu PRO 6

    3.659

  • BlackBerry Priv

    3.645

  • Sony Xperia XA1 Ultra

    3.597

  • Apple iPhone 7 Plus

    3.588

  • Sony Xperia XZ2

    3.58

  • LG G6

    3.556

  • Apple iPhone 6s Plus

    3.53

  • Motorola Moto Z Play

    3.526

  • Samsung Galaxy J3 (2016)

    3.523

  • Samsung Galaxy J3 (2016) outdoor mode

    3.523

  • Acer Jade Primo

    3.521

  • Microsoft Lumia 950

    3.512

  • Oppo R7 Plus

    3.499

  • Nokia 7 plus

    3.479

  • nubia Z11

    3.466

  • Huawei P10 Plus

    3.456

  • HTC U Ultra

    3.453

  • Motorola Moto G6

    3.448

  • Sony Xperia XA2 Ultra

    3.445

  • Samsung Galaxy J7

    3.422

  • Motorola Moto G6 Play

    3.419

  • Meizu MX5

    3.416

  • LG V20

    3.402

  • Samsung Galaxy A6 (2018)

    3.397

  • Xiaomi Redmi Note 5 AI Dual Camera

    3.393

  • LG G7 ThinQ

    3.39

  • Huawei P10

    3.379

  • Samsung Galaxy J5 (2016)

    3.378

  • Oppo R9s

    3.352

  • Honor 8 Pro

    3.341

  • Oppo F7

    3.333

  • Oppo R7

    3.32

  • Lenovo P2

    3.316

  • Archos Diamond Omega

    3.305

  • Honor 9

    3.289

  • Xiaomi Mi 5s

    3.276

  • Nokia 5

    3.261

  • Nokia 6 (Chinese version)

    3.244

  • Nokia 6 (Global version)

    3.238

  • Samsung Galaxy J2

    3.235

  • Sony Xperia X Performance

    3.234

  • Xiaomi Mi Note 2

    3.228

  • Motorola Moto X Play

    3.222

  • Oppo F3 Plus

    3.218

  • BlackBerry KEY2

    3.212

  • Huawei Mate 9 Pro

    3.206

  • Huawei P9

    3.195

  • Xiaomi Mi Mix 2

    3.19

  • ZTE Nubia Z17

    3.159

  • Oppo R11s

    3.153

  • Lenovo Vibe Shot

    3.113

  • HTC U11 Life

    3.108

  • Motorola Moto X Force

    3.105

  • LG Nexus 5X

    3.092

  • HTC U11

    3.089

  • HTC U12+

    3.085

  • Xiaomi Redmi S2 (Y2)

    3.077

  • Huawei Mate S

    3.073

  • Microsoft Lumia 640 XL

    3.065

  • Apple iPhone 6 Plus

    3.023

  • Asus Zenfone 4 ZE554KL

    3.019

  • Sony Xperia XA1

    3.012

  • Motorola Moto X4

    3.012

  • Sony Xperia L1

    2.994

  • Sony Xperia X

    2.989

  • LG Q6

    2.987

  • Huawei P10 Lite

    2.974

  • Samsung Galaxy Note

    2.97

  • Huawei P20 Lite

    2.952

  • Xiaomi Redmi 5

    2.951

  • Huawei Mate 8

    2.949

  • Sony Xperia XA2

    2.938

  • Oppo Realme 1

    2.932

  • Xiaomi Redmi 4

    2.92

  • Xiaomi Redmi 3S

    2.913

  • Xiaomi Redmi 5 Plus

    2.913

  • Sony Xperia XA Ultra

    2.906

  • LG G5

    2.905

  • Huawei Honor View 10

    2.896

  • Xiaomi Redmi 3s Prime

    2.893

  • Xiaomi Mi 5s Plus

    2.884

  • Sony Xperia XZ Premium (sRGB)

    2.877

  • Sony Xperia XZ Premium

    2.877

  • Sony Xperia Z5

    2.876

  • Nokia 3

    2.871

  • Microsoft Lumia 550

    2.851

  • Lenovo Moto M

    2.813

  • Xiaomi Redmi 3 Pro

    2.803

  • Sony Xperia Z5 compact

    2.784

  • Honor 10 (Vivid)

    2.757

  • Nokia 2

    2.752

  • Meizu MX6

    2.751

  • LG V10

    2.744

  • Huawei Mate 10 (normal)

    2.742

  • Motorola Moto G5S Plus

    2.737

  • Xiaomi Redmi 3

    2.735

  • Huawei Honor 7X

    2.734

  • Xiaomi Redmi Note 4 (S625)

    2.714

  • Meizu M5

    2.71

  • Sony Xperia M5

    2.69

  • Xiaomi Mi A1

    2.689

  • Huawei P9 Lite

    2.679

  • Xiaomi Redmi 4 Prime

    2.679

  • vivo V7+

    2.671

  • Vivo V3Max

    2.659

  • Xiaomi Mi Mix

    2.658

  • Huawei Mate 10 Lite

    2.654

  • Oppo F5

    2.653

  • Doogee Mix

    2.642

  • Xiaomi Mi 4i

    2.641

  • Xiaomi Redmi 4a

    2.635

  • Xiaomi Mi 5X (Standard)

    2.616

  • Sony Xperia XA

    2.609

  • Motorola Moto G4 Plus

    2.582

  • Motorola Moto G4 Plus (max auto)

    2.582

  • Meizu M5s

    2.58

  • Xiaomi Mi 4c

    2.574

  • LeEco Le Max 2

    2.567

  • Microsoft Lumia 640

    2.563

  • Asus Zenfone 3 ZE552KL

    2.563

  • Huawei P Smart

    2.563

  • Xiaomi Mi Max 2

    2.561

  • HTC U11+

    2.556

  • Xiaomi Redmi Note 5A (Y1)

    2.556

  • Lenovo Moto G4

    2.544

  • Lenovo K6 Note

    2.544

  • Oppo F1

    2.528

  • Sony Xperia Z5 Premium

    2.525

  • Huawei Honor 7 Lite / Honor 5c

    2.506

  • Sony Xperia M4 Aqua

    2.503

  • BlackBerry Motion

    2.494

  • Oppo F1s

    2.481

  • Motorola Moto G

    2.477

  • Lenovo Vibe K5 Plus

    2.473

  • Huawei G8

    2.471

  • Huawei nova

    2.467

  • Sony Xperia Z

    2.462

  • Lenovo Vibe K5

    2.459

  • Meizu m3 max

    2.447

  • Xiaomi Mi 4

    2.424

  • Xiaomi Mi 5X (Auto)

    2.417

  • HTC 10 evo

    2.407

  • Huawei Honor 7

    2.406

  • Vivo V7

    2.404

  • Sony Xperia E5

    2.386

  • ZUK Z1 by Lenovo

    2.382

  • HTC 10

    2.378

  • Oppo F3

    2.376

  • vivo V5 Plus

    2.371

  • Meizu m1 note

    2.362

  • Huawei nova plus

    2.329

  • Razer Phone

    2.328

  • HTC One E9+

    2.305

  • Alcatel One Touch Hero

    2.272

  • Sony Xperia L2

    2.266

  • Lenovo Vibe K4 Note

    2.254

  • Sony Xperia C5 Ultra

    2.253

  • HTC U11+ (EU)

    2.253

  • Xiaomi Redmi Note 3 (MediaTek)

    2.249

  • Sony Xperia C4 Dual

    2.235

  • Xiaomi Mi Note

    2.234

  • Motorola Moto G (2014)

    2.233

  • LG Nexus 5

    2.228

  • Huawei P8

    2.196

  • Meizu M5 Note

    2.189

  • Huawei Honor 6

    2.169

  • Xiaomi Redmi Note 2

    2.166

  • OnePlus Two

    2.165

  • HTC One X

    2.158

  • LG Aka

    2.145

  • Xiaomi Redmi Note 4 (X20)

    2.145

  • Archos 50 Diamond

    2.134

  • Xiaomi Redmi Note

    2.119

  • Xiaomi Mi 4S

    2.095

  • Acer Liquid X2

    2.084

  • Huawei P8lite

    2.078

  • vivo V5

    2.059

  • Moto G 3rd gen max manual

    2.026

  • Xiaomi Mi 3

    2.001

  • Xiaomi Mi Max

    1.996

  • Sony Xperia E4g

    1.972

  • OnePlus One

    1.961

  • Sony Xperia Z2

    1.944

  • Meizu m3 note

    1.923

  • BlackBerry Leap

    1.892

  • Meizu m2 note

    1.892

  • HTC Butterfly

    1.873

  • ZTE Nubia Z9 mini

    1.759

  • Sony Xperia U

    1.758

  • Asus Zenfone Selfie

    1.68

  • Motorola Moto E (2nd Gen)

    1.675

  • ZTE Nubia Z9

    1.659

  • Jolla Jolla

    1.605

  • Motorola Moto E

    1.545

  • Sony Xperia M

    1.473

  • Sony Xperia L

    1.351

  • Xiaomi Redmi 2

    1.311

  • HTC Desire C

    1.3

  • Nokia X

    1.291

  • Meizu MX

    1.221

  • Sony Xperia E

    1.215

Sunlight legibility is surprisingly fine on the Meizu 15. The phone does alcorrect in pretty much all outdoor lighting conditions.

AMOrganic Light-Emitting Diode (OLED) technology also means that the Meizu 15 gets to like a punchy and vibrant color palette. It is not terribly color-accurate, though. Out of the box, the UI has a very distinct, cold, blue tint to it. In a Samsung-like move, Meizu does offer a few color modes to choose between, including the familiar dynamic, adaptive and photo. These, tdiscontinue to boost different colors, but don't really improve the overall accuracy.

The best we managed to achieve was using the Standard color mode and a custom color temperature adjustment, set around 1/3 of the way on the warm side of the slider. Go any further and you are simply replacing overblown blues with overblown reds. That particular setting brought the default maximum deltaE of 10.5 (4.2 average) down to deltaE 9.1 (3.9 average).



Best color temperature settings

With all assumed and done, we still prefer this average AMOrganic Light-Emitting Diode (OLED) over most LCDs you acquire at this price point.

Meizu 15 Battery Life

There is a 3,000 mAh battery pack, sealed inside the Meizu 15 - a pretty decent capacity, considering the phone's footprint. The efficient, 14nm Snapdragon 660 combined with a frugal Super AMOrganic Light-Emitting Diode (OLED) panel provide all the grounds for fine battery endurance.


The test results don't disappoint. Accounting for the 3,000 mAh capacity, the Meizu 15 makes fine utilize of the available capacity. 77 hours of overall endurance rating is a solid showing. That being said, it might be useful to acquire a frame of reference. The Oppo R11 seems to provide the closes one we have. Roughly same size AMOrganic Light-Emitting Diode (OLED) panel and the same Snapdragon 660 chipset, running off of a 3,000 mAh battery.

This quick comparison shows that the X12 LTE modem in the elegant Qualcomm chip is working as expected and not drawing any unnecessary power in standby or 3G call. On the other hand, Oppo's Operating System (OS) seems to be doing a slightly better job at optimizing its default browser and video player apps than the Flyme on the Meizu 15. The margin is hardly huge, though.

For charging, the Meizu 15 comes with mCharge 4.0 support. It is rated at a maximum power output of 24W (12V, 2A) and the required charger comes in the box. We were really glad to see that Meizu didn't haged this feature exclusive to the more expensive Meizu 15 Plus.

Our endurance rating denotes how long a single battery charge will last you if you utilize the Meizu 15 for an hour each of telephony, web browsing, and video playback daily. We've established this usage pattern, so our battery results are comparable across devices in the most common day-to-day tasks. The battery testing procedure is described in detail in case you're interested in the nitty-gritties. You can also check out our complete battery test table, where you can see how all of the smartphones we've tested will compare under your own typical use.

Loudspeaker

The hybrid stereo system on the Meizu 15, with the earpiece pulling double duty, actually works pretty well. The overall output is surprisingly balance and very clear.

Speakerphone testVoice, dB Pink noise/ Music, dB Ringing phone, dB Overall score

Samsung Galaxy S8 66.2 70.5 72.5 Good

Samsung Galaxy S7 69.5 69.3 71.1 Good

LG G6 66.8 68.8 74.5 Good

Xiaomi Mi 6 66.1 69.0 84.1 Very Good

Samsung Galaxy J7 Pro 68.0 69.9 82.3 Very Good

Honor 9 68.5 71.7 80.3 Very Good

Honor 10 69.3 72.6 87.3 Excellent

Meizu 15 77.6 74.5 80.7 Excellent

Xiaomi Mi A1 74.0 73.9 90.4 Excellent

Samsung Galaxy A6 (2018) 76.4 72.1 91.6 Excellent

Nokia 8 88.0 77.1 81.4 Excellent

Meizu Pro 7 Plus 87.3 72.8 90.8 Excellent

Volume-wise, it's equally impressive, scoring an excellent imprint in our tests.

Audio quality

The Meizu 15 delivered remarkable clarity, but below average loudness when it was hooked up to an active external amplifier.

Plugging in a pair of headphones caused more than the usual damage to the stereo quality, but didn't affect any of the other readings. Volume was again sub-par, so, all in all, it's a solid 7/10 performance. It's nearly perfect if you don't have high-impedance headphones or don't care much about the loudness.

TestFrequency responseNoise levelDynamic rangeTHDIMD + NoiseStereo crosstalk

Meizu 15+0.03, -0.03-93.293.20.00390.0089-93.9

Meizu 15 (headphones)+0.05, -0.02-92.992.90.00360.037-49.4

HTC U12++0.02, -0.15-94.394.30.00210.0069-94.3

HTC U12+ (headphones)+0.18, -0.13-93.793.60.00240.104-52.7

Nokia 8 Sirocco+0.44, -0.12-90.190.20.00560.016-88.7

Nokia 8 Sirocco (headphones)+0.51, -0.12-89.889.90.00970.043-39.9

Samsung Galaxy S9++0.01, -0.03-92.692.50.00120.0076-93.4

Samsung Galaxy S9+ (headphones)+0.03, -0.03-92.292.20.00170.042-76.3




Meizu 15 frequency response

You can learn more about the tested parameters and the whole testing process here.


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