The Huawei Y7 Prime (2018) comes with a 5.99-inch LCD with an 18:9 aspect ratio and a 1,440x720px resolution - some call it HD+. Huawei calls it that too, but also FullView on accounts of the aspect and the supposedly minimal bezels. In any case, the pixel density of 269ppi means you may be seeing slightly jagged texts, if you're looking up close.
The panel leaves a lot to be desired when it comes to brightness, posting a dismal 375nits maximum. We didn't measure a boost in brightness with the Auto toggle engaged either. We used to consider the contrast ratio of 1100:1 as very good, but now... it's just okay.
Display test
100% brightness
Black, cd/m2
White, cd/m2
Contrast ratio
Huawei Honor 7X
0.236
458
1941
Xiaomi Redmi 5 Plus
0.548
555
1013
Xiaomi Redmi Note 5A (Y1)
0.315
527
1673
Sony Xperia L2
0.354
400
1130
Huawei P Smart
0.356
531
1492
Nokia 6 (2018)
0.367
469
1278
Motorola Moto G6 Play
0.339
476
1404
Motorola Moto G6 Play (Max Auto)
0.419
554
1321
Oppo Realme 1
0.35
423
1209
Xiaomi Redmi Note 5 AI Dual Camera
0.28
530
1893
Xiaomi Redmi S2 (Y2)
0.47
504
1072
Huawei Y7 Prime (2018)
0.341
379
1111
Sunlight legibility isn't particularly great either. Budget offerings from Xiaomi, Oppo, and Motorola achieve better contrast readings in our test.
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
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 2.877
Sony Xperia XZ Premium (sRGB) 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 K6 Note 2.544
Lenovo Moto G4 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
Huawei Y7 Prime (2018) 2.421
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
Xiaomi Redmi Note 4 (X20) 2.145
LG Aka 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
Meizu m2 note 1.892
BlackBerry Leap 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
The default color mode (aptly named Default) results in a subjectively good-looking and decently accurate color reproduction - we measured an average deltaE of 5.4 against an sRGB target. The whites are a bit more off, to the tune of a deltaE of 8. The Warm color mode brings the average deltaE down to 3.7, with the whites off by around 5 units, this time shifted towards green. In the Cold color mode whites are practically blue with a deltaE 15 and an average deltaE is 7.6.
Loudspeaker
The Huawei Y7 Prime (2018) has a single loudspeaker on the bottom, which isn't that hard to understand - after all, even some flagships still omit stereo speakers. The bad thing is that it's pretty quiet, only making it into the Average category in our three pronged-test. For what it's worth, at least the output is clean.
Speakerphone test
Voice, dB
Pink noise/ Music, dB
Ringing phone, dB
Overall score
Motorola Moto G6 Play
62.6
68.0
71.0
Average
Oppo F5
63.5
70.8
71.5
Average
Huawei Y7 Prime (2018)
64.9
70.5
71.9
Average
Motorola Moto G6 Play (Dolby audio)
66.1
70.0
76.2
Good
OnePlus 6
70.2
74.7
70.0
Good
Xiaomi Redmi 5
66.1
68.4
82.1
Good
BlackBerry KEY2
66.5
72.0
79.8
Good
Xiaomi Redmi S2 (Y2)
68.1
69.6
82.2
Very Good
Huawei P Smart
65.9
70.8
85.8
Very Good
Xiaomi Redmi Note 5 AI Dual Camera
68.4
71.6
84.8
Very Good
Oppo Realme 1
64.8
70.5
89.9
Very Good
Nokia 6 (2018)
67.1
74.0
85.3
Very Good
Xiaomi Redmi Note 5A
68.4
72.3
86.2
Very Good
Sony Xperia L2
67.4
72.2
91.6
Excellent
Xiaomi Redmi 5 Plus
71.1
72.7
87.7
Excellent
Samsung Galaxy A6 (2018)
76.4
72.1
91.6
Excellent
Motorola Moto G6
81.1
75.7
83.7
Excellent
Audio quality
The Huawei Y7 Prime (2018) delivered nicely crisp audio with an active external amplifier, only losing some points for its loudness, which was just below average.
Plugging in a pair of headphones caused quite a lot of damage, though, with the Y7 Prime volume plummeting to one of the lowest we’ve seen lately. Stereo crosstalk increased by an above average amount and frequency response got slightly erratic. Add in the hint of intermodulation distortion that appeared and you end up with a mediocre performance.
Test
Frequency response
Noise level
Dynamic range
THD
IMD + Noise
Stereo crosstalk
Huawei Y7 Prime (2018)
+0.04, -0.04
-89.0
89.6
0.0030
0.016
-85.3
Huawei Y7 Prime (2018) (headphones)
+0.95, -0.13
-90.3
91.6
0.0055
0.362
-52.4
Xiaomi Redmi S2
+0.02, -0.05
-90.3
90.2
0.0015
0.015
-93.1
Xiaomi Redmi S2 (headphones)
+0.02, -0.06
-93.3
93.2
0.0034
0.056
-82.5
Motorola Moto G6 Plus
+0.00, -0.03
-93.6
93.5
0.0050
0.011
-94.6
Motorola Moto G6 Plus (headphones)
+0.02, -0.02
-93.5
93.4
0.0067
0.033
-81.0
Oppo F7
+0.01, -0.10
-92.5
92.7
0.0019
0.0077
-91.2
Oppo F7 (headphones)
+0.50, -0.20
-91.4
91.8
0.0079
0.402
-51.5
Nokia 6 (2018)
+0.10, -0.20
-37.5
80.4
0.0018
4.735
-93.3
Nokia 6 (2018) (headphones)
+0.05, -0.03
-94.3
90.2
0.0027
0.019
-58.6
Nokia 7 Plus
+0.02, -0.31
-38.8
81.7
0.0013
4.690
-95.9
Nokia 7 Plus (headphones)
+0.25, -0.23
-93.3
90.4
0.0045
0.227
-53.9
Honor View 10
+0.02, -0.01
-92.6
92.6
0.0021
0.012
-94.4
Honor View 10 (headphones)
+0.17, -0.03
-92.0
92.1
0.0023
0.092
-52.8
Huawei Y7 Prime (2018) frequency response
You can learn more about the tested parameters and the whole testing process here.
Huawei Y7 Prime (2018) battery life
The Y7 Prime (2018) relies on a 3,000mAh battery to keep it powered - an unexpected downgrade from the 4,000mAh capacity of last year's model. In our testing, it didn't keep it powered for too long though, particularly when it comes to playing video where it failed to make it to the 7-hour mark. The 9-hour result in our web browsing test looks much better, though it's not spectacular either. The 16 hours on a 3G voice call are decent and standby was quite efficient. The numbers translate to an overall Endurance rating of 63 hours.
Our endurance rating denotes how long a single battery charge will last you if you use the Huawei Y7 Prime (2018) 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.
Charging is rather slow with the bundled 1A adapter - the 2 hours and 55 minutes it takes to get from flat to 100% makes it a overnight process preferably. Half an hour of charging only got the Y7 Prime (2018) to 19%.
We plugged it into a QuickCharge 3.0 charger we have lying around, and a full charge took 2 hours and 12 minutes, while a 30-minute charge resulted in a 32% battery reading - so faster charging is possible if you have a faster charger than the one supplied in the box.
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