5.5-inch AMOLED display can be punchy or super accurate
The Galaxy J7 Pro is equipped with a 5.5-inch Super AMOLED display - Samsung's favored display tech is firmly stepping into the midrange. The panel has a FullHD resolution and a Diamond Pentile subpixel arrangement, nothing out of the ordinary.
We expected the J7 Pro to post the same numbers in the tests as the J7 (2017), and things started off that way. Maximum brightness in manual mode is a reasonable if modest, 350nits around the same the J7 (2017) outputs. In Auto mode, however, the J7 Pro gets a healthy boost to 539nits, beating the J7 (2017) by about 60nits.
The contrast ratio is still infinite due to the truly deep blacks AMOLED technology offers.
Display test
100% brightness
Black, cd/m2
White, cd/m2
Contrast ratio
Samsung Galaxy J7 (2016)
0
353
∞
Samsung Galaxy J7 (2016) (Outdoor mode)
0
484
∞
Samsung Galaxy J7 (2017)
0
348
∞
Samsung Galaxy J7 (2017) (Max Auto)
0
482
∞
Samsung Galaxy J7 Pro
0
350
∞
Samsung Galaxy J7 Pro (Max Auto)
0
539
∞
Samsung Galaxy A7 (2017)
0
425
∞
Samsung Galaxy A7 (2017) (Max Auto)
0
533
∞
Samsung Galaxy A5 (2017)
0
413
∞
Samsung Galaxy A5 (2017) (Max Auto)
0
559
∞
Samsung Galaxy C7
0
422
∞
Samsung Galaxy C7 (Max Auto)
0
625
∞
Xiaomi Mi A1
0.351
551
1570
Nokia 6 (Global version)
0.364
484
1330
Oppo R11
0
410
∞
Motorola Moto Z2 Play
0
432
∞
Oppo F3
0.364
449
1234
Xiaomi Redmi Note 4 (S625)
0.322
484
1503
OnePlus 5
0
435
∞
Sony Xperia XA1 Plus
0.376
591
1572
Sunlight legibility is also excellent on the J7 Pro. Our test puts it ahead of the J7 (2017) and almost up there with the Note8 - LCDs in this price range stand no chance.
Sunlight contrast ratio
Apple iPhone X 5.013
Samsung Galaxy S8 4.768
Samsung Galaxy S8+ 4.658
Samsung Galaxy S6 edge+ 4.615
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
HTC One A9 4.274
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 A7 (2017) 4.124
Samsung Galaxy S6 edge 4.124
Huawei Mate 10 Pro (normal) 4.096
Samsung Galaxy Note5 4.09
Google Pixel 2 (pre-update) 4.023
LG V30 4.022
Huawei Nexus 6P 4.019
Samsung Galaxy J7 Pro 3.998
OnePlus X 3.983
Vivo Xplay5 Elite 3.983
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
Samsung Galaxy A8 3.859
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
LG V20 Max auto 3.798
Xiaomi Redmi Pro 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
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
Apple iPhone SE 3.681
Huawei Mate 9 3.68
Samsung Galaxy A7 3.679
Meizu PRO 6 3.659
BlackBerry Priv 3.645
Sony Xperia XA1 Ultra 3.597
Apple iPhone 7 Plus 3.588
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
nubia Z11 3.466
Huawei P10 Plus 3.456
HTC U Ultra 3.453
Samsung Galaxy J7 3.422
Meizu MX5 3.416
LG V20 3.402
Huawei P10 3.379
Samsung Galaxy J5 (2016) 3.378
Oppo R9s 3.352
Honor 8 Pro 3.341
Oppo R7 3.32
Lenovo P2 3.316
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
Huawei Mate 9 Pro 3.206
Huawei P9 3.195
Xiaomi Mi Mix 2 3.19
ZTE Nubia Z17 3.159
Lenovo Vibe Shot 3.113
Motorola Moto X Force 3.105
LG Nexus 5X 3.092
HTC U11 3.089
Huawei Mate S 3.073
Microsoft Lumia 640 XL 3.065
Sony Xperia XA1 3.012
Sony Xperia L1 2.994
Huawei P10 Lite 2.974
Samsung Galaxy Note 2.97
Sony Xperia Z1 2.95
Huawei Mate 8 2.949
Xiaomi Redmi 4 2.92
Xiaomi Redmi 3S 2.913
Sony Xperia XA Ultra 2.906
LG G5 2.905
HTC One S 2.901
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
Meizu MX6 2.751
LG V10 2.744
Huawei Mate 10 (normal) 2.742
Xiaomi Redmi 3 2.735
Xiaomi Redmi Note 4 (S625) 2.714
Meizu M5 2.71
Sony Xperia M5 2.69
Xiaomi Mi A1 2.689
Xiaomi Redmi 4 Prime 2.679
Huawei P9 Lite 2.679
Vivo V3Max 2.659
Xiaomi Mi Mix 2.658
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 (max auto) 2.582
Motorola Moto G4 Plus 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
Xiaomi Mi Max 2 2.561
Motorola Moto G 4G 2.546
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
Oppo F1s 2.481
Motorola Moto G 2.477
Lenovo Vibe K5 Plus 2.473
Huawei G8 2.471
Huawei nova 2.467
Lenovo Vibe K5 2.459
Meizu m3 max 2.447
Xiaomi Mi 5X (Auto) 2.417
HTC 10 evo 2.407
Huawei Honor 7 2.406
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
Apple iPhone 4S 2.269
Lenovo Vibe K4 Note 2.254
Sony Xperia C5 Ultra 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
Meizu m3 note 1.923
Meizu m2 note 1.892
BlackBerry Leap 1.892
HTC Butterfly 1.873
Sony Xperia Z1 Compact 1.772
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
HTC Desire C 1.3
Meizu MX 1.221
Sony Xperia E 1.215
Believe it or not, the Galaxy J7 Pro has one of the most color-accurate displays we've encountered. It's capable of a remarkable average DeltaE of 1.4, of course, only in its Basic color mode. If you're not into color accuracy that much, you can always keep it in the default Adaptive mode, where it'll 'adjust' color to content and activity. In this mode, we measured an average DeltaE of 6.0 and a maximum of 14.3 for the 100% Red swatch.
Connectivity
Our research points that the Galaxy J7 Pro is only available in dual-SIM variants (ours certainly is), so you can get some flexibility regarding carriers and plans. The LTE is rated Cat.6 for up to 300Mbps downlink.
As part of this year's connectivity package improvement, the J7 Pro gets Wi-Fi ac support, which also means it will readily work on both the 2.4GHz and 5.0GHz bands. There's GPS with A-GPS, GLONASS, and Beidou; Bluetooth is v.4.1, and there's also an FM radio receiver. NFC is on board too with a dedicated options menu in the Settings.
Wired options include a microUSB port and a 3.5mm jack. The microUSB port can be used to attach an external accessory as it supports USB On-The-Go. We wish Samsung started using USB-C ports on all of its new products - not just for the higher-end ones - as this would help establish the new standard more quickly.
Samsung Galaxy J7 Pro battery life
There's a 3,600mAh battery inside the Galaxy J7 Pro, a generous amount for a 5.5-inch AMOLED display/14nm chipset combo.
The flipside of this relatively large capacity is that it takes a while to fill up - with no fast charging, the 1.55A charger gets the battery from flat to 24% in 30 minutes.
We have no complaints about endurance, though. In our testing, the J7 Pro clocked in over 18 hours looping videos and around twelve and a half hours when browsing the web over Wi-Fi. In voice calls, it lasted well over a full day too. Frugal standby consumption helped achieve an overall Endurance rating of 107 hours.
Keeping the Always on display featured turned on inevitably took its toll on the battery endurance, but our testing doesn't necessarily reflect real-life usage. You see, the AOD will turn off completely if the phone's in your pocket or in a drawer or face down, thus saving battery, while it will stay on all the time if the phone's sitting on a desk - our testing environment. So consider this the worst case scenario if you have AOD on.
Our endurance rating denotes how long a single battery charge will last you if you use the Samsung Galaxy J7 Pro 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 typical use.
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