Xiaomi Redmi Note 5 AI Dual Camera review
Display
As we mentioned earlier, FullHD is becoming the new standard throughout the budget segment. It's always nice to see a crisp and sharp display on a budget phone. A 1080 x 2160 pixel one, no less, thanks to the trendy 18:9 aspect ratio. At a diagonal of 5.99 inches, the math works out to 403ppi.
| Display test | 100% brightness | ||
| Black, cd/m2 | White, cd/m2 | ||
| 0.351 | 560 | 1595 | |
| 0.548 | 555 | 1013 | |
| 0.419 | 554 | 1321 | |
| 0.351 | 551 | 1570 | |
| 0.356 | 531 | 1492 | |
| 0.28 | 530 | 1893 | |
| 0.315 | 527 | 1673 | |
| 0.387 | 525 | 1357 | |
| 0.401 | 519 | 1294 | |
| 0.378 | 503 | 1331 | |
| 0 | 485 | ∞ | |
| 0.322 | 484 | 1503 | |
| 0 | 482 | ∞ | |
| 0.339 | 476 | 1404 | |
| 0.236 | 458 | 1941 | |
| 0 | 348 | ∞ | |
| 0 | 326 | ∞ | |
At first glance, a few of the current Redmi devices seem to be sharing the same IPS panels. In reality, however, their screens posted different numbers in our display tests. The Redmi Note 5 AI Dual Camera came out on top of the pack, which is only fitting with its market standing. To be fair, the Redmi 5 Plus did manage to squeeze out a few extra nits, while under an intense light source, but the difference is negligible.
The panel on the Redmi Note 5 AI Dual Camera, on the other hands, has a substantially less light bleed in the blacks at 0% brightness and thus a respectable contrast ratio. Sunlight legibility is also pretty high up there, with few viable competitors within its price segment.
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 -
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 -
Nokia 6 (2018)
4.052 -
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 -
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 -
Xiaomi Redmi Note 5 AI Dual Camera
3.393 -
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 -
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 -
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
Like many budget LCDs nowadays, the one in the Redmi Note 5 AI Dual Camera has a noticeable blue tint about it. Most colors come off really cold. Out of the box, the color output is far from what we consider color-accurate, with an average deltaE of 6.3 and a maximum of 11.6 in the white.
Unfortunately, Xiaomi does not offer custom white point tuning, but there are some color setting to play around with. If you are after the best possible color reproduction, just leave the display on standard mode. That nets an average deltaE of 3.9 and a maximum of 8.8, again in the white.
Battery Life
The Xiaomi Redmi Note 5 AI Dual Camera comes equipped with a hefty 4,000 mAh battery. Redmi Note fans have come to love, appreciate and frankly, expect this capacity in this product family. The Snapdragon 636 chipset ticking away inside the phone is also based on a decently efficient 14nm manufacturing process. Then again, it does rely on more potent Kryo 260, compared to something like the legendarily good battery performer Snapdragon 625 so this woukd probably take a toll on its battery life.
We were surprised however to see that as far as on-screen tasks go, the Snapdragon 636 draws about as much power as the Snapdragon 625 in the Redmi Note 5 (Redmi 5 Plus). Either that or whatever difference between the two might exist gets nicely smoothed out by the new Android 8 OS core. Thirteen and a half hours on Wi-Fi web browsing and just shy of fourteen hours of offline video playback are very admirable results.
Now, the power management and efficiency difference between the two chipsets seems mostly stemming from the different modems. The older X8 LTE seems to be more-efficient in standby operation, while the newer X12 LTE, inside the Redmi Note 5 AI Dual Camera lasts noticeably longer in a call.
At the end of the day, that did cost the Redmi Note 5 AI Dual Camera a few hours off the overall endurance rating, but nothing too substantial. With 92 hours on the clock, it should easily be a 2-day battery life device for most users.
One less advertised feature on the Xiaomi Redmi Note 5 AI Dual Camera is its Quick Charge 3.0 support. In contrast, the Redmi Note 5 Pro has to get by with Quick Charge 2.0. The difference between the two is slight, but still potentially important. While both standards are capped at 18W for their maximum power delivery, QC4 operates at variable voltages between 3.6V and 20V, in increments of 200mV, in place of the older 5V/9V/12V fixed three-level system.
As for charging speed, our review unit managed to charge 30% of its battery in 30 minutes - not too shabby but the supplied charger is not among the fastest either. you should get better numbers with a QC 3.0 charger.
Our endurance rating denotes how long a single battery charge will last you if you use the Xiaomi Redmi Note 5 AI Dual Camera 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 Redmi Note 5 AI Dual Camera has a single bottom-firing speaker at its disposal, but it's a pretty decent one. Not only is it loud (just a few decibels shy from the Excellent mark), but it also keeps distortion at bay.
| Speakerphone test | Voice, dB | Ringing | Overall score | |
| 62.6 | 68.0 | 71.0 | Average | |
| 66.1 | 70.0 | 76.2 | Good | |
| 66.1 | 68.4 | 82.1 | Good | |
| 67.3 | 70.3 | 81.5 | Very Good | |
| 68.0 | 70.2 | 82.3 | Very Good | |
| 68.5 | 72.5 | 80.1 | Very Good | |
| 65.8 | 75.4 | 80.6 | Very Good | |
| 67.8 | 71.2 | 83.1 | Very Good | |
| 65.9 | 70.8 | 85.8 | Very Good | |
| 66.4 | 71.1 | 85.1 | Very Good | |
| 68.4 | 71.6 | 84.8 | Very Good | |
| 68.4 | 72.3 | 86.2 | Very Good | |
| 78.4 | 71.7 | 79.2 | Excellent | |
| 71.1 | 72.7 | 87.7 | Excellent | |
| 74.0 | 73.9 | 90.4 | Excellent |
Well, mostly, at least, there are no shrieks or uncomfortable squeaks at high pitches. However, don't expect a rich soundstage. It's just as dull as most mono smartphone speakers. You should be able to hear it ring at a loud party, though.
Audio quality
The Xiaomi Redmi Note 5 AI Dual Camera delivered perfectly accurate output when hooked to an active external amplifier. Sadly, its loudness was downright disappointing so we can't say we are too pleased here.
Clarity is barely affected when headphones come into play, which would be impressive for a device of any standing, and is even more so for a mid-ranger. Its loudness was again downright poor so those with high-impedance headphones might prefer to stay away. The rest will have little to frown at.
| Test | Frequency response | Noise level | Dynamic range | THD | IMD + Noise | Stereo crosstalk |
| +0.04, -0.05 | -89.4 | 89.4 | 0.0018 | 0.016 | -90.5 | |
| +0.13, -0.00 | -90.4 | 90.4 | 0.0018 | 0.041 | -80.8 | |
| +0.00, -0.03 | -93.6 | 93.5 | 0.0050 | 0.011 | -94.6 | |
| +0.02, -0.02 | -93.5 | 93.4 | 0.0067 | 0.033 | -81.0 | |
| +0.01, -0.10 | -92.5 | 92.7 | 0.0019 | 0.0077 | -91.2 | |
| +0.50, -0.20 | -91.4 | 91.8 | 0.0079 | 0.402 | -51.5 | |
| +0.10, -0.20 | -37.5 | 80.4 | 0.0018 | 4.735 | -93.3 | |
| +0.05, -0.03 | -94.3 | 90.2 | 0.0027 | 0.019 | -58.6 | |
| +0.02, -0.31 | -38.8 | 81.7 | 0.0013 | 4.690 | -95.9 | |
| +0.25, -0.23 | -93.3 | 90.4 | 0.0045 | 0.227 | -53.9 | |
| +0.02, -0.01 | -92.6 | 92.6 | 0.0021 | 0.012 | -94.4 | |
| +0.17, -0.03 | -92.0 | 92.1 | 0.0023 | 0.092 | -52.8 |
Xiaomi Redmi Note 5 AI Dual Camera frequency response
You can learn more about the tested parameters and the whole testing process here.
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