Cubot KingKong AX Review

15 March 2024, 13:58:40

Cubot KingKong AX Review
The Cubot KingKong AX will go on sale on April 15th. You will be able to purchase it at a promotional price from the Cubot's Official AliExpress Store. More information can be obtained from the Cubot Official website. Moreover, the Cubot Anniversary sale on AliExpress starts today - coupon codes and discounts inside.

Battery Tests

Cubot KingKong AX is equipped with a 5100 mAh Li-Pol battery with 33W fast charging support. All battery tests we run on the devices we review are developed by us and performed with the screen of the device calibrated to 200 cd/m2. Battery-saving features are disabled. We've tested an identical or similar combination of a display, refresh rate, chipset, and battery, so we've built a good base for making comparisons. All test results and comparisons are below.
Charging (1 hour and 35 minutes)
The battery of our KingKong AX was charged in full for 1 hour and 46 minutes with the provided USB cable and charger. The charging process is very fast until the battery regains 70% of its charge. That happens 35 minutes from the start. After this, the process slows down visibly. It takes 15 minutes to reach 80%, another 15 minutes to reach 90%, and 30 minutes to finish charging the battery in full. The battery temperature starts at 34°C, jumps to 40°C in 3 minutes, and hits its peak of 51°C after another 20 minutes. It maintains this level for 8 minutes and begins decreasing, measuring 30°C in the end.
Browsing at 60 Hz (12 hours and 51 minutes)
During our intensive browsing test with the display's refresh rate set at 60Hz, the battery of our KingKong AX lasted for 12 hours and 51 minutes. The discharging process draws a relatively steady line from the start until the end with a slightly slower start. The battery temperature starts at 25°C, reaches 30°C in 30 minutes, then 31°C after another half an hour and remains at this level for 8 hours. After that, it goes up a notch to 32-33°C, staying at this level until the end.
Browsing at 90 Hz (10 hours and 12 minutes)
During our intensive browsing test but with the screen's refresh rate set to 90Hz, the battery of our KingKong AX lasted for 10 hours and 12 minutes. The discharging process follows the same pattern as the 60Hz test. The battery temperature starts at 27°C. Reaches 33°C in 45 minutes and remains at this level for 8 hours. After that, it increases by a degree, and maintains a level of around 34°C until the end.
Browsing at 120 Hz (8 hours and 51 minutes)
The last browsing test with the screen's refresh rate set to 120Hz shows 8 hours and 51 minutes of battery life in intensive browsing conditions. The discharging process follows the same pattern observed during the previous two browsing tests. The battery temperature starts at 29°C. Reaches 34°C in 45 minutes, and stays at this level until the end.
1080p Video at 60 Hz (13 hours and 45 minutes)
1920x1080, 30 fps, H.264, 20Mbps bitrate
The video test for battery life uses a 1080p video at 30 fps with a ~20Mbps rate is used. Our review unit's score is 13 hours and 45 minutes. The discharging process does not differ from the previously run tests - a slightly slower start and a steady pace until the end. The battery temperature starts at 32°C and stays at this level until the end with occasional ups to and drops 33°C.
2160p Video at 60 Hz (11 hours and 22 minutes)
3840x2160, 30 fps, H.264, ~55 Mbps bitrate
The 4K video battery life test uses a 2160p video at 30 fps with a ~55 Mbps rate. In this test, the battery of the Cubot KingKong AX lasted for 11 hours and 22 minutes. The discharging process curve is the same as the one of the 1080p video test. The battery temperature starts at 30°C, increases to 33°C in 20 minutes, and after 4 hours drops to 32°C, remaining at this level until the end.
3D Graphics/Gaming 60 Hz (7 hours and 56 minutes)
YEBIS OpenGL ES 3.0 3D Tech Demo
For the 3D Graphics/Gaming test we used Real Racing 3 because the Yebis app did not work. The result from this test is 7 hours and 56 minutes. The discharging process maintains the same profile as the other tests. The battery temperature starts at 27°C, reaches 46°C in 1 hour, and remains at this level until the end with occasional ups to and drops from 37°C.
Browsing at 60 Hz
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Cubot KingKong AX
12:51 (5100 mAh)
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Browsing at 90 Hz
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Ulefone Note 17 Pro
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Cubot KingKong AX
10:12 (5100 mAh)
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Browsing at 120 Hz
Doogee V30
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Ulefone Power Armor 19
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Ulefone Power Armor 19T
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Oukitel WP27
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Ulefone Armor 23 Ultra
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Ulefone Note 17 Pro
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Hafury Meet
09:06 (5100 mAh)
Cubot KingKong AX
08:51 (5100 mAh)
1080p Video
UMIDIGI S2 Pro
14:18 (5100 mAh)
Xiaomi Mi 9
14:13 (3300 mAh)
Cubot KingKong 5
14:12 (5000 mAh)
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Samsung Galaxy S10 Exynos
14:01 (3400 mAh)
Doogee S60
13:59 (5580 mAh)
OnePlus 5T
13:58 (3300 mAh)
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13:50 (3500 mAh)
Cubot KingKong AX
13:45 (5100 mAh)
Xiaomi Redmi Note 7 Pro
13:27 (4000 mAh)
OnePlus 6
13:22 (3300 mAh)
Hafury Meet
13:16 (5100 mAh)
UMIDIGI One Max
13:07 (4150 mAh)
Ulefone Armor 6E
13:06 (5000 mAh)
Oukitel K6000 Plus
12:37 (6080 mAh)
Samsung Galaxy S9+ Exynos
12:29 (3500 mAh)
Cubot X50
12:24 (4500 mAh)
2160p Video
Xiaomi Redmi Note 8 Pro
12:56 (4500 mAh)
Xiaomi Redmi Note 7 Pro
12:47 (4000 mAh)
Unihertz Luna
12:46 (5000 mAh)
Ulefone Armor 17 Pro
12:36 (5380 mAh)
OnePlus 6
12:11 (3300 mAh)
OnePlus 5T
11:55 (3300 mAh)
Xiaomi Mi Mix 3
11:38 (3200 mAh)
Hafury Meet
11:27 (5100 mAh)
Cubot KingKong AX
11:22 (5100 mAh)
Samsung Galaxy S10 Exynos
11:20 (3400 mAh)
Doogee N40 Pro
10:51 (6380 mAh)
Xiaomi Mi 8
10:41 (3400 mAh)
OnePlus 3T
10:20 (3400 mAh)
Nokia X7
10:17 (3500 mAh)
Xiaomi Mi Note 3
10:12 (3500 mAh)
Samsung Galaxy A60
10:04 (3500 mAh)
Xiaomi Mi 6
09:59 (3350 mAh)
3D Graphics/Gaming
(Real Racing 3)
Oukitel WP33 Pro
35:38 (22000 mAh)
Oukitel WP35
20:11 (11000 mAh)
FOSSiBOT F106 Pro
17:50 (12000 mAh)
Ulefone Power Armor 16S
13:21 (9600 mAh)
Ulefone Armor 23 Ultra
08:51 (5280 mAh)
Ulefone Note 17 Pro
08:43 (5050 mAh)
Hafury Meet
08:29 (5100 mAh)
Cubot KingKong AX
07:56 (5100 mAh)
Oukitel OT5 8250mAh
07:15 (8250 mAh)
AGM H6
07:02 (4900 mAh)
Infrared thermography
The above photos of the Cubot KingKong AX are taken with a FLIR thermal camera. The left photo shows the device's temperature during charging. The hottest part during this process is an area right below the center of the left frame with a temperature of 36.5°C. The second hottest area is the USB cable-s connector with a temperature of 35.9°C. The second photo depicts the device's temperature during our 3D battery life test. In this case, the hottest part is the center of the chin with a temperature of 35.9°C. The second h hottest area is the center of the upper half of the body with a temperature of 34.4°C.

Battery Settings

The Battery menu lacks the Adaptive Battery feature. It contains the general battery status, the Battery Saver options for automatic, and two toggles for showing the battery percentage in the status bar - one is for showing or hiding it and the other is for showing it outside the battery icon.

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