Asus Zenfone 11 Ultra review

GSMArena Team, 14 March 2024.

Display

As mentioned, the display on the Zenfone 11 Ultra has grown significantly from the previous Zenfone 10 generation. It now measures 6.78 inches in diagonal, the same as the one on the ROG Phone 8. The resolution is the same, too - 1080 x 2400 pixels. However, despite these similarities, the two don't appear to share the exact same panel since the Zenfone 11 Ultra is capped at 144Hz instead of 165 Hz. The Zenfone 11 Ultra uses an 8-bit E6 Samsung Flexible AMOLED panel.

Asus Zenfone 11 Ultra review

As per official spec, the display should be able to reach 2,500 nits (1,600 nits HBM) of maximum brightness.

In our standardized testing, we measured 831 nits by maxing out the slider. The phone managed an impressive 1773 nits in auto mode, with a bright light source in the vicinity.

The minimum brightness at point white is 5.8 nits in regular mode, but there is an "Extra Dim" toggle that brings that down to just 3 nits.

Max display brightness test

White test pattern, 75% fill (nits)

  • Manual mode
  • Auto mode
Realme GT5 Pro Realme GT5 Pro
976
6.78" LTPO AMOLED 1264 x 2780 px
Pixel 8 Pro Pixel 8 Pro
954
6.7" LTPO OLED 1344 x 2992 px
iPhone 15 Pro Max iPhone 15 Pro Max
846
6.7" LTPO Super Retina XDR OLED 1290 x 2796 px
Asus Zenfone 11 Ultra Asus Zenfone 11 Ultra
831
6.78" AMOLED 1080 x 2400 px
ROG Phone 8 Pro ROG Phone 8 Pro
831
6.78" AMOLED 1080 x 2400 px
Oppo Find X7 Ultra Oppo Find X7 Ultra
811
6.82" LTPO AMOLED 1440 x 3168 px
iPhone 15 iPhone 15
806
6.1" Super Retina XDR OLED 1179 x 2556 px
OnePlus 12 OnePlus 12
794
6.82" LTPO AMOLED 1440 x 3168 px
Galaxy S24 Galaxy S24
785
6.2" Dynamic LTPO AMOLED 2X 1080 x 2340 px
Galaxy S24+ Galaxy S24+
781
6.7" Dynamic LTPO AMOLED 2X 1440 x 3120 px
Honor Magic6 Pro Honor Magic6 Pro
774
6.8" LTPO OLED 1280 x 2800 px
Galaxy S24 Ultra Galaxy S24 Ultra
755
6.8" Dynamic LTPO AMOLED 2X 1440 x 3120 px
Sony Xperia 1 V Sony Xperia 1 V
589
6.5" OLED 1644 x 3840 px
vivo X100 Pro vivo X100 Pro
575
6.78" LTPO AMOLED 1260 x 2800 px
ROG Phone 7 Ultimate ROG Phone 7 Ultimate
522
6.78" AMOLED 1080 x 2448 px
Xiaomi 14 Xiaomi 14
497
6.36" LTPO OLED 1200 x 2670 px
Asus Zenfone 9 Asus Zenfone 9
449
5.9" AMOLED 1080 x 2400 px
Asus Zenfone 10 Asus Zenfone 10
442
5.9" AMOLED 1080 x 2400 px
iPhone 15 Pro Max iPhone 15 Pro Max
1787
6.7" LTPO Super Retina XDR OLED 1290 x 2796 px
Asus Zenfone 11 Ultra Asus Zenfone 11 Ultra
1773
6.78" AMOLED 1080 x 2400 px
ROG Phone 8 Pro ROG Phone 8 Pro
1765
6.78" AMOLED 1080 x 2400 px
Realme GT5 Pro Realme GT5 Pro
1660
6.78" LTPO AMOLED 1264 x 2780 px
iPhone 15 iPhone 15
1643
6.1" Super Retina XDR OLED 1179 x 2556 px
Pixel 8 Pro Pixel 8 Pro
1600
6.7" LTPO OLED 1344 x 2992 px
Honor Magic6 Pro Honor Magic6 Pro
1578
6.8" LTPO OLED 1280 x 2800 px
vivo X100 Pro vivo X100 Pro
1472
6.78" LTPO AMOLED 1260 x 2800 px
Galaxy S24+ Galaxy S24+
1452
6.7" Dynamic LTPO AMOLED 2X 1440 x 3120 px
Galaxy S24 Ultra Galaxy S24 Ultra
1447
6.8" Dynamic LTPO AMOLED 2X 1440 x 3120 px
Galaxy S24 Galaxy S24
1401
6.2" Dynamic LTPO AMOLED 2X 1080 x 2340 px
Xiaomi 14 Xiaomi 14
1175
6.36" LTPO OLED 1200 x 2670 px
Oppo Find X7 Ultra Oppo Find X7 Ultra
1165
6.82" LTPO AMOLED 1440 x 3168 px
OnePlus 12 OnePlus 12
1155
6.82" LTPO AMOLED 1440 x 3168 px
ROG Phone 7 Ultimate ROG Phone 7 Ultimate
1095
6.78" AMOLED 1080 x 2448 px
Sony Xperia 1 V Sony Xperia 1 V
866
6.5" OLED 1644 x 3840 px
Asus Zenfone 9 Asus Zenfone 9
831
5.9" AMOLED 1080 x 2400 px
Asus Zenfone 10 Asus Zenfone 10
807
5.9" AMOLED 1080 x 2400 px

The Zenfone 11 Ultra has a 144Hz maximum refresh rate. However, that maximum mode is only available for games and apps through Game Genie on a per-app basis. For regular everyday operation, the refresh rate cap is actually 120Hz.

Asus Zenfone 11 Ultra review

The phone has a total of three refresh rate modes to choose from in settings. 60Hz mode is self-explanatory. The other two modes are 120Hz and Auto. Both incorporate automatic switching logic through LTPO tech down to 5Hz when the phone is idle for a few seconds. The 60Hz mode also drops down to 5Hz. The difference is that in Auto mode, the Zenfone 11 Ultra also switches down to 60Hz on occasion for things like video playback, which is not the case in 120Hz.

The Zenfone 11 Ultra has the highest possible Widevine L1 certification, allowing apps like Netflix and other streaming services to offer up FullHD content. The phone has hardware decoding support for HDR10, HDR10+ and HLG. Everything except for Dolby Vision.

Battery life

The Zenfone 11 Ultra has a pretty large 5,500 mAh battery on board. That's kind of surprising, given the phone's reasonable weight and thickness.

The Snapdragon 8 Gen 3 chipset is not exactly the most efficient chip around. Even so, the Zenfone 11 Ultra managed a great Active Use Score of 16:28 hours in our proprietary testing.

Charging speed

The Zenfone 11 Ultra supports 65W charging. Asus has its own HyperCharge standard, which, as far as we can tell, is based on PD and PPS. The phone also officially advertises up to 65W charging via PD and PPS. So, given that there is no charger in the box, you may want to get yourself a good PD + PPS charger to pair with the phone. You can also charge wirelessly via Qi at up to 15W.

Asus Zenfone 11 Ultra review

We tested charging with the charger from the ROG Phone 8 Pro and a Baseus 65W PD charger and got basically the same results either way. That's with a good 5A USB Type-C to Type-C cable. Using the 3A cable included in the box did harm charging time, but only by about 6 minutes for a full charge.

As expected, the Zenfone 11 Ultra basically charges at the same rate as the ROG Phone 8 Pro. Asus' charging solution offers very competitive charging speeds. Obviously, you're not going to get the same rates as Oppo's or OnePlus 100W solutions, but in absolute terms, the zero to full times aren't that drastically different.

Charging speed

  • in 15 min
  • in 30 min
  • Time to full charge (from 0%)
Oppo Find X7 Ultra Oppo Find X7 Ultra
70%
5000 mAh 100W SuperVOOC
OnePlus 12 OnePlus 12
70%
5400 mAh 100W SuperVOOC
Realme GT5 Pro Realme GT5 Pro
62%
5400 mAh 100W SuperVOOC
vivo X100 Pro vivo X100 Pro
60%
5400 mAh 100W FlashCharge
Huawei P60 Pro Huawei P60 Pro
58%
4815 mAh 88W Huawei SuperCharge
Xiaomi 14 Xiaomi 14
58%
5000 mAh 90W charging
Honor Magic6 Pro Honor Magic6 Pro
47%
5600 mAh 66W Honor SuperCharge
Asus Zenfone 11 Ultra Asus Zenfone 11 Ultra
46%
5500 mAh 65W HyperCharge
ROG Phone 8 Pro ROG Phone 8 Pro
46%
5500 mAh 65W HyperCharge
Galaxy S24+ Galaxy S24+
41%
4900 mAh 45W Samsung PD+PPS
ROG Phone 7 ROG Phone 7
40%
6000 mAh 65W DirectCharge
ROG Phone 7 Ultimate ROG Phone 7 Ultimate
39%
6000 mAh 65W DirectCharge
Galaxy S24 Ultra Galaxy S24 Ultra
39%
5000 mAh 45W Samsung PD + PPS
Asus Zenfone 10 Asus Zenfone 10
36%
4300 mAh 30W HyperCharge
iPhone 15 Pro iPhone 15 Pro
32%
3274 mAh 20W PD
iPhone 15 Plus iPhone 15 Plus
32%
4383 mAh 20W PD
Galaxy S24 Galaxy S24
29%
4000 mAh 25W Samsung PD+PPS
Pixel 8 Pro Pixel 8 Pro
28%
5050 mAh 30W PD
Sony Xperia 1 V Sony Xperia 1 V
27%
5000 mAh 30W PD
Sony Xperia 5 V Sony Xperia 5 V
27%
5000 mAh Sony 30W
Oppo Find X7 Ultra Oppo Find X7 Ultra
100%
5000 mAh 100W SuperVOOC
Realme GT5 Pro Realme GT5 Pro
100%
5400 mAh 100W SuperVOOC
OnePlus 12 OnePlus 12
100%
5400 mAh 100W SuperVOOC
vivo X100 Pro vivo X100 Pro
98%
5400 mAh 100W FlashCharge
Huawei P60 Pro Huawei P60 Pro
95%
4815 mAh 88W Huawei SuperCharge
Xiaomi 14 Xiaomi 14
94%
5000 mAh 90W charging
Honor Magic6 Pro Honor Magic6 Pro
82%
5600 mAh 66W Honor SuperCharge
Asus Zenfone 11 Ultra Asus Zenfone 11 Ultra
80%
5500 mAh 65W HyperCharge
ROG Phone 8 Pro ROG Phone 8 Pro
80%
5500 mAh 65W HyperCharge
Galaxy S24+ Galaxy S24+
74%
4900 mAh 45W Samsung PD+PPS
ROG Phone 7 ROG Phone 7
69%
6000 mAh 65W DirectCharge
Galaxy S24 Ultra Galaxy S24 Ultra
69%
5000 mAh 45W Samsung PD + PPS
ROG Phone 7 Ultimate ROG Phone 7 Ultimate
68%
6000 mAh 65W DirectCharge
Asus Zenfone 10 Asus Zenfone 10
60%
4300 mAh 30W HyperCharge
Galaxy S24 Galaxy S24
59%
4000 mAh 25W Samsung PD+PPS
Asus Zenfone 9 Asus Zenfone 9
57%
4300 mAh 30W HyperCharge
iPhone 15 Pro iPhone 15 Pro
57%
3274 mAh 20W PD
iPhone 15 Plus iPhone 15 Plus
53%
4383 mAh 20W PD
Pixel 8 Pro Pixel 8 Pro
53%
5050 mAh 30W PD
Sony Xperia 1 V Sony Xperia 1 V
50%
5000 mAh 30W PD
Sony Xperia 5 V Sony Xperia 5 V
50%
5000 mAh Sony 30W
OnePlus 12 OnePlus 12
0:24h
5400 mAh 100W SuperVOOC
Oppo Find X7 Ultra Oppo Find X7 Ultra
0:25h
5000 mAh 100W SuperVOOC
Realme GT5 Pro Realme GT5 Pro
0:28h
5400 mAh 100W SuperVOOC
vivo X100 Pro vivo X100 Pro
0:31h
5400 mAh 100W FlashCharge
Huawei P60 Pro Huawei P60 Pro
0:35h
4815 mAh 88W Huawei SuperCharge
Xiaomi 14 Xiaomi 14
0:35h
5000 mAh 90W charging
Asus Zenfone 11 Ultra Asus Zenfone 11 Ultra
0:41h
5500 mAh 65W HyperCharge
ROG Phone 8 Pro ROG Phone 8 Pro
0:42h
5500 mAh 65W HyperCharge
Honor Magic6 Pro Honor Magic6 Pro
0:44h
5600 mAh 66W Honor SuperCharge
Galaxy S24+ Galaxy S24+
0:58h
4900 mAh 45W Samsung PD+PPS
ROG Phone 7 ROG Phone 7
1:01h
6000 mAh 65W DirectCharge
ROG Phone 7 Ultimate ROG Phone 7 Ultimate
1:02h
6000 mAh 65W DirectCharge
Galaxy S24 Ultra Galaxy S24 Ultra
1:05h
5000 mAh 45W Samsung PD + PPS
Asus Zenfone 9 Asus Zenfone 9
1:15h
4300 mAh 30W HyperCharge
Galaxy S24 Galaxy S24
1:15h
4000 mAh 25W Samsung PD+PPS
Asus Zenfone 10 Asus Zenfone 10
1:21h
4300 mAh 30W HyperCharge
Pixel 8 Pro Pixel 8 Pro
1:23h
5050 mAh 30W PD
iPhone 15 Pro iPhone 15 Pro
1:33h
3274 mAh 20W PD
Sony Xperia 5 V Sony Xperia 5 V
1:33h
5000 mAh Sony 30W
iPhone 15 Plus iPhone 15 Plus
1:34h
4383 mAh 20W PD
Sony Xperia 1 V Sony Xperia 1 V
1:37h
5000 mAh 30W PD

Speakers - loudness and quality

The Zenfone 11 Ultra has a stereo speaker setup. The top speaker doubles as the earpiece, which does, however, mean that it is facing forward, while the bottom speaker is facing down or to the side, depending on how you hold the phone. This intrinsically leads to some unbalanced output. Even so, the Zenfone 11 Ultra manages a pretty convincing stereo effect with a wide and rich sound stage.

Sound quality is relatively high with nice, well-developed mids, clear highs, and even some bass. Asus says that its stereo speakers are now 25.2% larger (11*15mm super linear bottom speaker and 12*16mm super linear top speaker).

The Zenfone 11 Ultra managed a GOOD loudness score in our testing.

In keeping with Asus tradition, the Zenfone 11 Ultra has a dedicated AudioWizard menu where the DIRAC-powered equalizer resides. There are multiple presents as well as manual sliders. There is also support for Dirac Virtual surround sound with headphones, plus Qualcomm's aptX Adaptive/HD/Lossless and Snapdragon Sound, Hi-Res Audio and Hi-Res Audio Wireless.

Use the Playback controls to listen to the phone sample recordings (best use headphones). We measure the average loudness of the speakers in LUFS. A lower absolute value means a louder sound. A look at the frequency response chart will tell you how far off the ideal "0db" flat line is the reproduction of the bass, treble, and mid frequencies. You can add more phones to compare how they differ. The scores and ratings are not comparable with our older loudspeaker test. Learn more about how we test here.

Connectivity

The Zenfone 11 Ultra is a dual-SIM 5G device. It simultaneously supports SA/NSA Sub-6 connectivity on both nano SIM slots. The phone has GPS (L1+L5), GNSS, Galileo, Beidou, QZSS and NavIC for positioning. Local connectivity includes Wi-Fi 7/be with triple-band support, which means you can use the fresh 6GHz band.

There is also Bluetooth 5.4 with LE support and aptX HD, aptX Adaptive and aptX Lossless. High-res wireless audio is also supported. There is also NFC on board, but no FM radio receiver. There is a 3.5mm audio jack on board, though, with Hi-Res audio support.

Asus Zenfone 11 Ultra review

A 5Gbps data connection backs up the USB port and supports USB Host/OTG. Unfortunately, unlike the ROG Phone 8 line, the Zenfone 11 Ultra does not support video output via the Type-C port. You are stuck using wireless display casting.

The Zenfone 11 Ultra has a pretty full set of sensors on board. There is a TDK-InvenSense icm4x6xx accelerometer and gyroscope combo, Asus-branded light and Asus-branded hardware proximity sensors. Also on board is a Voltafield AF6837 magnetometer and compass combo. There is a hall sensor on board but no barometer.

Reader comments

  • Jim
  • 18 hours ago
  • 7F$

I bought the Zephone 11 Ultra on April 3 and it has been just long enough that I can't trade the phone or send it back. It has been a nightmare in the last few days since the speaker just continuously makes a popping sound making it impossible t...

Lenovorola. Chinese brands if you have them available will always be competitive hardware wise, depends how much you like skins.

  • Anonymous
  • 06 May 2024
  • pkT

Who is looking at this phone. People who no longer want Samsungs which are bloated and overhyped. One plus are also going down the pan. Whose left ?