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Xiaomi Redmi 9 Prime (128GB) vs Asus Zenfone 3 Ultra (ZU680KL 32GB)

Side by side comparison between Xiaomi Redmi 9 Prime vs Asus Zenfone 3 Ultra phones, differences, pros, cons and full specifications. What's the better?

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Compare Asus Zenfone 3 Ultra X Xiaomi Redmi 9 Prime (128GB) 14Points
6.53"
IPS

1080x2340

13
MP

8mp

4GB
RAM

Octa-core

5020
mAh

(Non removable)

vs
08Points Asus Zenfone 3 Ultra (ZU680KL 32GB) Compare Xiaomi Redmi 9 Prime X
6.8"
IPS+

1080x1920

23
MP

8mp

3GB
RAM

Octa-core

4600
mAh

(Non removable)

What's the better phone? Xiaomi Redmi 9 Prime (128GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Redmi 9 Prime (128GB)} 14 Advantages Xiaomi Redmi 9 Prime (128GB) vs Zenfone 3 Ultra (ZU680KL 32GB)} 8 Advantages Asus Zenfone 3 Ultra (ZU680KL 32GB)
+2GHz 64bit Octa-core (12nm)24%
More powerful processor, you can open your applications faster
vs1.8GHz 64bit Octa-core
+4GB LPDDR4X33%
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR4
+128GB (106GB available)3 times
More internal storage for applications and files
vs32GB (24GB available)
+Until 512GB microSD, microSDXC100%
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+198 grams (6.93 ounces)18%
Lighter
vs233 grams (8.16 ounces)
+1080x2340 pixels22%
Higher resolution screen
vs1080x1920 pixels
+395 PPI22%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs324 PPI
+(quad camera) 13MP + 8MP + 5MP + 2MP22%
Higher resolution main camera
vs(back) 23MP
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 8.0 Oreo
+Face unlock 2DAdvantage
Sensors help you use the device
vsNot supported
+5020 mAh9%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4600 mAh
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+Water repellent nano-coating (don't immerse)Advantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
9.1 millimeters (0.36 inches)vs+6.8 millimeters (0.27 inches)34%
Thinner
6.53"vs+6.8"4%
Larger screen
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilizationvs+OIS (4-axis): Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
1/3.1" inchesvs+1/2.6" inches19%
The larger sensor camera lets you take photos with better depth.
f/2.2 (aperture)vs+f/2.0 (aperture)10%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device

29 Common items in both devices
TFT IPS LCD / TFT Super IPS+
16 million
Only digital zoom
PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus
HDR photo on both cameras
(front) 8MP
(front) Full HD (1920x1080)
+22 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
ModelRedmi 9 Prime (128GB)Zenfone 3 Ultra (ZU680KL 32GB)
Other model namesXiaomi Redmi 9 Prime (M2004J19PI)Asus Zenfone 3 Ultra 3GB/32GB ZU680KL Dual-Sim, Asus Mercury
Country or region availableIndia
India
(Global, International)
(Global, International)
BrandXiaomiAsus
Release date8/4/20208/1/2016
Depth9.1 millimeters (0.36 inches)6.8 millimeters (0.27 inches)
Size (width x height)77.01 x 163.32 millimeters (3.03 x 6.43 in)93.9 x 186.4 millimeters (3.7 x 7.34 in)
Weight198 grams (6.93 ounces)233 grams (8.16 ounces)
Build, materialsPlastic body, glass frontfeature not registered
Protection against water and othersWater repellent nano-coating (don't immerse)Not supported

📲 Display

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
Display typeTFT IPS LCDTFT Super IPS+
Screen size6.53" inches6.8" inches
Screen-to-body ratio~83.2% (screen-to-body ratio)~72.8% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)395 PPI324 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 4
Refresh rate60Hzfeature not registered
Display features400nits[typ]feature not registered

🤖 Operating System

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
System versionAndroid 10Android 6.0.1 Marshmallow
Firmware updatefeature not registeredAndroid 8.0 Oreo
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
Chipset64bit: MediaTek Helio G80 (MT6769V/CU) (12nm)64bit: Qualcomm Snapdragon 652 MSM8976 (28nm)
CPUOcta-core, 2 processors:
2x 2GHz ARM Cortex-A75 (Dual-core)
6x 1.8GHz ARM Cortex-A55 (Hexa-core)
Octa-core, 2 processors:
4x 1.8GHz ARM Cortex-A72 (Quad-core)
4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-G52 MC2 (950MHz)Qualcomm Adreno 510 600Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
RAM memory4GB LPDDR4X3GB LPDDR4
Internal storage128GB (106GB available)
eMMC 5.1
32GB (24GB available)
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100Global version:
UMTS 800/850/900/1900/2100
China version:
CDMA2000, TD-SCDMA 1900/2000
UMTS 800/850/900/1900/2100
Primary 4G networkLTE Cat6 (1, 3, 5, 8)
TD-LTE (40, 41)
VoLTE
LTE Cat6
Global version:
LTE (Bands 1,3,5,7,8,18,19,20,26,28)
TD-LTE (Bands 38,40,41)
China version:
LTE (Bands 1,3,5,7,8,18,19,20,26,28)
TD-LTE (Bands 38,39,40,41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
Back camera (main camera)(quad camera)
13 megapixels
8MP ultrawide f/2.2118°1/4.0"1.12µm
5MP macro f/2.4
2MP depth f/2.4
23 megapixels
Main camera resolution4128x3096 pixels5520x4140 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 24 fps
FlashLED flashDual-LED flash
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length28mm (lens)feature not registered
Sensor size1/3.1" inches1/2.6" inches
Pixel size1.12µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocusLDAF/PDAF: laser/phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS (4-axis): Optical stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
Front camera (secondary)8 megapixels8 megapixels
Front camera resolution3264x2448 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length27mm (lens)feature not registered
Sensor size1/4" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered

🔉 Sound and multimedia

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, eAAC+, FLAC

🔌 Connectivity

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)USB Type-C SlimPort®
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
NFCNot supportedNot supported
Infrared portSupportedSupported

🧭 Sensors

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity5020 mAh4600 mAh
Charger, watts18W Wired fast charging18W (9V/2A) Wired fast charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomy31 hours (1.3 days)34 hours (1.4 days)
Standbyfeature not registeredfeature not registered

➕ Other features

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Space Blue, Mint Green, Matte Black, Sunrise Flare
• MIUI 11
• 10W charger included
• Colors: Titanium Gray, Glacier Silver, Rose Gold
• USB OTG On-The-Go
• Asus ZenUI 3.0
• Sony IMX318 sensor camera
• DTS headphone
• Hi-Res audio 192kHz/24bit
• Quick Charge 3.0
• Fast charging battery: 60% in 45min
• Miracast

☢️ Radiation rate

Redmi 9 Prime (128GB)Asus Zenfone 3 Ultra (ZU680KL 32GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.85W/kg (head), 0.42W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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