On this page we compare specs Asus Zenfone 3 Ultra ZU680KL Octa-core (4x1.8 GHz Cortex-A72 & 4x1.4 GHz Cortex-A53) with Xiaomi Redmi Note 9 Pro Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
Hardware and OS | Asus Zenfone 3 Ultra ZU680KL | Xiaomi Redmi Note 9 Pro |
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Operating system | Android 6.1 (Marshmallow); ZenUI 3 | Android 10.0; MIUI 11 |
Processor | Octa-core (4x1.8 GHz Cortex-A72 & 4x1.4 GHz Cortex-A53) | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
Chipset | Qualcomm MSM8976 Snapdragon 652 (28 nm) | Qualcomm SM7125 Snapdragon 720G (8 nm) |
GPU | Adreno 510 | Adreno 618 |
Internal memory | 32/64/128 GB, 3/4 GB RAM | 64GB 4GB RAM, 128GB 6GB RAM |
External memory | microSD, up to 256 GB (uses SIM 2 slot) | microSDXC (dedicated slot) |
Display | Asus Zenfone 3 Ultra ZU680KL | Xiaomi Redmi Note 9 Pro |
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Type | IPS LCD | IPS LCD |
Size | 6.8" inc | 6.67" inc |
Resolution | 1080 x 1920 px | 1080 x 2400 px |
Protection | Corning Gorilla Glass 4 | Corning Gorilla Glass 5 |
Touchscreen | capacitive touchscreen | capacitive touchscreen |
Screen-to-Body Ratio | 72.8% | 84.5% |
Display area | 127.5 cm2 | 107.4 cm2 |
Display aspect ratio | 16:9 (height:width) | 20:9 (height:width) |
Pixel Density | 324 PPI | 395 PPI |
Colors | 16M | 16M |
Other | | 450 nits typ. brightness (advertised) |
Connectivity | Asus Zenfone 3 Ultra ZU680KL | Xiaomi Redmi Note 9 Pro |
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2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
3G Network | HSDPA 850 / 900 / 1900 / 2100 / 800 | HSDPA 850 / 900 / 1900 / 2100 |
4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) |
Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
SIM card | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | 4.2, A2DP, EDR, LE | 5.0, A2DP, LE |
Edge | Yes | Yes |
GPRS | Yes | Yes |
GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector |
Camera | Asus Zenfone 3 Ultra ZU680KL | Xiaomi Redmi Note 9 Pro |
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Main camera | 23 MP, Single | 48 MP, Quad |
Specs | 23 MP, f/2.0, 1/2.6', 1.0µm, 4-axis OIS, PDAF & laser AF | |
Features | Dual-LED dual-tone flash, HDR, panorama | LED flash, HDR, panorama |
Video | 1080p@30fps | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
Selfie camera | 8 MP, Single | 16 MP, Single |
Multimedia | Asus Zenfone 3 Ultra ZU680KL | Xiaomi Redmi Note 9 Pro |
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3.5 mm Jack | Yes | Yes |
Radio | FM radio | FM radio, recording |
Design | Asus Zenfone 3 Ultra ZU680KL | Xiaomi Redmi Note 9 Pro |
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Colors | Glacier Silver, Titanium Gray, Metallic Pink | Aurora Blue, Glacier White, Interstellar Black |
Dimensions | 186.4 x 93.9 x 6.8 mm | 165.8 x 76.7 x 8.8 mm |
Weight | 233 g | 209 g |
Body build | | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
Battery | Asus Zenfone 3 Ultra ZU680KL | Xiaomi Redmi Note 9 Pro |
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Battery capacity | 4600 mAh, Non-removable Li-Ion | 5020 mAh, Non-removable Li-Po |
Battery life | Talking time- Up to 34 h (3G)
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Other | Asus Zenfone 3 Ultra ZU680KL | Xiaomi Redmi Note 9 Pro |
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Release date | 2016, May | 2020, March 12 |
Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |