Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) vs Xiaomi Redmi Note 9S (128GB)
Side by side comparison between Asus Zenfone Max Pro (M2) vs Xiaomi Redmi Note 9S phones, differences, pros, cons and full specifications. What's the better?
,
6.26"
IPS
IPS
1080x2280
12
MP
MP
13mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.67"
IPS
IPS
1080x2400
48
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi Note 9S (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!
5 Advantages 
17 Advantages | 36 Common items in both devices |
| 6GB LPDDR4 / 6GB LPDDR4X |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| Plastic body, glass front / Plastic body, glass front/back |
| TFT IPS LCD |
| 60Hz |
| 16 million |
| Only digital zoom |
| +29 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 | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| Model | Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) |
| Other model names | Asus Zenfone Max Pro M2 ZB631KL (6GB RAM), X01BDA | Xiaomi Note 9S (M2003J6A1G Global version) 6GB RAM |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Xiaomi |
| Release date | 12/1/2018 | 4/30/2020, Announced: 3/23/2020 |
| Depth | 8.5 millimeters (0.33 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 75.5 x 157.9 millimeters (2.97 x 6.22 in) | 76.68 x 165.75 millimeters (3.02 x 6.53 in) |
| Weight | 175 grams (6.13 ounces) | 209 grams (7.32 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front/back |
| Protection against water and others | Not supported | P2i certified: water repellent nano-coating |
📲 Display | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.26" inches | 6.67" inches |
| Screen-to-body ratio | ~82% (screen-to-body ratio) | ~84.5% (screen-to-body ratio) |
| Display resolution | 1080x2280 pixels (19:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass 5 |
| Refresh rate | 60Hz | 60Hz |
| Display features | 450nits[typ] | 450nits[typ] HDR10 |
🤖 Operating System | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| System version | Android 8.1 Oreo | Android 10 |
| Firmware update | Android 9.0 Pie | Android 11 |
| User Interface | ZenUI | MIUI 11 / 12 |
⚙️ Processor | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) | 64bit: Qualcomm Snapdragon 720G (SM7125) (8nm) |
| CPU | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 512 (650MHz) | Qualcomm Adreno 618 (750MHz) |
| Performance (benchmark) | AnTuTu: 124039 (v7) Geekbench: 5169 (v4.4) GFXBench: 7.6fps (ES 3.1 onscreen) | AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| RAM memory | 6GB LPDDR4 | 6GB LPDDR4X |
| Internal storage | 64GB (51GB available) eMMC 5.1 | 128GB (106GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 400/75 Mbps | 800/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat13 VoLTE Global version; LTE (1, 3, 5, 7, 8, 20) TD-LTE (40) America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 28) TD-LTE (38, 41) | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat13 VoLTE Global version; LTE (1, 3, 5, 7, 8, 20) TD-LTE (40) America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 28) TD-LTE (38, 41) | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 5MP depth f/2.4 | (quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4 |
| Main camera resolution | 4000x3000 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 27mm (lens) | 26mm (lens) |
| Sensor size | 1/2.9" inches | 1/2" inches |
| Pixel size | 1.25µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | 1080p@30/60fps Sony IMX486 sensor | 4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion) |
📸 Front camera | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| Front camera (secondary) | 13 megapixels | 16 megapixels |
| Front camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.5 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/3.1" inches | 1/3.06" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| Loudspeaker | Supported NXP amplifier | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 5020 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 18W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 45 hours (1.9 days) | feature not registered |
| Standby | 833.3 hours (34.7 days) | feature not registered |
➕ Other features | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Blue, Titanium • Touch glove display | • Colors: Aurora Blue, Glacier White, Interstellar Black |
☢️ Radiation rate | ||
| Asus Zenfone Max Pro M2 (ZB631KL 64GB/6GB) | Redmi Note 9S (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.96W/kg (head), 0.4W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.72W/kg (head), 0.98W/kg (body) |