Xiaomi 12X (128GB) vs Samsung Galaxy Quantum 2
Side by side comparison between Xiaomi 12X vs Samsung Galaxy Quantum 2 phones, differences, pros, cons and full specifications. What's the better?
,
6.28"
AMOLED
AMOLED
1080x2400
50
MP
MP
32mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1440x3200
64
MP
MP
10mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 12X (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!
15 Advantages 
9 Advantages | 32 Common items in both devices |
| 128GB (103GB available) / 128GB (102GB available) |
| 176 grams (6.16 ounces) |
| 120Hz |
| Only digital zoom |
| PDAF: phase detection autofocus |
| OIS: Optical stabilization |
| BSI sensor |
| +25 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 | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| Model | 12X (128GB) | Galaxy Quantum 2 |
| Other model names | Xiaomi 12X 2112123AG (Global), 2112123AC (China) | Galaxy Quantum 2 5G (SM-A826S), 갤럭시 퀀텀2 (SKT) |
| Country or region available |  (Global, International) |  South Korea |
| Brand | Xiaomi | Samsung |
| Release date | 12/31/2021, Announced: 12/28/2021 | 4/23/2021, Announced: 4/13/2021 |
| Depth | 8.2 millimeters (0.32 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 69.9 x 152.7 millimeters (2.75 x 6.01 in) | 73.8 x 161.9 millimeters (2.91 x 6.37 in) |
| Weight | 176 grams (6.16 ounces) | 176 grams (6.16 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| Display type | AMOLED | Dynamic AMOLED |
| Screen size | 6.28" inches | 6.7" inches |
| Screen-to-body ratio | ~89.2% (screen-to-body ratio) | ~90.7% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 419 PPI | 524 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Not supported |
| Refresh rate | 120Hz | 120Hz |
| Display features | 1100nits[peak] Dolby Vision/HDR10+ DCI-P3 Touch rate: 480Hz | 1200nits[peak] Always-On Display |
🤖 Operating System | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| System version | Android 11 | Android 11 |
| Firmware update | Android 12 | Android 13 |
| User Interface | MIUI 13 | One UI 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| Chipset | 64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm) | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) |
| CPU | Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 650 (670MHz) | Qualcomm Adreno 640 (672MHz) |
| Performance (benchmark) | AnTuTu: 598003 (v8), 690298 (v9) Geekbench: 3168 (v5.1) GFXBench: 47fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| RAM memory | 8GB LPDDR5 | 6GB LPDDR4X |
| Internal storage | 128GB (103GB available) UFS 3.1 | 128GB (102GB available) UFS 3.0 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G, 5G |
| 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41, 42, 48) China version: LTE (1, 2, 3, 4, 5, 7, 8, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) | LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) China version: SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78) | SA/NSA/Sub6 (78) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41, 42, 48) China version: LTE (1, 2, 3, 4, 5, 7, 8, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| Back camera (main camera) | (triple camera) 50 megapixels 13MP ultrawide f/2.412mm123°1/3.06"1.12µm 5MP telephoto macro f/2.450mmAF | (triple camera) 64 megapixels 12MP ultrawide f/2.2123°1.12µm 5MP macro f/2.4 |
| Main camera resolution | 8160x6120 pixels | 10120x6328 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/1.56" inches | 1/1.72" inches |
| Pixel size | 1µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical 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/video on both cameras | HDR photo/video on both cameras |
| Camera extras | 4K@60fps 1080p@960fps Sony IMX766 | 4K@30fps 1080p@30/60fps 1080p@240fps (slow motion) |
📸 Front camera | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| Front camera (secondary) | 32 megapixels | 10 megapixels |
| Front camera resolution | 6528x4896 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos Tuned by Harman Kardon | Stereo sound |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| 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 | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.2 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO 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, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4500 mAh | 4500 mAh |
| Charger, watts | 67W Wired fast charging Quick Charge 4 USB Power Delivery 3.0 | 25W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| 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: Gray, Blue, Purple • LiquidCool | • Colors: Black, White, Violet |
☢️ Radiation rate | ||
| Xiaomi 12X (128GB) | Galaxy Quantum 2 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.59W/kg (head), 1W/kg (body) | feature not registered |