Samsung Galaxy Quantum 5 (SM-A556S) vs Xiaomi Mi 9T (128GB)
Side by side comparison between Samsung Galaxy Quantum 5 vs Xiaomi Mi 9T phones, differences, pros, cons and full specifications. What's the better?
,
6.6"
AMOLED
AMOLED
1080x2340
50
MP
MP
32mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Quantum 5 (SM-A556S)
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!
23 Advantages 
8 Advantages | 26 Common items in both devices |
| 128GB (109GB available) |
| Aluminum frame, glass front/back |
| 16 million |
| 1080x2340 pixels |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| f/1.8 (aperture) |
| +19 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 | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| Change model | ||
| Model | Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) |
| Other model names | 갤럭시 퀀텀5 사업자향 (SKT), Galaxy Quantum5 | Xiaomi Mi 9T (Global version) M1903F10G, Xiaomi Redmi K20 |
| Country or region available |  South Korea |     (Global, International), (Europe), Hong Kong, Taiwan |
| Brand | Samsung | Xiaomi |
| Release date | 3/15/2024, Announced: 3/11/2024 | 6/1/2019 |
| Depth | 8.2 millimeters (0.32 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 77.4 x 161.1 millimeters (3.05 x 6.34 in) | 74.3 x 156.7 millimeters (2.93 x 6.17 in) |
| Weight | 213 grams (7.46 ounces) | 191 grams (6.69 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Corning Gorilla Glass | Aluminum frame, glass front/back |
| Protection against water and others | IP67 certified: dust proof and waterproof over 1 meter and 30min | Not supported |
📲 Display | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| Display type | Super AMOLED | AMOLED |
| Screen size | 6.6" inches | 6.39" inches |
| Screen-to-body ratio | ~85.8% (screen-to-body ratio) | ~86.1% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 390 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 5 |
| Refresh rate | 120Hz | 60Hz |
| Display features | HDR10+ Always-On Display | 600nits[typ] HDR10 |
🤖 Operating System | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| System version | Android 14 | Android 9.0 Pie |
| Firmware update | Android 15 | Android 10 |
| User Interface | One UI 6.1 / 7.0 | feature not registered |
⚙️ Processor | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| Chipset | 64bit: Samsung Exynos 1480 (4nm) | 64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm) |
| CPU | Octa-core, 2 processors: 4x 2.75GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) |
| GPU graphical controller | Samsung Xclipse 530 | Qualcomm Adreno 618 (610MHz) |
| Performance (benchmark) | AnTuTu: 635598 (v9), 726158 (v10) Geekbench: 3259 (v5), 3350 (v6) | feature not registered |
💽 Memory and storage | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| RAM memory | 8GB LPDDR5 | 6GB LPDDR4X |
| Internal storage | 128GB (109GB available) UFS 3.1 | 128GB (109GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 800/150 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE Cat15/13 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (Bands 38, 40) VoLTE |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| Back camera (main camera) | (triple camera) 50 megapixels 12MP ultrawide f/2.2123°1/3.06"1.12µm 5MP macro f/2.4 | (triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm |
| Main camera resolution | 8160x6120 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | 1/1.56" inches | 1/2" 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 | EIS: Digital stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) | feature not registered |
📸 Front camera | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| Front camera (secondary) | 32 megapixels | 20 megapixels *Motorized pop-up camera (slider) |
| Front camera resolution | 6528x4896 pixels | 5184x3840 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2.74" inches | feature not registered |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| Loudspeaker | Stereo sound | Supported |
| Active noise cancellation | 3 microphones | 2 microphones or more |
| Radio | Not supported | 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 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| 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 | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.3 + 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 | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4000 mAh |
| Charger, watts | 25W Wired fast charging | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (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: Navy, Iceblue, Lilac, Lemon | • Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+ |
☢️ Radiation rate | ||
| Galaxy Quantum 5 (SM-A556S) | Xiaomi Mi 9T (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.629W/kg (head), 1.11W/kg (body) | 1.34W/kg (head), 1.51W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |