Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) vs Xiaomi Redmi 9A (32GB/2GB)
Side by side comparison between Samsung Galaxy S23 Ultra vs Xiaomi Redmi 9A phones, differences, pros, cons and full specifications. What's the better?
,
6.8"
AMOLED
AMOLED
1440x3088
200
MP
MP
12mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.53"
IPS
IPS
720x1600
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB)
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!
14 Common items in both devices |
16 million |
LED flash |
PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
HDR photo/video on both cameras / HDR photo on both cameras |
Capacitive |
Multitouch |
Accelerometer |
+7 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 S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
Model | Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) |
Other model names | Galaxy S23 Ultra 5G (SM-S918B/Dual-SIM) | Xiaomi Redmi 9A M2006C3LG, M2006C3LI |
Country or region available | (Global, International) | (Global, International) |
Brand | Samsung | Xiaomi |
Release date | 2/17/2023, Announced: 2/1/2023 | 7/7/2020, Announced: 6/30/2020 |
Depth | 8.9 millimeters (0.35 inches) | 9 millimeters (0.35 inches) |
Size (width x height) | 78.1 x 163.4 millimeters (3.07 x 6.43 in) | 77.07 x 164.9 millimeters (3.03 x 6.49 in) |
Weight | 234 grams (8.19 ounces) | 194 grams (6.79 ounces) |
Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass Victus 2 | Plastic body, glass front |
Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
Display type | Dynamic AMOLED | TFT IPS LCD |
Screen size | 6.8" inches | 6.53" inches |
Screen-to-body ratio | ~89.5% (screen-to-body ratio) | ~81% (screen-to-body ratio) |
Display resolution | 1440x3088 pixels | 720x1600 pixels (20:9) |
Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
Pixel density (dot pitch) | 501 PPI | 269 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass Victus 2 | Not supported |
Refresh rate | 120Hz | 60Hz |
Display features | 1750nits[peak] HDR10+ Always-On Display | 400nits[typ] |
🤖 Operating System | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
System version | Android 13 | Android 10 |
Firmware update | Android 14 | feature not registered |
User Interface | One UI 5.1 / 6.0 | feature not registered |
⚙️ Processor | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
Chipset | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm) | 64bit: MediaTek Helio G25 (MT6762G) (12nm) |
CPU | Octa-core, 3 processors: 1x 3.36GHz ARM Cortex-X3 (Single-core) 4x 2.8GHz ARM Cortex-A710/A715 (Quad-core) 3x 2GHz ARM Cortex-A510 (Triple-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
GPU graphical controller | Qualcomm Adreno 740 | PowerVR GE8320 MP2 (650MHz) |
Performance (benchmark) | AnTuTu: 1241613 (v9) Geekbench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen) | AnTuTu: 84175 (v8) |
💽 Memory and storage | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
RAM memory | 8GB LPDDR5X | 2GB LPDDR4X |
Internal storage | 256GB (218GB available) UFS 4.0 | 32GB (20GB available) eMMC 5.1 |
External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 3000/1920 Mbps | 300/50 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE | LTE Cat6 (1, 2 ,3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 71) | Not supported |
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, Sub6 | 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 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | Not supported |
Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE | Not supported |
Secondary 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, Sub6 | GPRS, EDGE |
📷 Camera | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
Back camera (main camera) | (quad camera) 200 megapixels 10MP periscope telephoto f/4.9230mm1/3.52"1.12µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.52"1.12µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmPDAFSuper-Steady | 13 megapixels |
Main camera resolution | 20000x10000 pixels | 4128x3096 pixels |
Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.7 (aperture) | f/2.2 (aperture) |
Focal length | 24mm lens | 28mm lens |
Sensor size | 1/1.3" inches | feature not registered |
Pixel size | 0.6µm pixel | 1µm pixel |
Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
Zoom | Digital and optical zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Supported | Not supported |
HDR | HDR photo/video on both cameras | HDR photo on both cameras |
Camera extras | 8K@24/30fps 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) HDR10+ | feature not registered |
📸 Front camera | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
Front camera (secondary) | 12 megapixels | 5 megapixels |
Front camera resolution | 4000x3000 pixels | 2560x1920 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 | feature not registered | feature not registered |
Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
Active noise cancellation | 2 microphones or more | 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, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
USB | USB 3.2 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
Audio output | Type-C reversible connector | 3.5mm jack |
TV output | USB Type-C (reversible) | Micro-B USB SlimPort |
Bluetooth | 5.3 + A2DP/LE | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
DLNA | Supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
NFC | Supported | Not supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Face unlock Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 5000 mAh | 5000 mAh |
Charger, watts | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 10W (5V/2A) Wired charging |
Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | Not supported |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
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: Phantom Black, Cream, Green, Lavender, Graphite, Sky Blue, Lime, Red • Samsung DeX • Samsung Pay (Visa, MasterCard) • S Pen (Stylus Pen): Bluetooth 2.8ms latency | • Colors: Carbon Gray, Sky Blue, Ocean Green • MIUI 12 |
☢️ Radiation rate | ||
Galaxy S23 Ultra (SM-S918B/DS 256GB/8GB) | Redmi 9A (32GB/2GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.98W/kg (head), 1.1W/kg (body) | 0.9W/kg (head), 0.65W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.963W/kg (head), 1.398W/kg (body) | 0.4W/kg (head), 1.19W/kg (body) |