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Device 1

Device 2

Galaxy S21 Ultra Redmi Note 17 Pro Max
LAUNCH DATE
Announced January 29, 2021 2026, August 27
Released 2021-01-29 2026, August 28
Status Available Available
NETWORK
2G Bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM: B2/B3/B5/B8
3G Bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100; CDMA2000 1xEV-DO WCDMA: B1/B2/B4/B5/B8
4G LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G998U1; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G998B LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/ B26/B28/B32/B66; LTE TDD: B38/B40/B41/B42/B48
5G 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1; 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B n1/2/3/5/7/8/12/20/26/28/38/40/41/48/66/77/78
Speed LTE, 5G LTE, 5G
Technology 5G/4G/LTE/GSM 5G / 4G / 3G / 2G
BODY
Build Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame Glass front, glass back, plastic frame
Dimensions 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) 163.44 x 78.27 x 8.65 mm
IP Rating IP68 dust/water resistant (up to 1.5m for 30 min) IP66, IP68, IP69, IP69K
SIM Nano-SIM + eSIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time) Dual SIM (nano SIM + nano SIM or nano SIM + eSIM or eSIM + eSIM)
Weight 227 g (Sub6), 229 g (mmWave) (8.01 oz) 229.5g
DISPLAY
Brightness 1500 nits (peak) Brightness: 3500 nits (UHBM), 2000 nits (HBM), 1060 nits (typical)
Color — DCI- P3 wide color gamut
Features — Sunlight display; 3840Hz PWM dimming; HDR10+
Protection Corning Gorilla Glass Victus Corning Gorilla Glass Victus 2
Refresh Rate 120Hz Up to 120Hz
Resolution 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Screen-to-body ~89.8% ~89.5%
Size 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio) 6.83"
Type Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) AMOLED
PLATFORM
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China Octa-core, up to 2.6 GHz
Chipset Exynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China Snapdragon 6 Gen 5
GPU Mali-G78 MP14 - International Adreno 660 - USA/China Adreno
OS Android 11, up to 4 major Android upgrades, One UI 6.1 Xiaomi HyperOS 3
MEMORY
Card slot No No
Internal 128GB, 256GB, 512GB 128GB / 256GB / 512GB
RAM 8GB RAM, 12GB RAM,16GB RAM, 8 GB / 12 GB
Storage Type — UFS 4.1 (256GB / 512GB); UFS 2.2 (128GB); UFS 4.1: up to 2,100 MB/s; UFS 2.2: up to 1,000 MB/s
Storage/RAM variants 128GB, 256GB, 512GB; 8GB RAM, 12GB RAM,16GB RAM, 128GB / 256GB / 512GB; 8 GB / 12 GB RAM
MAIN CAMERA
Features Laser AF, LED flash, auto-HDR, panorama LED Flash, Panorama, HDR
MAIN CAMERA 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2 50MP main camera, f/1.5; 8MP ultra-wide camera, f/2.2
Video 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS 4K at 30 fps; 1080p at 30/60 fps; 720p at 30 fps
SELFIE CAMERA
Features HDR HDR
Selfie camera 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF 32MP front camera, f/2.2
Video 4K@30/60fps, 1080p@30fps 4K at 30 fps; 1080p at 30/60 fps; 720p at 30 fps
SOUND
3.5mm jack No No
Dolby Atmos — Yes
Loudspeaker Yes, with stereo speakers Dual speakers
COMMUNICATION
Bluetooth 5.2, A2DP, LE 6.0
NFC Yes Yes
Positioning GPS, GLONASS, BDS, GALILEO GPS, GLONASS, Galileo, BDS, QZSS
Radio FM radio (Snapdragon model only; market/operator dependent) No
USB USB Type-C 3.2, OTG USB-C
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct Wi-Fi Protocol: Wi-Fi 6, Wi-Fi 5, Wi-Fi 4, 802.11а/b/g
FEATURES
Ai — AI Erase Pro, AI Glare Removal, AI Image Expansion, AI Sky, AI Bokeh, AI Cutouts, AI Image Enhancement, AI Beautify, AI Film; Circle to Search with Google, Google Gemini
Sensors Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer Proximity sensor; Ambient light sensor; Accelerometer; Electronic compass; IR blaster; Gyroscope
BATTERY
Capacity 5000 mAh 10000mAh(typ)
Charging Type 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless 100W HyperCharge; Supports 27W wired reverse charging
Type Li-Ion 5000 mAh Silicon-carbon
ADDITIONAL INFORMATION
Colors Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy Black; Green; Purple
Compatibility — Global specification set
Launch Price (USD) $399.98 (reference only — see Price in Nigeria above for the actual retail price) —
Models SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980 Redmi Note 17 Pro Max 5G, 2609FRA74G
Price in Nigeria ₦612,000 ₦620,000
SECURITY
Security Biometric security: Fingerprint (under display, ultrasonic). In-screen fingerprint sensor; AI face unlock