Device Comparison
| 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 |