
Samsung Galaxy A51 vs Xiaomi Redmi Note 9 Pro Max vs Xiaomi Redmi Note 9 Pro



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Last Updated: Fri, 3 Jul'20
General
- Bluetooth5.0, A2DP, LE5.0, A2DP, LE5.0, A2DP, LE
Design
- Height6.24 inches6.52 inches6.53 inches
- Width2.90 inches3.02 inches3.02 inches
- Thickness0.31 inches0.35 inches0.35 inches
- Weight172 g209 g209 g
- ColorPrism Crush Black, Prism Crush White, Prism Crush BlueAurora Blue, Glacier White, Interstellar BlackAurora Blue, Glacier White, Interstellar Black
- BuildGlass front (Gorilla Glass 3), plastic back, plastic frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Display
- Screen Size6.5 inches6.67 inches6.67 inches
- Display TypeSuper AMOLED capacitive touchscreenIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
- Display Resolution1080 x 2400 pixels1080 x 2400 pixels1080 x 2400 pixels
- Pixel Density405 ppi395 ppi395 ppi
- Aspect Ratio20:920:0920:09
- ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 5Corning Gorilla Glass 5
- Screen to Body Ratio87.4%84.60%84.50%
Performance
- OSAndroid 10, One UI 2.1Android 10.0 MIUI 11Android 10.0 MIUI 11
- GPUMali-G72 MP3Adreno 618Adreno 618
- Chipset GPExynos 9611 (10nm)Qualcomm SM7125 Snapdragon 720G (8 nm)Qualcomm SM7125 Snapdragon 720G (8 nm)
- CPUOcta-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)Octa-core (2x2.3 GHz Kryo 465 Gold and 6x1.8 GHz Kryo 465 Silver)Octa-core (2x2.3 GHz Kryo 465 Gold and 6x1.8 GHz Kryo 465 Silver)
Memory & Storage
- RAM/Internal Storage128GB 6GB RAM, 128GB 8GB RAM64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM64GB 4GB RAM, 128GB 6GB RAM, 128GB 4GB RAM
- Expandable MemorymicroSDXC (dedicated slot)microSDXC (dedicated slot)microSDXC (dedicated slot)
Back Camera
- Quad Camera48 MP, f/2.0, 26mm (wide), 1/2.0, 0.8 micron|12 MP, f/2.2, 12mm (ultrawide)|5 MP, f/2.4, 25mm (macro), 1/5.0, 1.12 micron|5 MP, f/2.2, (depth)64 MP, f/1.9, (wide), 1/1.72", 0.8micron, PDAF | 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12micron | 5 MP, f/2.4, (macro), 1.12micron | 2 MP, f/2.4, (depth)48 MP, f/1.8, (wide), 1/2.25", 0.8micron, PDAF | 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12micron | 5 MP, f/2.4, (macro), 1.12micron | 2 MP, f/2.4, (depth)
- AutofocusPDAFPDAFPDAF
- Back Camera Video4K30fps, 1080p30/120fps; gyro-EIS4K30fps, 1080p30/60/120fps, 720p960fps, gyro-EIS4K30fps, 1080p30/60/120fps, 720p960fps, gyro-EIS
- Back Camera FeaturesLED flash, panorama, HDRLED flash, HDR, panoramaLED flash, HDR, panorama
Front Camera
- Single Camera32 MP, f/2.2, 26mm (wide), 1/2.8, 0.8 micron32 MP, (wide), 1/2.8, 0.8 micron16 MP, f/2.5, (wide), 1.0micron
- Front Camera Video1080p30fps1080p30fps1080p30fps
- Front Camera FeaturesHDRHDR, panoramaHDR, panorama
Sound
- HeadPhone JackYesYesYes
- LoudspeakerYesYesYes
- Audio FeaturesDolby Atmos
Battery
- Battery Capacity4000 mAh battery5020 mAh battery5020 mAh battery
- User ReplaceableNon-removableNon-removableNon-removable
- Talk TimeUp to 32 (Hours 4G LTE)
- Music TimeUp to 87 (Hours)
- ChargingFast charging 15WFast charging 33W, 50% in 30 minFast charging 18W
- Battery TypeLi-PoLi-PoLi-Po
Communications
- WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
- GPSYes, with A-GPS, GLONASS, GALILEO, BDSYes, with A-GPS, GLONASS, GALILEO, BDS, NavICYes, with A-GPS, GLONASS, GALILEO, BDS, NavIC
- RadioFM radioFM radio, recordingFM radio, recording
- USB2.0, Type-C 1.0 reversible connector, USB On-The-Go2.0, Type-C 1.0 reversible connector2.0, Type-C 1.0 reversible connector
- NFCYesNoNo
- SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
- Network SupportGSM / HSPA / LTEGSM / HSPA / LTEGSM / HSPA / LTE
Miscellaneous Features
- SensorsFingerprint (under display, Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Virtual Proximity SensingFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
- Water ResistantSplash proofWater-repellent coating
Launch
- Announced On2019, December2020, March 122020, March 12
- StatusAvailable. Released 2020, January 29Available. Released 2020, May 12Available. Released 2020, March 17