Samsung Galaxy S23 Ultra vs Xiaomi Redmi K40 Pro+
Samsung Galaxy S23 Ultra
Xiaomi Redmi K40 Pro+
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMAGSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - USALTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
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5G network5G band 1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA; SA/NSA/Sub6 - global version5G band 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed11.5 Mbps5.76 Mbps
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LTE speedLTE-A (7CA)LTE-A, 1174 Mbps download, 210 Mbps upload
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GPRSYesYes
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EDGEYesClass 8
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Availability
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Status2023-022021-03
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Oficially announced2023-022021-02
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Design
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BuildGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frameGlass, Metal
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SIMNano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.4 mm163.7 mm
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Width78.1 mm76.4 mm
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Thickness8.9 mm7.8 mm
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Weight234 g196 g
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StylusYes-
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PaymentSamsung Pay (Visa, MasterCard certified)-
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WaterproofIP68 (1.5m and 30 mins)-
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Splash resistant-IP53
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Dust proofIP68IP53
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Build featuresArmor aluminum frame with tougher drop and scratch resistance-
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ColorsBlack, Blue, Cream, Green, Graphite, Lavender, Lime, Red, BMW M EditionAurora, Black, White
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Display
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Display typeDynamic AMOLED 2XSuper AMOLED
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Physical size6.8 inches6.67 inches
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Resolution1440 x 3088 pixels1080 x 2400 pixels
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Pixel density500 ppi395 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla Glass Victus 2Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
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Display features120Hz, HDR10+, 1750 nits (peak), Always-on display120Hz, HDR10+, 1300 nits (peak), sunscreen 3.0, night light screen
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.36 GHz Cortex-X3Single-core 2.84 GHz Kryo 680
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CPU(second)dual-core 2.8 GHz Cortex-A715Triple-core 2.42 GHz Kryo 680
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CPU(third)Dual-core 2.8 GHz Cortex-A710Quad-core 1.80 GHz Kryo 680
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CPU(fourth)Triple-core 2.0 GHz Cortex-A510
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ChipsetQualcomm SM8550-AC Snapdragon 8 Gen 2Qualcomm SM8350 Snapdragon 888
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GPUAdreno 740Adreno 660
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Memory RAM8, 12 GB12 GB
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Internal storage256, 512, 1024 GB256 GB
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Memory cardNoNo
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StorageUFS 4.0UFS 3.1
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OS
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OSAndroid 13, One UI 5.1Android 11, MIUI 12
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Main camera
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Camera typeQuadTriple
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Main camera(wide) , 200 MP, f/1.7 , 85˚ , 24 mm, 1/1.3" , 0.6 µm, 100x digital zoom(wide) , 108 MP, f/1.8 , 26 mm, 1/1.52" , 0.7 µm
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(periscope telephoto) , 10 MP, f/4.9 , 230 mm, 1/3.52" , 1.12 µm, 10x optical zoom(ultrawide) , 8 MP, f/2.2 , 119˚
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(telephoto) , 10 MP, f/2.4 , 70 mm, 1/3.52" , 1.12 µm, 3x optical zoom(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm
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(ultrawide) , 12 MP, f/2.2 , 120˚ , 13 mm, 1/2.55" , 1.4 µm
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Primary camera resolution-9280 x 6920 pixels
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Primary camera video8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps, HDR10+, stereo sound rec., gyro-EIS8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, optical zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus, expert RAW, astro hyperlapse, adaptive VDISAutofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
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DxOMark photo-113
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DxOMark zoom-42
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DxOMark video-102
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DxOMark camera score-108
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Selfie camera
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Selfie camera type-Single
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Selfie camera(wide) , 12 MP, f/2.2 , 80˚ , 26 mm(wide) , 20 MP, 1/3.4" , 0.8 µm
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Selfie camera resolution-5184 x 3880 pixels
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Selfie camera featuresAutofocus, HDR, phase detection autofocusFace unlock, HDR
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Selfie camera video4K@30/60fps, 1080p@30fps1080p@30fps, 720p@120fps
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Sound
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3.5mm jackNoNo
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LoudspeakerYes, with stereo speakersYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 6EWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual Band-Yes
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WiFi Tri-BandYes-
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USBType-C 3.2Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.3v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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NFCYesYes
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GPSYes, with A-GPSYes, with dual-band A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BDSYesYes
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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximityAccelerometer, barometer, color spectrum, compass, fingerprint, gyroscope, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity5000 mAh4520 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 45W (65% in 30 min)Quick Charge 3.0 (100% in 52 min)
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Wireless reverse chargingYes, 4.5W-
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Fast wireless chargingQi/PMA, 15W-
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Tests and performance
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Antutu1277468 (v9)727466 (v8)
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Geekbench(single-core)1480 (v5.2)-
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Geekbench(multi-core)4584 (v5.2)-
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SAR value
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SAR(head)1.12 W/kg-
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SAR(body)0.92 W/kg-
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SAR EU(head)0.96 W/kg-
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SAR EU(body)1.40 W/kg-
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Cost
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Price1115 USD770 USD
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