BLU Bold N3 vs Xiaomi Redmi K40
BLU Bold N3
Xiaomi Redmi K40
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 2, 4, 5, 12, 13, 17, 25, 26, 41, 66, 71LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
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5G network5G band 2, 5, 25, 41, 66, 71, 77 SA/NSA/Sub65G 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 speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A (CA)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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Oficially announced2023-072021-02
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Status2023-072021-03
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Design
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BuildPlastic, glassGlass, Metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.2 mm163.7 mm
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Width74.7 mm76.4 mm
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Thickness8.8 mm7.8 mm
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Weight180 g196 g
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ColorsGreenAurora, Black, White
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Display
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Display typeAMOLEDSuper AMOLED
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Physical size6.78 inches6.67 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density388 ppi395 ppi
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Display colors1677721616777216
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Protection3D curved glass screenScratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
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Display features120Hz120Hz, 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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CPUDual-core 2.6 GHz Cortex-A78Single-core 3.2 GHz Kryo 585
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CPU(second)Hexa-core 2.0 GHz Cortex-A55Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.80 GHz Kryo 585
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Chipset-Qualcomm SM8250-AC Snapdragon 870 5G
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GPU-Adreno 650
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Memory RAM8 GB6, 8, 12 GB
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Internal storage256 GB128, 256 GB
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Memory cardNoNo
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StorageUFS 3.1UFS 3.1
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OS
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OSAndroid 13Android 11, MIUI 12
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 50 MP, 1/1.55" , 1.0 µm(wide) , 48 MP, 1/2" , 0.8 µm, f/1.8 , 26 mm
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(ultrawide) , 8 MP, f/2.2 , 112˚ , 1/4" , 1.12 µm(ultrawide) , 8 MP, f/2.2 , 119˚
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(macro) , 2 MP, f/2.4 , 1/5" , 1.75 µm(macro) , 5 MP, 1/5.0" , 1.12 µm, 50 mm
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Primary camera resolution8120 x 6180 pixels8000 x 6000 pixels
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Primary camera video4K@30fps, 1080p@30fps4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
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Primary camera flashdual-LED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocusAutofocus, 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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Selfie camera
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Selfie camera typeDualSingle
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Selfie camera(wide) , 16 MP(wide) , 20 MP, 1/3.4" , 0.8 µm
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(depth) , 2 MP
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Selfie camera resolution4608 x 3456 pixels5184 x 3880 pixels
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Selfie camera featuresFace unlock, face detectionFace unlock, HDR
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Selfie camera video4K@30fps, 1080p@30fps1080p@30fps, 720p@120fps
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioFM RadioNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11axWi-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 BandYesYes
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.2v5.1
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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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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, 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-PoLi-Po
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Battery capacity4700 mAh4520 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 66W (100% in 39 min)Quick Charge 3.0 (100% in 52 min)
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Tests and performance
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Antutu550796 (v9)673599 (v8)
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Geekbench(single-core)970 (v5.2)928 (v5.2)
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Geekbench(multi-core)2461 (v5.2)3260 (v5.2)
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Cost
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Price250 USD470 USD