vivo iQOO 3 5G vs vivo iQOO Z5x

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PHONES
Phone Names vivo iQOO 3 5G vivo iQOO Z5x
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 34, 38, 39, 40, 411, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G bands1, 3, 41, 77, 78, 79 SA/NSA - China1, 3, 28, 41, 77, 78 SA/NSA
SpeedHSPA, LTE, 5G (3.3 Gbps DL)HSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
 41, 77, 78 - IndiaCDMA2000 1x
Launch
Announced2020, February 25. Released 2020, March 042021, October 20
StatusDiscontinuedAvailable. Released 2021, November 01
Body
BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frameGlass front, plastic frame, plastic back
Dimensions158.5 x 74.9 x 9.2 mm (6.24 x 2.95 x 0.36 in)164 x 75.3 x 8.5 mm (6.46 x 2.96 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight214.5 g (7.58 oz)189 g (6.67 oz)
Display
ProtectionCorning Gorilla Glass 6-
Resolution1080 x 2400 pixels, 20:9 ratio (~409 ppi density)1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
Size6.44 inches, 100.1 cm2 (~84.3% screen-to-body ratio)6.58 inches, 104.3 cm2 (~84.5% screen-to-body ratio)
TypeSuper AMOLED, HDR10+, 800 nits (typ)IPS LCD, 120Hz
Platform
CPUOcta-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
ChipsetQualcomm SM8250 Snapdragon 865 5G (7 nm+)Mediatek Dimensity 900 (6 nm)
GPUAdreno 650Mali-G68 MC4
OSAndroid 10, iQOO UI 1.0Android 11, OriginOS 1.0 for iQOO
Memory
Card slotNoNo
Internal128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
 UFS 3.1-
Main Camera
Dual-50 MP, f/1.8, 26mm (wide), PDAF 2 MP (macro)
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Quad48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 13 MP, f/2.5, 50mm (telephoto), PDAF, 2x optical zoom 13 MP, f/2.2, 120˚, 16mm (ultrawide), AF Auxiliary lens-
Single-8 MP, f/2.0, (wide)
Video4K@30/60fps, 1080p@30fps; gyro-EIS4K@30fps, 1080p@30/60fps, gyro-EIS
Selfie camera
FeaturesHDR-
Single16 MP, f/2.5, (wide)8 MP, f/2.0, (wide)
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
 32-bit/192kHz audio -
Comms
Bluetooth5.1, A2DP, LE, aptX HD5.2, A2DP, LE, aptX HD
NFCYes (market/region dependent)No
PositioningGPS, GLONASS, BDS, GALILEOGPS, GLONASS, GALILEO, BDS, QZSS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging55W wired, 50% in 15 min44W wired, 70% in 38 min
Type4400 mAh5000 mAh
Misc
ColorsVolcano Orange, Tornado Black, Quantum SilverBlack, Orange, Silver
ModelsV1955A, I1927, I1928-
PriceAbout 480 EURAbout 220 EUR
SAR1.19 W/kg (head)     0.59 W/kg (body)-
Tests
Battery life Endurance rating 118h -
Camera Photo / Video-
Display Contrast ratio: Infinite (nominal)-
Loudspeaker -26.3 LUFS (Good) -
Performance AnTuTu: 575601 (v8) GeekBench: 13325 (v4.4), 3402 (v5.1) GFXBench: 42fps (ES 3.1 onscreen)-
OUR TESTS
Battery (old)Endurance rating 118h-
CameraPhoto / Video-
Display848 nits max brightness (measured)-
Loudspeaker-26.3 LUFS (Good)-
PerformanceAnTuTu: 575601 (v8) GeekBench: 13325 (v4.4), 3402 (v5.1) GFXBench: 42fps (ES 3.1 onscreen)-