Display
6specsTypeIPS LCD
Diagonal6.78 in
Resolution720 × 1576 px · 259 ppi · 19.5:9 aspect
Refresh rate120 Hz
Peak brightness700 nits
Screen-to-body82.9%
Processor & memory
5specsSilicon
ChipsetMediatek Helio G81 Ultimate12 nm process
CPUOcta-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPUMali-G52 MC2
Memory & storage
Configurations4 GB / 64 GB4 GB / 128 GB
Storage typeeMMC 5.1
Cameras
9specsRear Wide
Resolution8 MP
Apertureƒ/2
Features1/4.0" · 1.12µm · AF
Video
Recording1440p@30fps, 1080p@30fps
Camera features
FeaturesDual-LED flash · panorama
Selfie Wide
Resolution8 MP
Apertureƒ/2
Features1/4.0" · 1.12µm
Selfie video
Recording1440p@30fps, 1080p@30fps
Battery & charging
3specsCapacity5200 mAh
Wired charging15W
Reverse wireless5W
Connectivity
7specsUSBUSB Type-C 2.0, OTG
Wi-FiWi-Fi 802.11 a/b/g/n/ac, dual-band
BluetoothYes
NFCYes
PositioningGPS
NetworkGSM · HSPA · LTE
Data speedHSPA · LTE
Build & design
7specsDimensions167.7 × 78.8 × 7.7 mm
Frame materialPlastic
Back materialPlastic
Front materialGlass
Water resistanceIP64
SIMNano-SIM + Nano-SIM
ColorsShadow BlackCloudline BluePolaris TitaniumSunlike Orange
Software & updates
4specsOperating systemAndroid 16, XOS 16
AnnouncedMar 4, 2026
ReleasedMar 1, 2026
AvailabilityAvailable
Audio
3specsAudioYes
LoudspeakerYes
Headphone jackYes
Raw specs (JSON)
{
"body": {
"sim": "Nano-SIM + Nano-SIM",
"materials": {
"back": "plastic",
"frame": "plastic",
"front": "glass"
},
"dimensions": {
"depth_mm": 7.7,
"width_mm": 78.8,
"height_mm": 167.7
},
"water_resistance": "IP64"
},
"misc": {
"colors": [
"Shadow Black",
"Cloudline Blue",
"Polaris Titanium",
"Sunlike Orange"
],
"model_numbers": [
"X6840",
"X6840B"
]
},
"audio": {
"description": "Yes",
"loudspeaker": true,
"headphone_jack": true
},
"launch": {
"released_on": "2026-03",
"announced_on": "2026-03-04",
"availability": "available",
"date_precision": "day"
},
"memory": {
"variants": [
{
"ram_gb": 4,
"storage_gb": 64
},
{
"ram_gb": 4,
"storage_gb": 128
}
],
"card_slot": null,
"storage_type": "eMMC 5.1"
},
"battery": {
"charging": {
"wired_w": 15,
"reverse_w": 5,
"wireless_w": null
},
"capacity_mah": 5200
},
"cameras": {
"main": {
"video": "1440p@30fps, 1080p@30fps",
"modules": [
{
"role": "wide",
"aperture": 2,
"features": [
"1/4.0\"",
"1.12µm",
"AF"
],
"megapixels": 8
}
],
"features": [
"Dual-LED flash",
"panorama"
]
},
"selfie": {
"video": "1440p@30fps, 1080p@30fps",
"modules": [
{
"role": "wide",
"aperture": 2,
"features": [
"1/4.0\"",
"1.12µm"
],
"megapixels": 8
}
]
}
},
"display": {
"panel_type": "IPS LCD",
"protection": null,
"resolution": {
"ppi": 259,
"width_px": 720,
"height_px": 1576,
"aspect_ratio": "19.5:9"
},
"size_inches": 6.78,
"refresh_rate_hz": 120,
"peak_brightness_nits": 700,
"screen_to_body_ratio_percent": 82.9
},
"network": {
"speed": [
"HSPA",
"LTE"
],
"bands_2g": [
"GSM 850",
"GSM 900",
"GSM 1800",
"GSM 1900"
],
"bands_3g": [
"HSDPA 850",
"900",
"1700(AWS)",
"1900",
"2100"
],
"bands_4g": [
"1",
"2",
"3",
"4",
"5",
"7",
"8",
"20",
"28",
"38",
"41",
"40"
],
"bands_5g": [],
"speed_tier": 5,
"technologies": [
"GSM",
"HSPA",
"LTE"
],
"speed_highest": "LTE",
"speed_highest_label": "4G"
},
"features": {
"sensors": [
"Fingerprint (side-mounted)",
"accelerometer",
"proximity",
"compass"
]
},
"platform": {
"os": "Android 16, XOS 16",
"cpu": "Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)",
"gpu": "Mali-G52 MC2",
"chipset": {
"name": "Mediatek Helio G81 Ultimate",
"process_nm": 12
},
"cpu_short": "8-core (2x2.0GHz + 6x1.7GHz)"
},
"image_url": "https://fdn2.gsmarena.com/vv/bigpic/infinix-smart20.jpg",
"connectivity": {
"nfc": "Yes",
"usb": "USB Type-C 2.0, OTG",
"wlan": "Wi-Fi 802.11 a/b/g/n/ac, dual-band",
"radio": null,
"bluetooth": "Yes",
"positioning": [
"GPS"
]
}
}