Sources and limitations

Listed specifications are reference information, not results of TechMyte testing. Rumored details may change, and hardware or supported features can differ by region. Confirm the exact model with its manufacturer before buying.

Battery capacity does not establish tested endurance; megapixel count does not establish camera quality. Use the comparison tool to identify differences, then check the features that matter to your use.

Report an error with this specification sheet

Technical data sheet

Full Specifications

Network

Technology	GSM / HSPA / LTE / 5G
2G bands	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42, 66
Speed	HSPA, LTE, 5G
5G bands	1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA

Launch

Announced	2024, March 18
Status	Available. Released 2024, March 19

Body

Dimensions	164.3 x 74.5 x 8.1 mm (6.47 x 2.93 x 0.32 in)
Weight	190 g or 196 g (6.70 oz)
SIM	Nano-SIM + Nano-SIM
Build	Glass front, plastic frame, silicone polymer (eco leather) back

Battery

Type	4600 mAh
Charging	100W wired, 50% in 12 min 20W wireless MagCharge Reverse wired Reverse wireless

Display

Size	6.78 inches, 109.9 cm2 (~89.8% screen-to-body ratio)
Resolution	1080 x 2436 pixels (~393 ppi density)
Protection	Corning Gorilla Glass
Type	AMOLED, 1B colors, 120Hz, 1300 nits (peak)

Platform

OS	Android 14, up to 2 major OS updates, XOS 14
Chipset	Mediatek Dimensity 7020 (6 nm)
CPU	Octa-core (2x2.2 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU	IMG BXM-8-256

Memory

Card slot	No
Internal	256GB 12GB RAM, 512GB 12GB RAM

Selfie camera

Single	32 MP, f/2.2, (wide), 1/3.1", 0.7µm
Video	1440p@30fps, 1080p@30/60fps
Features	Dual-LED flash

Sound

Loudspeaker	Yes, with stereo speakers
3.5mm jack	No

Comms

WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth	Yes
Positioning	GPS
NFC	Yes (market/region dependent)
Radio	FM radio
USB	USB Type-C 2.0, OTG
Infrared port	Yes

Features

Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Misc

Colors	Obsidian Black, Vintage Green, Racing Edition
Price	About 290 EUR
Models	X6851B

Main Camera

Features	Dual-LED flash, HDR, panorama
Triple	108 MP, f/1.8, 24mm (wide), 1/1.67", 0.64µm, PDAF, OIS 2 MP, f/2.4 2 MP, f/2.4
Video	1440p@30fps, 1080p@30/60fps

Our Tests

Performance	AnTuTu: 459546 (v10) GeekBench: 2233 (v6)
Display	1130 nits max brightness (measured)
Loudspeaker	-26.5 LUFS (Good)
Battery	Active use score 12:23h

Infinix Note 40 Pro+