Asus ROG Phone 3 ZS661KS vs Ulefone X

Asus ROG Phone 3 ZS661KS

Ulefone X

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100 - A version; HSDPA 850, 900, 1700(AWS), 1900, 2100 - B version

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 71 - A version; LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 34, 38, 39, 40, 41 - B version

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800)
5G network

5G band 1, 2, 3, 5, 28, 41, 66, 71, 77, 78, 79; SA/NSA - A version; 5G band 41, 77, 78, 79 SA/NSA - B version

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HSDPA speed

42.2 Mbps

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HSUPA speed

5.76 Mbps

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LTE speed

LTE-A, (6CA) Cat20, 2000 Mbps download, 150 Mbps upload

LTE, Cat7 301 Mbps download, 102 Mbps upload
5G speed

4.4 Gbps download

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GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame

Polycarbonate
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM/Nano-SIM(microSD))
Height

171 mm

150.93 mm
Width

78 mm

73.41 mm
Thickness

9.9 mm

9.05 mm
Weight

240 g

217 g
Build features

RGB light panel (on the back), Pressure sensitive zones (Gaming triggers)

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Colors

Black

Black, White

Main camera
Camera type

Triple

Dual
Main camera

64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm

13 MP, f/2.2
13 MP, f/2.4 , 11 mm

5 MP
5 MP, f/2.0
Interpolated resolution

-

16 MP
Primary camera resolution

-

4160 x 3120 pixels
Primary camera video

8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS

1080p@30fps
Primary camera flash

LED flash

dual-LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

HDR, Panorama

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ad

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHz
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

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Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 3.1 (side), Type-C 2.0 (bottom)

microUSB 2.0
USB connector

Accessory connector

-
USB On-The-Go

-

Yes
Bluetooth

v5.1

v4.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

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Bluetooth AptX

aptX HD, aptX Adaptive

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NFC

Yes

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GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

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Beidou

-

Yes
BDS

Yes

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QZSS

Yes

-
GNSS

Yes

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