Sony Xperia 1 IV vs UMIDIGI A9 Max

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700, 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66 - Europe; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 - USA; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 34, 38, 39, 40, 41, 46, 66 - Asia

LTE frequency band 1, 2, 3, 4, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 - Europe; 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77, 78, 260, 261 SA/NSA/Sub6/mmWave - USA; 1, 3, 5, 7, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA/Sub6 - Asia

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HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE, Cat6, 301 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame

Glass, Metal
SIM

Single SIM (Nano-SIM or eSIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)

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

165 mm

158.70 mm
Width

71 mm

74.90 mm
Thickness

8.2 mm

8.60 mm
Weight

185 g

205 g
Waterproof

IP65/IP68 (1.5m and 30 mins)

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Dust proof

IP65/IP68

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Colors

Black, Violet, White

Black, Blue, Green

Display
Display type

OLED

IPS LCD
Physical size

6.5 inches

6.3 inches
Resolution

1644 x 3840 pixels

1080 x 2340 pixels
Pixel density

643 ppi

409 ppi
Display colors

1073741824

16777216
Protection

Corning Gorilla Glass Victus

Scratch resistant, 2.5D curved glass screen, LTPS (Low Temperature PolySilicon)
Display features

120Hz, HDR BT.2020

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Main camera
Camera type

Quad

Quad
Main camera

(wide) , 12 MP, f/1.7 , 24 mm, 1/1.7" , 1.8 µm

48 MP, f/1.79 , 1/2" , 0.8 µm
(telephoto) , 12 MP, f/2.3, f/2.8 , 85/125 mm, 1/3.5" , 3.5x-5.2 optical zoom

(ultrawide) , 16 MP, 120˚
124˚ , (ultrawide) , 12 MP, f/2.2 , 16 mm, 1/2.5"

(depth) , 5 MP
TOF 3D

(macro) , 5 MP
Primary camera resolution

4032 x 3024 pixels

8000 x 6000 pixels
Primary camera video

4K@24/25/30/60/120fps HDR, 1080p@30/60/120/240fps; 5-axis gyro-EIS, OIS

1080p@30fps
Primary camera optics

Zeiss optics, Zeiss T* lens coating

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Primary camera flash

LED flash

dual-LED flash
Camera features

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical 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, Real-time eye AF, Real-time object tracking, cinematography pro, 5-axis stabilization, videography pro, live streaming

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

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 3.2

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
bluetooth LE

Yes

-
Bluetooth AptX

aptX HD, aptX Adaptive

-
NFC

Yes

-
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

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BDS

Yes

Yes
QZSS

Yes

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Features
Sensors

Accelerometer, barometer, color spectrum, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, light, non-contact infrared thermometr, proximity