Digma Optima 8027 3G vs OnePlus 9

Network
2G network

GSM 900, 1800

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

HSDPA 2100

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100
4G network

-

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - EU; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 46, 48, 66, 71 - North America; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41, 46 - IN; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41 - China
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA - EU; 1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - North America; 41, 78 SA/NSA - IN; 1, 3, 28, 41, 78, 79 SA/NSA - China
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE-A (5CA), Cat20, 2000 Mbps download, 200 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Glass front (Gorilla Glass), glass back (Gorilla Glass), plastic frame
SIM

Dual SIM (Micro-SIM/Mini-SIM, dual stand-by)

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

123 mm

160 mm
Width

208 mm

74.2 / 73.9 (EU, North America/IN, China) mm
Thickness

10 mm

8.7 / 8.1 (EU, North America/IN, China) mm
Weight

320 g

192 / 183 (EU, North America/IN, China) g
Waterproof

-

IP68
Dust proof

-

IP68
Colors

Black

Black, Sky, Winter Mist

Display
Display type

IPS

Fluid AMOLED
Physical size

8 inches

6.55 inches
Resolution

1280 x 800 pixels

1080 x 2400 pixels
Pixel density

189 ppi

402 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass
Multitouch

Yes

-
Display features

-

Always-on display, 120Hz, HDR10+, 1100 nits (peak)

Main camera
Camera type

-

Triple
Main camera

2 MP

48 MP, (wide) , f/1.8 , 23 mm, 1/1.43" , 1.12 µm
(ultrawide) , 50 MP, f/2.2 , 14 mm, 1/1.56" , 1.0 µm
(depth) , 2 MP, f/2.4
Primary camera resolution

1600 x 1200 pixels

8000 x 6000 pixels
Primary camera video

720p@30fps

8K@30fps, 4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Primary camera flash

-

dual-LED flash
Camera features

Continuous shooting, digital zoom, geotagging, HDR, white balance settings, scene mode

Autofocus, continuous shooting, digital 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, macro-mode, phase detection autofocus, contrast detection autofocus, Hasselblad Pro mode, dual native ISO, 2.2 OCL

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
WLAN DLNA

-

Yes
USB

microUSB 2.0

Type-C 3.1
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
SBAS

-

Yes