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Model

Compare AT&T 8525 and Oppo K9

AT&T 8525 vs Oppo K9

AT&T 8525

Oppo K9

AT&T 8525

Oppo K9

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

-

LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G network

-

5G band 1, 3, 28, 41, 77, 78 SA/NSA
HSDPA speed

HSDPA, 1.8 Mbps

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE-A, 1200 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2006-6

2021-05
Status

2021-05

Design
Build

-

Aluminium alloy, glass
SIM

Mini-SIM

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

113 mm

159.1 mm
Width

58 mm

73.4 mm
Thickness

22 mm

7.9 mm
Weight

176 g

172 g
Keyboard

QWERTY

-
Colors

Black, Silver

Aurora, Black

Display
Display type

TFT resistive touchscreen

Super AMOLED
Physical size

2.8 inches

6.43 inches
Resolution

240 x 320 pixels

1080 x 2400 pixels
Pixel density

143 ppi

409 ppi
Display colors

66560

16777216
Protection

-

Scratch resistant, 2.5D curved glass screen
Display features

-

90Hz, 430 nits (typ), 750 nits (peak)

Hardware
CPU

-

Octa-core
CPU

400 MHz Samsung

2.8 GHz Single-core Kryo 475 Prime
CPU(second)

Single-core 2.4 GHz Kryo 475 Gold
CPU(third)

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

-

Qualcomm SM7250-AC Snapdragon 768G 5G
GPU

-

Adreno 620
Memory ROM

128 MB

-
Memory RAM

64 MB

8 GB
Internal storage

-

128, 256 GB
Memory card

microSD

No
Memory card max

8 GB

-

OS
OS

Microsoft Windows Mobile 6 Professional

Android 11, ColorOS 11.1

Main camera
Camera type

-

Triple
Main camera

2 MP

64 MP, (wide) , f/1.7 , 80˚ , 1/2.0" , 0.8 µm, 20x digital zoom
(ultrawide) , 8 MP, f/2.2 , 119˚
(macro) , 2 MP, f/2.4
Primary camera resolution

1600 x 1200 pixels

9280 x 6920 pixels
Primary camera video

video

4K@30fps, 1080p@30/60/120fps; gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

-

Autofocus, continuous 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

Selfie camera
Secondary camera

No

-
Selfie camera type

-

Single
Selfie camera

(wide) , 32 MP, f/2.4 , 80˚ , 0.8 µm
Selfie camera resolution

-

6560 x 4928 pixels
Selfie camera features

-

Face unlock, digital image stabilization
Selfie camera video

-

1080p@30fps

Sound
3.5mm jack

No

Yes
Loudspeaker

Yes

Yes
Notifications

Vibration; Downloadable polyphonic, MP3 ringtones

-
Earpiece

-

Yes

Multimedia
Radio

No

No

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g

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

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

1.1

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v2.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
Infrared

Yes

-
NFC

-

No
GPS

No

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes

Features
Messaging SMS

SMS

-
Messaging MMS

MMS

-
Messaging Instant Messaging

Instant Messaging

-
Messaging Email

Email

-
WAP

WAP 2.0/xHTML

-
Java

Yes

-
Java MIDP

MIDP 2.0

-
Sensors

-

Accelerometer, compass, fingerprint, gyroscope, proximity

Browser
HTML

HTML (PocketIE)

HTML5

Battery
Battery type

Li-Po

Li-Po
Battery capacity

1350 mAh

4300 mAh
Battery removable

-

Non-removable
Fast battery charging

-

VOOC 4.0 (100% in 35 min)
Talk time

5 h

-
Standby time

250 h

-

Tests and performance
Antutu

-

449750 (v8)
Geekbench(single-core)

-

602 (v5.2)
Geekbench(multi-core)

-

1877 (v5.2)

Cost
Price

-

310 USD

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