BlackBerry Key2 (BBF100-2) vs Xiaomi Redmi Note 9T (128GB/4GB)

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Side by side comparison between BlackBerry Key2 vs Xiaomi Redmi Note 9T phones, differences, pros, cons and full specifications. What's the better?

12/13/2022 2:29 PM, updated: 12/13/2022 4:03 PM

Compare Xiaomi Redmi Note 9T X BlackBerry Key2 (BBF100-2) 07Points

Specifications Compare Models Pictures

4.5"
IPS

1080x1620

12
MP

8mp

6GB
RAM

Octa-core

3500
mAh

(Non removable)

17Points Xiaomi Redmi Note 9T (128GB/4GB) Compare BlackBerry Key2 X

Specifications Compare Models Pictures

6.53"
IPS

1080x2340

48
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 9T (128GB/4GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

7 Advantages BlackBerry Key2 (BBF100-2)	vs	17 Advantages Xiaomi Redmi Note 9T (128GB/4GB)
+6GB LPDDR450% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+168 grams (5.88 ounces)18% Lighter	vs	199 grams (6.97 ounces)
+8.5 millimeters (0.33 inches)6% Thinner	vs	9 millimeters (0.35 inches)
+Aluminum body, glass front, plastic backAdvantage More resistant material	vs	Plastic body, glass front
+433 PPI10% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	395 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C, USB OTG On-The-Go
2.2GHz 64bit Octa-core	vs	+2.4GHz 64bit Octa-core (7nm)15% More powerful processor, you can open your applications faster
64GB (52GB available)	vs	+128GB (101GB available)94% More internal storage for applications and files
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
1080x1620 pixels	vs	+1080x2340 pixels44% Higher resolution screen
4.5"	vs	+6.53"45% Larger screen
(dual camera) 12MP + 12MP	vs	+(triple camera) 48MP + 2MP + 2MP117% Higher resolution main camera
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
1/2.3" inches	vs	+1/2" inches15% The larger sensor camera lets you take photos with better depth.
(front) 8MP	vs	+(front) 13MP60% Higher resolution secondary camera to take pictures and selfies
Android 8.1 Oreo	vs	+Android 12Advantage Android 12 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 600 Mbps	vs	+(5G SA/NSA) 2000 Mbps2 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
3500 mAh	vs	+5000 mAh43% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
5.0 + A2DP/LE	vs	+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster
Not supported	vs	+Water repellent nano-coating (don't immerse)Advantage Protection against water allows you talk to your friends in the rain, for example

30 Common items in both devices

TFT IPS LCD

60Hz

16 million

Only digital zoom

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

+23 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Change model		Choose the model
Model	Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Other model names	RIM BlackBerry KEYtwo	Redmi Note 9T 5G M2007J22G
Country or region available	(Latin America), Canada, USA	(Global, International)
Brand	BlackBerry	Xiaomi
Release date	6/1/2018	1/18/2021, Announced: 1/8/2021
Depth	8.5 millimeters (0.33 inches)	9 millimeters (0.35 inches)
Size (width x height)	71.8 x 151.4 millimeters (2.83 x 5.96 in)	77.3 x 161.9 millimeters (3.04 x 6.37 in)
Weight	168 grams (5.88 ounces)	199 grams (6.97 ounces)
Build, materials	Aluminum body, glass front, plastic back	Plastic body, glass front
Protection against water and others	Not supported	Water repellent nano-coating (don't immerse)
📲 Display
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	4.5" inches	6.53" inches
Screen-to-body ratio	~55.5% (screen-to-body ratio)	~83.6% (screen-to-body ratio)
Display resolution	1080x1620 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	433 PPI	395 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	Not supported	450nits[typ] 2.5D glass
🤖 Operating System
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
System version	Android 8.1 Oreo	Android 10
Firmware update	feature not registered	Android 12
User Interface	feature not registered	MIUI 12 / 13
⚙️ Processor
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Chipset	64bit: Qualcomm Snapdragon 660 SDM660 (14nm)	64bit: MediaTek Dimensity 800U (7nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)	Octa-core, 2 processors: 2x 2.4GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 512 650Mhz	ARM Mali-G57 MC3 (850MHz)
Performance (benchmark)	feature not registered	AnTuTu: 288732 (v8) Geekbench: 1775 (v5.1)
💽 Memory and storage
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
RAM memory	6GB LPDDR4	4GB LPDDR4X
Internal storage	64GB (52GB available)	128GB (101GB available) UFS 2.2
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	600/75 Mbps	2000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat11 (Bands 1,2,3,4,5,7,8,12,13,14,17,20,28,29,30,66) TD-LTE (Bands 38,39,40,41)	LTE Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42) VoLTE
Primary 5G network	Not supported	1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78, 79 SA/NSA/Sub6
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42) VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Back camera (main camera)	(dual camera) 12 megapixels 12MP f/2.61.0µm	(triple camera) 48 megapixels 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	4000x3000 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	1/2.3" inches	1/2" inches
Pixel size	1.55µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	1080p@30/60fps
📸 Front camera
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Front camera (secondary)	8 megapixels	13 megapixels
Front camera resolution	3264x2448 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.3 (aperture)
Focal length	feature not registered	29mm (lens)
Sensor size	feature not registered	1/3.1" inches
Pixel size	1.12µm pixel	1.12µm pixel
🔉 Sound and multimedia
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Loudspeaker	Supported	Stereo sound with dual speakers 24-bit/192kHz
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, DivX, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
USB	USB 3.1 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.1 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3500 mAh	5000 mAh
Charger, watts	Wired charging Quick Charge 3	18W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Fixed QWERTY keyboard	Not supported
Miscellaneous	• Colors: Black, Silver • DTEK system • LED notification • Fast battery charging: 50% in 36min	• Colors: Nightfall Black, Daybreak Purple
☢️ Radiation rate
	BlackBerry Key2 (BBF100-2)	Redmi Note 9T (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.07W/kg (head), 1.05W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.72W/kg (head), 1.68W/kg (body)	0.59W/kg (head), 0.94W/kg (body)