Xiaomi Redmi 9 Prime (128GB) vs Xiaomi Mi 8 (128GB)

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Side by side comparison between Xiaomi Redmi 9 Prime vs Xiaomi Mi 8 phones, differences, pros, cons and full specifications. What's the better?

11/29/2020 10:02 AM, updated: 5/7/2021 5:12 PM

Compare Xiaomi Mi 8 X Xiaomi Redmi 9 Prime (128GB) 09Points

Specifications Compare Models Pictures

6.53"
IPS

1080x2340

13
MP

8mp

4GB
RAM

Octa-core

5020
mAh

(Non removable)

21Points Xiaomi Mi 8 (128GB) Compare Xiaomi Redmi 9 Prime X

Specifications Compare Models Pictures

6.21"
AMOLED

1080x2248

12
MP

20mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

What's the better phone? Xiaomi Mi 8 (128GB)

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!

9 Advantages Xiaomi Redmi 9 Prime (128GB)	vs	21 Advantages Xiaomi Mi 8 (128GB)
+Until 512GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+1080x2340 pixels4% Higher resolution screen	vs	1080x2248 pixels
+6.53"5% Larger screen	vs	6.21"
+(quad camera) 13MP + 8MP + 5MP + 2MP16% Higher resolution main camera	vs	(dual camera) 12MP + 12MP
+Android 10Advantage Android 10 is newer and safer	vs	Android 9.0 Pie
+5020 mAh48% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3400 mAh
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C jack with 3.5mm jack adapter
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+Water repellent nano-coating (don't immerse)Advantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
2GHz 64bit Octa-core (12nm)	vs	+2.8GHz 64bit Octa-core40% More powerful processor, you can open your applications faster
4GB LPDDR4X	vs	+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.
eMMC 5.1	vs	+UFS 2.1Advantage Fastest write and read storage.
198 grams (6.93 ounces)	vs	+175 grams (6.13 ounces)13% Lighter
9.1 millimeters (0.36 inches)	vs	+7.6 millimeters (0.3 inches)20% Thinner
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
Not supported	vs	+HDR10Advantage The HDR10 display provides vibrant colors and more details
395 PPI	vs	+402 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
1/3.1" inches	vs	+1/2.55" inches22% The larger sensor camera lets you take photos with better depth.
f/2.2 (aperture)	vs	+f/1.8 (aperture)22% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 20MP149% Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 1024 Mbps2 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

24 Common items in both devices

128GB (106GB available) / 128GB (110GB available)

60Hz

16 million

PDAF: phase detection autofocus

HDR photo on both cameras

(front) Full HD (1920x1080)

4G LTE-A

+17 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
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Change model		Choose the model
Model	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Other model names	Xiaomi Redmi 9 Prime (M2004J19PI)	小米8, Xiaomi Mi8 6GB RAM, Xiaomi Dipper
Country or region available	India	(Global, International), China, Hong Kong, Taiwan
Brand	Xiaomi	Xiaomi
Release date	8/4/2020	6/1/2018
Depth	9.1 millimeters (0.36 inches)	7.6 millimeters (0.3 inches)
Size (width x height)	77.01 x 163.32 millimeters (3.03 x 6.43 in)	74.8 x 154.9 millimeters (2.94 x 6.1 in)
Weight	198 grams (6.93 ounces)	175 grams (6.13 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Water repellent nano-coating (don't immerse)	Not supported
📲 Display
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	6.53" inches	6.21" inches
Screen-to-body ratio	~83.2% (screen-to-body ratio)	~83.8% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x2248 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	395 PPI	402 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	400nits[typ]	600nits[typ] HDR10
🤖 Operating System
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
System version	Android 10	Android 8.1 Oreo
Firmware update	feature not registered	Android 9.0 Pie
User Interface	feature not registered	feature not registered
⚙️ Processor
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Chipset	64bit: MediaTek Helio G80 (MT6769V/CU) (12nm)	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)
CPU	Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core)	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core)
GPU graphical controller	ARM Mali-G52 MC2 (950MHz)	Qualcomm Adreno 630 710Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
RAM memory	4GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (106GB available) eMMC 5.1	128GB (110GB available) UFS 2.1
External storage	Until 512GB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	1024/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
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	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 (1, 3, 5, 8) TD-LTE (40, 41) VoLTE	LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Back camera (main camera)	(quad camera) 13 megapixels 8MP ultrawide f/2.2118°1/4.0"1.12µm 5MP macro f/2.4 2MP depth f/2.4	(dual camera) 12 megapixels 12MP telephoto f/2.456mm1/3.4"1.0µmAF2x-optical-zoom
Main camera resolution	4128x3096 pixels	4000x3000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.2 (aperture)	f/1.8 (aperture)
Focal length	28mm lens	feature not registered
Sensor size	1/3.1" inches	1/2.55" inches
Pixel size	1.12µm pixel	1.4µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS (4-axis): Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Front camera (secondary)	8 megapixels	20 megapixels
Front camera resolution	3264x2448 pixels	5184x3840 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	27mm lens	feature not registered
Sensor size	1/4" inches	1/3" inches
Pixel size	1.12µm pixel	1.8µm pixel
🔉 Sound and multimedia
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C jack with 3.5mm jack adapter
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.0 + 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	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Not supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5020 mAh	3400 mAh
Charger, watts	18W Wired fast charging	18W Wired fast charging Quick Charge 4+
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	31 hours (1.3 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
Call control	Voice dialing, Voice recorder, Voice commands	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	Not supported	Not supported
Miscellaneous	• Colors: Space Blue, Mint Green, Matte Black, Sunrise Flare • MIUI 11 • 10W charger included	• Colors: Black, Blue, White, Gold • MIUI 9.5 • Always-On Display • WiFi display
☢️ Radiation rate
	Redmi 9 Prime (128GB)	Xiaomi Mi 8 (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.85W/kg (head), 0.42W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered