Nokia Lumia 635 (RM-974) vs Xiaomi Mi A2 (128GB)

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Side by side comparison between Nokia Lumia 635 vs Xiaomi Mi A2 phones, differences, pros, cons and full specifications. What's the better?

8/14/2018 9:01 AM, updated: 11/14/2021 11:07 AM

Compare Xiaomi Mi A2 X Nokia Lumia 635 (RM-974) 06Points

Specifications Compare Models Pictures

4.5"
IPS

480x854

5
MP

512MB
RAM

Quad-core

1830
mAh

(Removable)

27Points Xiaomi Mi A2 (128GB) Compare Nokia Lumia 635 X

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

20mp

6GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? Xiaomi Mi A2 (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!

6 Advantages Nokia Lumia 635 (RM-974)	vs	27 Advantages Xiaomi Mi A2 (128GB)
+Until 128GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+134 grams (4.69 ounces)24% Lighter	vs	166 grams (5.81 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+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
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1.2GHz 32bit Quad-core	vs	+2.2GHz 64bit Octa-core (14nm)150% More powerful processor, you can open your applications faster
512MB	vs	+6GB LPDDR4X11 times More RAM memory. Typically more responsive and better for multitasking.
8GB	vs	+128GB (111GB available)13 times More internal storage for applications and files
9.2 millimeters (0.36 inches)	vs	+7.3 millimeters (0.29 inches)26% Thinner
480x854 pixels	vs	+1080x2160 pixels5 times Higher resolution screen
218 PPI	vs	+403 PPI85% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"	vs	+5.99"33% Larger screen
(back) 5MP	vs	+(dual camera) 12MP + 20MP5 times Higher resolution main camera
Not supported	vs	+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light
Not supported	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
1/4" inches	vs	+1/2.9" inches38% The larger sensor camera lets you take photos with better depth.
f/2.4 (aperture)	vs	+f/1.8 (aperture)33% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Not supported	vs	+(front) 20MPAdvantage A front-camera is best for taking selfies
HD (1280x720)	vs	+4K UHD (3840x2160)8 times More image quality for recording videos with the primary camera
700000 apps (Marketplace)	vs	+3500000 apps (Google Play Store)4 times More apps available to download and use
(4G LTE) 100 Mbps	vs	+(4G LTE-A) 600 Mbps5 times Faster for surfing the internet and download files
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
1830 mAh	vs	+3000 mAh64% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+Video callingAdvantage The video calling allows to make calls with voice and video
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

16 Common items in both devices

TFT IPS LCD / LTPS IPS LCD

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

4G LTE / 4G LTE-A

Capacitive

Multitouch

+9 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
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
Change model		Choose the model
Model	Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
Other model names	Nokia Lumia 635 Global RM-974	Xiaomi Mi A2 M1804D2SG (128GB + 6GB RAM), 小米6X, Xiaomi Wayne
Country or region available	(Global, International)	(Global, International), India
Brand	Nokia	Xiaomi
Release date	5/1/2014	7/27/2018, Announced: 7/24/2018
Depth	9.2 millimeters (0.36 inches)	7.3 millimeters (0.29 inches)
Size (width x height)	66.7 x 129.5 millimeters (2.63 x 5.1 in)	75.4 x 158.7 millimeters (2.97 x 6.25 in)
Weight	134 grams (4.69 ounces)	166 grams (5.81 ounces)
Build, materials	feature not registered	Aluminum body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
Display type	TFT IPS LCD	LTPS IPS LCD
Screen size	4.5" inches	5.99" inches
Screen-to-body ratio	~64.6% (screen-to-body ratio)	~77.4% (screen-to-body ratio)
Display resolution	480x854 pixels	1080x2160 pixels (19:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	218 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
System version	Windows Phone 8.1	Android 8.1 Oreo
Firmware update	feature not registered	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
Chipset	32bit: Qualcomm Snapdragon 400	64bit: Qualcomm Snapdragon 660 (SDM660) (14nm)
CPU	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core)	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)
GPU graphical controller	Qualcomm Adreno 305	Qualcomm Adreno 512 (650MHz)
Performance (benchmark)	feature not registered	AnTuTu: 130927 (v7), 172886 (v8) Geekbench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen)
💽 Memory and storage
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
RAM memory	512MB	6GB LPDDR4X
Internal storage	8GB	128GB (111GB available) eMMC 5.1
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	100/50 Mbps	600/150 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	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	Global version: UMTS 850/900/1700/1900/2100 India version: UMTS 850/900/1900/2100
Primary 4G network	LTE Cat3 800/1800/2600 (Bands 3,7,20)	LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5) TD-LTE (Bands 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
Back camera (main camera)	5 megapixels	(dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm
Main camera resolution	2592x1944 pixels	4000x3000 pixels
Video recording (primary)	HD (1280x720) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Not supported	Dual-LED on main camera and LED on front camera
Focal aperture	f/2.4 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/4" inches	1/2.9" inches
Pixel size	feature not registered	1.25µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	feature not registered	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	Not supported	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
Front camera (secondary)	Not supported	20 megapixels
Front camera resolution	Not supported	5164x3872 pixels
Video recording (secondary)	Not supported	Full HD (1920x1080)
Front flash	Not supported	LED
Focal aperture	feature not registered	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	1µm pixel
🔉 Sound and multimedia
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (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.264, H.263, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
USB	MicroUSB 2.0	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	Type-C jack with 3.5mm jack adapter
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
Sensors	Accelerometer Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
Battery type	Li-Ion: lithium-ion (Removable) BL-5H	LiPo: li-ion polymer (Non removable)
Battery capacity	1830 mAh	3000 mAh
Charger, watts	Wired charging	18W Wired fast charging Quick Charge 4
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	14 hours	feature not registered
Standby	600 hours (25 days)	feature not registered
➕ Other features
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder
Messaging	SMS (Swype), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Not 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: Orange, Yellow, White, Black, Green • Nokia ClearBlack display • Dolby headphone sound enhancement • Internet Explorer 11 • 7GB free SkyDrive storage • Facebook, LinkedIn, Twitter, WhatsApp • WiFi hotspot up to 8 devices	• Colors: Black, Gold, Blue, Red, Rose Gold • Android One • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display
☢️ Radiation rate
	Nokia Lumia 635 (RM-974)	Xiaomi Mi A2 (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.96W/kg (head), 0.64W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	1.16W/kg (head), 0.66W/kg (body)

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Nokia Lumia 635 (RM-974) vs Xiaomi Mi A2 (128GB)

Side by side comparison between Nokia Lumia 635 vs Xiaomi Mi A2 phones, differences, pros, cons and full specifications. What's the better?

What's the better phone? Xiaomi Mi A2 (128GB)

📱 Model features

📲 Display

🤖 Operating System

⚙️ Processor

💽 Memory and storage

📶 Mobile networks

📷 Camera

📸 Front camera

🔉 Sound and multimedia

🔌 Connectivity

🧭 Sensors

🔋 Battery

➕ Other features

☢️ Radiation rate