Samsung Galaxy C8 (SM-C7100 64GB) vs Xiaomi Redmi 7A (12MP 32GB)

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Side by side comparison between Samsung Galaxy C8 vs Xiaomi Redmi 7A phones, differences, pros, cons and full specifications. What's the better?

7/30/2019 9:22 PM, updated: 6/6/2025 11:25 AM

Compare Xiaomi Redmi 7A X Samsung Galaxy C8 (SM-C7100 64GB) 16Points

Specifications Compare Models Pictures

5.5"
AMOLED

1080x1920

13
MP

16mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

07Points Xiaomi Redmi 7A (12MP 32GB) Compare Samsung Galaxy C8 X

Specifications Compare Models Pictures

5.45"
IPS

720x1440

12
MP

5mp

2GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy C8 (SM-C7100 64GB)

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!

16 Advantages Samsung Galaxy C8 (SM-C7100 64GB)	vs	7 Advantages Xiaomi Redmi 7A (12MP 32GB)
+2.6GHz 64bit Octa-core (16nm)5% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core
+4GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR3
+64GB (51GB available)143% More internal storage for applications and files	vs	32GB (21GB available)
+7.9 millimeters (0.31 inches)21% Thinner	vs	9.55 millimeters (0.38 inches)
+Aluminum body, glass frontAdvantage More resistant material	vs	Plastic body, glass front
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1080x1920 pixels100% Higher resolution screen	vs	720x1440 pixels
+401 PPI36% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	295 PPI
+5.5"1% Larger screen	vs	5.45"
+(dual camera) 13MP + 5MP48% Higher resolution main camera	vs	(back) 12MP
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+f/1.7 (aperture)29% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.2 (aperture)
+(front) 16MP2 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Fingerprint sensor (front-mounted)Advantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
180 grams (6.3 ounces)	vs	+165 grams (5.78 ounces)9% Lighter
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
Android 8.1 Oreo	vs	+Android 10Advantage Android 10 is newer and safer
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
3000 mAh	vs	+4000 mAh33% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
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

28 Common items in both devices

eMMC 5.1

Until 256GB microSD, microSDXC

60Hz

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

+21 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
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Change model		Choose the model
Model	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Other model names	盖乐世 C8 4GB RAM + 64GB, SM-C7100ZKGCHC	Redmi 7A (Global) M1903C3EG, M1903C3EH, M1903C3EI, MZB7813EU
Country or region available	China, Hong Kong	(Europe), (Global, International), India
Brand	Samsung	Xiaomi
Release date	9/1/2017	7/1/2019
Depth	7.9 millimeters (0.31 inches)	9.55 millimeters (0.38 inches)
Size (width x height)	74.7 x 152.4 millimeters (2.94 x 6 in)	70.41 x 146.3 millimeters (2.77 x 5.76 in)
Weight	180 grams (6.3 ounces)	165 grams (5.78 ounces)
Build, materials	Aluminum body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Water repellent nano-coating (don't immerse)
📲 Display
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Display type	Super AMOLED	TFT IPS LCD
Screen size	5.5" inches	5.45" inches
Screen-to-body ratio	~73.3% (screen-to-body ratio)	~74.4% (screen-to-body ratio)
Display resolution	1080x1920 pixels	720x1440 pixels (18:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	295 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	60Hz	60Hz
Display features	Always-On Display	Not supported
🤖 Operating System
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
System version	Android 7.1.1 Nougat	Android 9.0 Pie
Firmware update	Android 8.1 Oreo	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Chipset	64bit: MediaTek Helio P25 (MT6757T) (16nm)	64bit: Qualcomm Snapdragon 439 SDM439 (12nm)
CPU	Octa-core, 2 processors: 4x 2.6GHz ARM Cortex-A53 (Quad-core) 4x 1.6GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controller	ARM Mali-T880 MP2 (1GHz)	Qualcomm Adreno 505 650Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
RAM memory	4GB LPDDR4X	2GB LPDDR3
Internal storage	64GB (51GB available) eMMC 5.1	32GB (21GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	150/50 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	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 39, 40, 41)	LTE Cat4 VoLTE M1903C3EG, MZB7813EU (Global version): LTE (1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (38, 40) M1903C3EI, MZB7989IN, MZB7800IN, MZB8008IN, M1903C3EH (India, APAC version): LTE (1, 3, 5, 8) TD-LTE (40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1900/2100
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSUPA, HSPA+
📷 Camera
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Back camera (main camera)	(dual camera) 13 megapixels 5MP f/1.9	12 megapixels
Main camera resolution	4128x3096 pixels	4000x3000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/1.7 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.9" inches
Pixel size	feature not registered	1.25µm pixel
Autofocus	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	Not supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Front camera (secondary)	16 megapixels	5 megapixels
Front camera resolution	4608x3456 pixels	2560x1920 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/1.9 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/5" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	2 microphones	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, MKV	MP4, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	4.2 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	4000 mAh
Charger, watts	Wired charging	5W (5V/1A) Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	16 hours	feature not registered
Standby	feature not registered	456 hours (19 days)
➕ Other features
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder
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: Black, Gold, Pink	• Colors: Black, Blue, Gold • MIUI 12 • Sony IMX486 back camera sensor • WiFi Display • 10W fast charge support, but includes normal 5W charger*
☢️ Radiation rate
	Galaxy C8 (SM-C7100 64GB)	Redmi 7A (12MP 32GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1W/kg (head), 1.12W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.719W/kg (head), 1.26W/kg (body)	0.56W/kg (head), 1.17W/kg (body)