Samsung Galaxy A8s (SM-G8870 128GB/6GB) vs Xiaomi 12S Ultra (256GB/8GB)

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Side by side comparison between Samsung Galaxy A8s vs Xiaomi 12S Ultra phones, differences, pros, cons and full specifications. What's the better?

7/16/2022 7:17 AM, updated: 6/23/2023 7:47 AM

Compare Xiaomi 12S Ultra X Samsung Galaxy A8s (SM-G8870 128GB/6GB) 06Points

Specifications Compare Models Pictures

6.4"
PLS

1080x2340

24
MP

24mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

29Points Xiaomi 12S Ultra (256GB/8GB) Compare Samsung Galaxy A8s X

Specifications Compare Models Pictures

6.73"
AMOLED

1440x3200

50
MP

32mp

8GB
RAM

Octa-core

4860
mAh

(Non removable)

What's the better phone? Xiaomi 12S Ultra (256GB/8GB)

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 Samsung Galaxy A8s (SM-G8870 128GB/6GB)	vs	29 Advantages Xiaomi 12S Ultra (256GB/8GB)
+173 grams (6.06 ounces)30% Lighter	vs	225 grams (7.88 ounces)
+7.4 millimeters (0.29 inches)22% Thinner	vs	9 millimeters (0.35 inches)
+f/1.7 (aperture)12% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
+ANT+Advantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
2.2GHz 64bit Octa-core	vs	+3.19GHz 64bit Octa-core (4nm)43% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+8GB LPDDR533% More RAM memory. Typically more responsive and better for multitasking.
128GB (109GB available)	vs	+256GB (218GB available)100% More internal storage for applications and files
eMMC 5.1	vs	+UFS 3.1Advantage Fastest write and read storage.
Aluminum frame, glass front/back	vs	+Aluminum frame, glass front, leather backAdvantage More resistant material
TFT PLS	vs	+AMOLEDAdvantage AMOLED display is brighter and more vivid
16 million	vs	+1 billion62 times More colors on the screen is better quality images and videos
1080x2340 pixels	vs	+1440x3200 pixels82% Higher resolution screen
403 PPI	vs	+521 PPI29% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.4"	vs	+6.73"5% Larger screen
(triple camera) 24MP + 10MP + 5MP	vs	+(quad camera) 50MP + 48MP + 48MP + 0.3MP3 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
1/2.8" inches	vs	+1/1" inches180% The larger sensor camera lets you take photos with better depth.
(front) 24MP	vs	+(front) 32MP34% Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)	vs	+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 10	vs	+Android 13Advantage Android 13 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 800 Mbps	vs	+(5G SA/NSA) 2000 Mbps150% Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
3400 mAh	vs	+4860 mAh43% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+67W3 times More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
Not supported	vs	+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.0 + A2DP/LE	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

23 Common items in both devices

Digital and optical zoom

PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus

HDR photo on both cameras / HDR photo/video on both cameras

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+16 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 A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
Change model		Choose the model
Model	Galaxy A8s (SM-G8870 128GB/6GB)	12S Ultra (256GB/8GB)
Other model names	Galaxy A8S (128GB+6GB RAM) SM-G8870ZKDCHC	小米12S Ultra 5G (2203121C) 8GB RAM
Country or region available	China, Hong Kong	(Global, International)
Brand	Samsung	Xiaomi
Release date	12/1/2018	7/9/2022, Announced: 7/4/2022
Depth	7.4 millimeters (0.29 inches)	9 millimeters (0.35 inches)
Size (width x height)	74.9 x 158.4 millimeters (2.95 x 6.24 in)	74.97 x 163.17 millimeters (2.95 x 6.42 in)
Weight	173 grams (6.06 ounces)	225 grams (7.88 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum frame, glass front, leather back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
Display type	TFT PLS	AMOLED
Screen size	6.4" inches	6.73" inches
Screen-to-body ratio	~84.7% (screen-to-body ratio)	~89.4% (screen-to-body ratio)
Display resolution	1080x2340 pixels	1440x3200 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	403 PPI	521 PPI
Colors	16 million	1 billion
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass Victus
Refresh rate	feature not registered	120Hz
Display features	feature not registered	1000nits[typ], 1500nits[peak] Dolby Vision/HDR10+
🤖 Operating System
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
System version	Android 9.0 Pie	Android 12
Firmware update	Android 10	Android 13
User Interface	One UI	MIUI 13 / 14
⚙️ Processor
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
Chipset	64bit: Qualcomm Snapdragon 710 SDM710 (10nm)	64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core)	Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core)
GPU graphical controller	Qualcomm Adreno 616 500Mhz	Qualcomm Adreno 730 (818MHz)
Performance (benchmark)	feature not registered	AnTuTu: 1039412 (v9) Geekbench: 4300 (v5.1) GFXBench: 51fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
RAM memory	6GB LPDDR4X	8GB LPDDR5
Internal storage	128GB (109GB available) eMMC 5.1	256GB (218GB available) UFS 3.1
External storage	Not supported	Not supported
📶 Mobile networks
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	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	800/150 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	CDMA 800, GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100
Primary 4G network	LTE Cat15/13 (1, 3, 4, 5, 7, 8, 12, 17) TD-LTE (34, 38, 39, 40, 41)	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79)
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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1900/2100	UMTS 800/850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
Back camera (main camera)	(triple camera) 24 megapixels 10MP telephoto f/2.452mm1/3.9"1.0µmAF2x-optical-zoom 5MP depth f/2.2	(quad camera) 50 megapixels 48MP periscope telephoto f/4.1120mm1/2"0.8µmPDAFOIS5x-optical-zoom 48MP ultrawide f/2.213mm128°1/2"0.8µmDual-PixelPDAF 0.3MP TOF 3D depth
Main camera resolution	5632x4224 pixels	8160x6120 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	8K UHD (7680x4320) 24 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.7 (aperture)	f/1.9 (aperture)
Focal length	27mm (lens)	23mm (lens)
Sensor size	1/2.8" inches	1/1" inches
Pixel size	0.9µm pixel	1.6µm pixel
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Digital and optical 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/video on both cameras
Camera extras	1080p@240fps	4K@60fps 1080p@480fps Sony IMX989 Leica optics
📸 Front camera
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
Front camera (secondary)	24 megapixels	32 megapixels
Front camera resolution	5632x4224 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.4 (aperture)
Focal length	26mm (lens)	25mm (lens)
Sensor size	1/2.8" inches	feature not registered
Pixel size	0.9µm pixel	0.7µm pixel
🔉 Sound and multimedia
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
Loudspeaker	Stereo sound	Stereo sound 24-bit/192kHz Tuned by Harman Kardon
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	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
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
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 reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.2 + 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/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3400 mAh	4860 mAh
Charger, watts	18W Wired fast charging	67W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0
Inductive / wireless charging	Not supported	50W Qi wireless charging 10W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
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: Black, Gradient Black, Blue, Pink-Blue, Yellow-Pink • Samsung Pay	• Colors: Black, Dark Green
☢️ Radiation rate
	Galaxy A8s (SM-G8870 128GB/6GB)	Xiaomi 12S Ultra (256GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.24W/kg (head), 1.168W/kg (body)	feature not registered