Ulefone Armor 8 Pro (128GB/8GB) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)

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Side by side comparison between Ulefone Armor 8 Pro vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

6/6/2021 1:38 PM, updated: 11/21/2022 8:39 AM

Compare Samsung Galaxy A51 X Ulefone Armor 8 Pro (128GB/8GB) 07Points

Specifications Compare Models Pictures

6.1"
IPS

720x1560

16
MP

8mp

8GB
RAM

Octa-core

5580
mAh

(Non removable)

17Points Samsung Galaxy A51 (SM-A515F/DSM 128GB) Compare Ulefone Armor 8 Pro X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DSM 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!

7 Advantages Ulefone Armor 8 Pro (128GB/8GB)	vs	17 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)
+8GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+Aluminum body with rubber, glass frontAdvantage More resistant material	vs	Plastic body, glass front
+PedometerAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+5580 mAh40% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4000 mAh
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+IP68 certified, MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
2GHz 64bit Octa-core	vs	+2.3GHz 64bit Octa-core (10nm)3% More powerful processor, you can open your applications faster
282 grams (9.87 ounces)	vs	+172 grams (6.02 ounces)64% Lighter
15 millimeters (0.59 inches)	vs	+7.9 millimeters (0.31 inches)90% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
720x1560 pixels	vs	+1080x2400 pixels131% Higher resolution screen
282 PPI	vs	+405 PPI44% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.1"	vs	+6.5"7% Larger screen
(triple camera) 16MP + 5MP + 2MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP2 times Higher resolution main camera
f/2.2 (aperture)	vs	+f/2.0 (aperture)10% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 32MP3 times 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
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 11	vs	+Android 13Advantage Android 13 is newer and safer
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 600 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+ANT+Advantage Sensors help you use the device
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.
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster

28 Common items in both devices

128GB (107GB available)

eMMC 5.1

Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC

60Hz

16 million

LED flash

Only digital zoom

+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
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Change model		Choose the model
Model	Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Other model names	Ulefone Armor 8 Pro (128GB + 8GB RAM)	Samsung Galaxy A51 SM-A515F/DSM
Country or region available	(Global, International)	Kazakhstan, Russia
Brand	Ulefone	Samsung
Release date	4/28/2021	12/16/2019, Announced: 12/12/2019
Depth	15 millimeters (0.59 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	81.8 x 166 millimeters (3.22 x 6.54 in)	73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight	282 grams (9.87 ounces)	172 grams (6.02 ounces)
Build, materials	Aluminum body with rubber, glass front	Plastic body, glass front
Protection against water and others	IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.	Not supported
📲 Display
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	6.1" inches	6.5" inches
Screen-to-body ratio	~67.3% (screen-to-body ratio)	~87.4% (screen-to-body ratio)
Display resolution	720x1560 pixels (19.5:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	282 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Scratch-resistant glass	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	Not supported	Always-On Display
🤖 Operating System
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
System version	Android 11	Android 10
Firmware update	feature not registered	Android 13
User Interface	feature not registered	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Chipset	64bit: MediaTek MT6771 Helio P60 (12nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A73 (Quad-core) 4x 2GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	ARM Mali-G72 MP3 800Mhz	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
RAM memory	8GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (107GB available) eMMC 5.1	128GB (107GB available) eMMC 5.1
External storage	Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
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	300/150 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 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) VoLTE	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A	GPRS, EDGE, UMTS, 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
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Back camera (main camera)	(triple camera) 16 megapixels 5MP macro f/2.4 2MP depth f/2.2	(quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm
Main camera resolution	4608x3456 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	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	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Front camera (secondary)	8 megapixels	32 megapixels
Front camera resolution	3264x2448 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM (RDS)
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
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 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	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) 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, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Pedometer Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5580 mAh	4000 mAh
Charger, watts	15W Wired fast charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	16 hours	feature not registered
Standby	570 hours (23.8 days)	feature not registered
➕ Other features
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Call control	Voice dialing, Voice recorder, Voice commands	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 • Oleophobic coating display • Google Pay • Drop-to-concrete resistance from up to 1.5m	• Colors: Prism, Crush Black, White, Blue, Pink
☢️ Radiation rate
	Ulefone Armor 8 Pro (128GB/8GB)	Galaxy A51 (SM-A515F/DSM 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.369W/kg (head), 1.59W/kg (body)