LG Optimus G (E977) vs Samsung Galaxy A15 (SM-A155M/DSN 128GB/6GB)

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Side by side comparison between LG Optimus G vs Samsung Galaxy A15 phones, differences, pros, cons and full specifications. What's the better?

3/18/2024 5:07 PM, updated: 3/18/2024 7:37 PM

Compare Samsung Galaxy A15 X LG Optimus G (E977) 05Points

Specifications Compare Models Pictures

4.7"
IPS+

768x1280

13.2
MP

1.3mp

2GB
RAM

Quad-core

2100
mAh

(Non removable)

24Points Samsung Galaxy A15 (SM-A155M/DSN 128GB/6GB) Compare LG Optimus G X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2340

50
MP

13mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A15 (SM-A155M/DSN 128GB/6GB)

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!

5 Advantages LG Optimus G (E977)	vs	24 Advantages Samsung Galaxy A15 (SM-A155M/DSN 128GB/6GB)
+145 grams (5.08 ounces)38% Lighter	vs	200 grams (7 ounces)
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+Gorilla Glass 2Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
1.5GHz 32bit Quad-core	vs	+2.2GHz 64bit Octa-core (6nm)100% More powerful processor, you can open your applications faster
2GB LPDDR2	vs	+6GB LPDDR4X2 times More RAM memory. Typically more responsive and better for multitasking.
32GB (25GB available)	vs	+128GB (108GB available)3 times More internal storage for applications and files
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
8.5 millimeters (0.33 inches)	vs	+8.4 millimeters (0.33 inches)1% Thinner
TFT Super IPS+	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
768x1280 pixels	vs	+1080x2340 pixels157% Higher resolution screen
318 PPI	vs	+396 PPI25% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.7"	vs	+6.5"38% Larger screen
(back) 13.2MP	vs	+(triple camera) 50MP + 5MP + 2MP3 times Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
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.
(front) 1.3MP	vs	+(front) 13MP9 times Higher resolution secondary camera to take pictures and selfies
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Android 4.1.2 Jelly Bean	vs	+Android 14Advantage Android 14 is newer and safer
(4G LTE) 100 Mbps	vs	+(4G LTE-A) 300 Mbps2 times Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device
2100 mAh	vs	+5000 mAh138% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)	vs	+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general
802.11 a/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	+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + 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.

17 Common items in both devices

16 million

LED flash

Only digital zoom

Autofocus

Full HD (1920x1080)

4G LTE / 4G LTE-A

Capacitive

+10 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
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
Change model		Choose the model
Model	Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
Other model names	LG Optimus G E977, LG E977 Optimus G	Galaxy A15 4G LTE SM-A155M/Dual-SIM NFC
Country or region available	feature not registered	(Latin America), Colombia, Costa Rica
Brand	LG	Samsung
Release date	9/17/2012	12/16/2023, Announced: 12/11/2023
Depth	8.5 millimeters (0.33 inches)	8.4 millimeters (0.33 inches)
Size (width x height)	68.9 x 131.9 millimeters (2.71 x 5.19 in)	76.8 x 160.1 millimeters (3.02 x 6.3 in)
Weight	145 grams (5.08 ounces)	200 grams (7 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
Display type	TFT Super IPS+	Super AMOLED
Screen size	4.7" inches	6.5" inches
Screen-to-body ratio	~69.2% (screen-to-body ratio)	~84.3% (screen-to-body ratio)
Display resolution	768x1280 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	318 PPI	396 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 2	Not supported
Refresh rate	feature not registered	90Hz
Display features	feature not registered	800nits[peak]
🤖 Operating System
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
System version	Android 4.1.2 Jelly Bean	Android 14
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	One UI 6.1
⚙️ Processor
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
Chipset	32bit: Qualcomm Snapdragon S4 Pro APQ8064	64bit: MediaTek Helio G99 (6nm)
CPU	Quad-core, 1 processor: 4x 1.5GHz Krait (Quad-core)	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 320	ARM Mali-G57 MC2
Performance (benchmark)	feature not registered	AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6)
💽 Memory and storage
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
RAM memory	2GB LPDDR2	6GB LPDDR4X
Internal storage	32GB (25GB available)	128GB (108GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	100/50 Mbps	300/150 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 850/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE 700/2600	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 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	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	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
Back camera (main camera)	13.2 megapixels	(triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4
Main camera resolution	4192x3144 pixels	8160x6120 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.4 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/3.2" inches	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	Autofocus	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	Supported	Supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	1080p@30fps 720p@120fps (slow motion)
📸 Front camera
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
Front camera (secondary)	1.3 megapixels	13 megapixels
Front camera resolution	1280x1024 pixels	4128x3096 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, DivX, XviD, WMV, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WMA, WAV, eAAC+, FLAC, AC3	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Micro-B USB MHL	USB Type-C (reversible)
Bluetooth	4.0 + A2DP	5.3 + A2DP/LE
WiFi	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)	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, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	feature not registered	Not supported
🧭 Sensors
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2100 mAh	5000 mAh
Charger, watts	Wired charging	25W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	15 hours	51 hours (2.1 days)
Standby	335 hours (14 days)	feature not registered
➕ Other features
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
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, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, White • LG Optimus UI v3.0 • G2 Touch Hybrid Glass screen • WiFi direct • 3G/4G mobile hotspot • Java framework	• Colors: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow
☢️ Radiation rate
	LG Optimus G (E977)	Galaxy A15 (SM-A155M/DSN 128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered