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Samsung Galaxy S7 Edge Duos (SM-G9350 128GB) vs Samsung Galaxy M55 (SM-M556E/DS 256GB/8GB)

Side by side comparison between Samsung Galaxy S7 Edge vs Samsung Galaxy M55 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy M55 X Samsung Galaxy S7 Edge Duos (SM-G9350 128GB) 14Points
5.5"
AMOLED

1440x2560

12.2
MP

5mp

4GB
RAM

Quad-core

3600
mAh

(Non removable)

vs
19Points Samsung Galaxy M55 (SM-M556E/DS 256GB/8GB) Compare Samsung Galaxy S7 Edge X
6.7"
AMOLED

1080x2400

50
MP

50mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M55 (SM-M556E/DS 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!

Galaxy S7 Edge Duos (SM-G9350 128GB)} 14 Advantages Samsung Galaxy S7 Edge Duos (SM-G9350 128GB) vs Galaxy M55 (SM-M556E/DS 256GB/8GB)} 19 Advantages Samsung Galaxy M55 (SM-M556E/DS 256GB/8GB)
+157 grams (5.5 ounces)15%
Lighter
vs180 grams (6.3 ounces)
+7.7 millimeters (0.3 inches)1%
Thinner
vs7.8 millimeters (0.31 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+1440x2560 pixels42%
Higher resolution screen
vs1080x2400 pixels
+534 PPI36%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs393 PPI
+f/1.7 (aperture)6%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.8 (aperture)
+ANT+Advantage
Sensors help you use the device
vsNot supported
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Heart rateAdvantage
Sensors help you use the device
vsNot supported
+SpO2Advantage
Sensors help you use the device
vsNot supported
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+Gorilla Glass 4Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2.15GHz 64bit Quad-corevs+2.4GHz 64bit Octa-core (4nm)51%
More powerful processor, you can open your applications faster
4GB LPDDR4vs+8GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
128GB (112GB available)vs+256GB (233GB available)108%
More internal storage for applications and files
UFS 2.0vs+UFS 2.2Advantage
Fastest write and read storage.
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
5.5"vs+6.7"22%
Larger screen
(back) 12.2MPvs+(triple camera) 50MP + 8MP + 2MP4 times
Higher resolution main camera
1/2.5" inchesvs+1/1.56" inches60%
The larger sensor camera lets you take photos with better depth.
(front) 5MPvs+(front) 50MP9 times
Higher resolution secondary camera to take pictures and selfies
(front) 2K UHD (2560x1440)vs+(front) 4K UHD (3840x2160)125%
More image quality for recording videos with the secondary camera
Android 8.0 Oreovs+Android 15Advantage
Android 15 is newer and safer
4G LTE-Avs+5G Sub6Advantage
The 5G Sub6 network is newer and faster
(4G LTE-A) 450 Mbpsvs+(5G Sub6) 3000 Mbps6 times
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
3600 mAhvs+5000 mAh39%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15Wvs+45W2 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.
802.11 a/b/g/n/ac [wifi5]vs+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
4.2 + A2DPvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

27 Common items in both devices
Super AMOLED
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
OIS: Optical stabilization
BSI sensor
+20 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 Clear highlight

📱 Model features

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
ModelGalaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
Other model namesGalaxy S7 edge Dual-Sim G9350, Samsung Hero 2Galaxy M55 5G SM-M556E/Dual-SIM
Country or region availableChinaHong Kong
China, Hong Kong
(Europe)Russia
(Europe), Russia
BrandSamsungSamsung
Release date3/11/20163/28/2024
Depth7.7 millimeters (0.3 inches)7.8 millimeters (0.31 inches)
Size (width x height)72.6 x 150.9 millimeters (2.86 x 5.94 in)76.5 x 163.9 millimeters (3.01 x 6.45 in)
Weight157 grams (5.5 ounces)180 grams (6.3 ounces)
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
Display typeSuper AMOLEDSuper AMOLED
Screen size5.5" inches6.7" inches
Screen-to-body ratio~76.1% (screen-to-body ratio)~86.4% (screen-to-body ratio)
Display resolution1440x2560 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)534 PPI393 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 4Not supported
Refresh ratefeature not registered120Hz
Display featuresfeature not registeredAlways-On Display

🤖 Operating System

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
System versionAndroid 6.0.1 MarshmallowAndroid 14
Firmware updateAndroid 8.0 OreoAndroid 15
User Interfacefeature not registeredOne UI 6.1 / 7.0

⚙️ Processor

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
Chipset64bit: Qualcomm Snapdragon 820 MSM8996 (14nm)64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)
CPUQuad-core, 2 processors:
2x 2.15GHz Kryo (Dual-core)
2x 1.6GHz Kryo (Dual-core)
Octa-core, 3 processors:
1x 2.4GHz ARM Cortex-A710 (Single-core)
3x 2.36GHz ARM Cortex-A710 (Triple-core)
4x 1.8GHz ARM Cortex-A510 (Quad-core)
GPU graphical controllerQualcomm Adreno 530Qualcomm Adreno 644 (443MHz)
Performance (benchmark)feature not registeredAnTuTu: 582102 (v10)

💽 Memory and storage

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
RAM memory4GB LPDDR48GB LPDDR4X
Internal storage128GB (112GB available)
UFS 2.0
256GB (233GB available)
UFS 2.2
External storageUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload450/50 Mbps3000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26)
TD-LTE (Bands 38, 39, 40, 41)
LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6

📷 Camera

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
Back camera (main camera)12.2 megapixels(triple camera)
50 megapixels
8MP ultrawide f/2.2123°
2MP macro f/2.4
Main camera resolution4032x3024 pixels8160x6120 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.7 (aperture)f/1.8 (aperture)
Focal length26mm (lens)feature not registered
Sensor size1/2.5" inches1/1.56" inches
Pixel size1.4µm pixel1µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationOIS: Optical stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extrasfeature not registered4K@30fps
1080p@30/60fps
720p@240fps (slow motion)

📸 Front camera

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
Front camera (secondary)5 megapixels50 megapixels
Front camera resolution2592x1944 pixels8160x6120 pixels
Video recording (secondary)2K UHD (2560x1440)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/1.7 (aperture)f/2.4 (aperture)
Focal length22mm (lens)feature not registered
Sensor size1/4.1" inchesfeature not registered
Pixel size1.34µm pixelfeature not registered

🔉 Sound and multimedia

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
LoudspeakerSupportedStereo sound
Active noise cancellation2 microphones or more2 microphones
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, DivX, XviD, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth4.2 + A2DP5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
SensorsAccelerometer
Ambient light sensor
ANT+
Barometer
Compass
Fingerprint sensor (front-mounted)
Gyroscope
Hall effect
Heart rate
Proximity sensor
SpO2
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity3600 mAh5000 mAh
Charger, watts15W Wired fast charging45W Wired fast charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy36 hours (1.5 days)feature not registered
Standby336 hours (14 days)feature not registered

➕ Other features

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Pearl black
• Curved edge screen
• Body material: Aluminium
• Corning Gorilla Glass back panel
• USB OTG On-The-Go
• Samsung Gear VR compatible
• Fast battery charging: 83% in 30min
• Quick Charge 3.0
• Qi Wireless charging (PMA)
• OneDrive 115GB
• IP68 certified: dust proof and water resistant over 1.5 meter and 30min
• Colors: Dark Blue, Light Green

☢️ Radiation rate

Galaxy S7 Edge Duos (SM-G9350 128GB)Galaxy M55 (SM-M556E/DS 256GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.506W/kg (head), 0.592W/kg (body)0.81W/kg (head), 1.18W/kg (body)
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