Samsung Galaxy M55 vs Samsung Galaxy A55

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PHONES
Phone Names Samsung Galaxy M55 Samsung Galaxy A55
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 661, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
5G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub61, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
Launch
Announced2024, March 282024, March 11
StatusAvailable. Released 2024, March 28Available. Released 2024, March 15
Body
Build-Glass front (Gorilla Glass Victus+), glass back (Gorilla Glass), aluminum frame
Dimensions163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in)161.1 x 77.4 x 8.2 mm (6.34 x 3.05 x 0.32 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight180 g (6.35 oz)213 g (7.51 oz)
Display
Protection-Corning Gorilla Glass Victus+
Resolution1080 x 2400 pixels, 20:9 ratio (~393 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~390 ppi density)
Size6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)6.6 inches, 106.9 cm2 (~85.8% screen-to-body ratio)
TypeSuper AMOLED+, 120Hz, 1000 nits (HBM)Super AMOLED, 120Hz, HDR10+, 1000 nits (HBM)
Platform
CPUOcta-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
ChipsetQualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)Exynos 1480 (4 nm)
GPUAdreno 644Xclipse 530
OSAndroid 14, upgradable to Android 16, One UI 8.0Android 14, up to 4 major Android upgrades, One UI 6.1
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (uses shared SIM slot)
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Main Camera
FeaturesLED flash, panorama, HDRLED flash, panorama, HDR
Triple50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 123˚ (ultrawide) 2 MP (macro)50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP (macro)
Video4K@30fps, 1080p@30/60fps, gyro-EIS, OIS4K@30fps, 1080p@30/60fps, gyro-EIS
Selfie camera
Single50 MP, f/2.4, (wide)32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm
Video4K@30fps, 1080p@30/60fps4K@30fps, 1080p@30/60fps
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.2, A2DP, LE5.3, A2DP, LE
NFCYes (market/region dependent)Yes (market/region dependent)
PositioningGPS, GALILEO, GLONASS, BDS, QZSSGPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass
Battery
Charging45W wired25W wired
Type5000 mAhLi-Ion 5000 mAh
Misc
ColorsDark Blue, Light GreenIceblue, Lilac, Navy, Lemon
ModelsSM-M556B, SM-M556B/DSSM-A556V, SM-A556B, SM-A556B/DS, SM-A556E, SM-A556E/DS, SM-A5560
Price€ 272.94 / $ 265.00 / £ 251.97 / ₹ 20,999$ 324.99 / £ 251.50 / € 319.99 / ₹ 23,998
SAR0.93 W/kg (head)-
SAR EU0.96 W/kg (head)     0.98 W/kg (body)0.68 W/kg (head)     1.04 W/kg (body)
OUR TESTS
Battery-Active use score 13:27h
Display-1010 nits max brightness (measured)
Loudspeaker--25.7 LUFS (Very good)
Performance-AnTuTu: 635598 (v9), 726158 (v10) GeekBench: 3259 (v5), 3350 (v6) 3DMark: 1024 (Wild Life Extreme)