Samsung Galaxy A91 vs Samsung Galaxy A51 5G UW

Phones Images
PHONES
Phone Names Samsung Galaxy A91 Samsung Galaxy A51 5G UW
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bandsLTE2, 4, 5, 13, 66
5G bands-260, 261 mmWave
SpeedHSPA 42.2/5.76 MbpsHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE / 5G
Launch
AnnouncedNot announced yet2020, August 14
StatusCancelledAvailable. Released 2020, August 14
Body
Build-Glass front (Gorilla Glass 3), plastic back, aluminum frame
Dimensions-158.8 x 73.4 x 8.6 mm (6.25 x 2.89 x 0.34 in)
SIM· Nano-SIM· Nano-SIM + Nano-SIMNano-SIM (pre-installed)
Weight-188.8 g (6.67 oz)
Display
Protection-Corning Gorilla Glass 3
Resolution1080 x 2400 pixels, 20:9 ratio (~393 ppi density)1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Size6.7 inches, 108.4 cm26.5 inches, 102.0 cm2 (~87.5% screen-to-body ratio)
TypeSuper AMOLEDSuper AMOLED
 Always-on display-
Platform
CPUOcta-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
ChipsetQualcomm SM8150 Snapdragon 855 (7 nm)Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
GPUAdreno 640Adreno 620
OSAndroid 10, One UIAndroid 10, One UI 2
Memory
Card slotmicroSDXCmicroSDXC (uses shared SIM slot)
Internal128GB 8GB RAM128GB 6GB RAM
 -UFS 2.1
Main Camera
FeaturesLED flash, panorama, HDRLED flash, panorama, HDR
Quad-48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens
Single-5 MP, AF
Triple48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 12 MP, f/2.2, 12mm (ultrawide), 1.12µm Auxiliary lens-
Video4K@30fps, 1080p@30/60fps (gyro-EIS), 720p@960fps4K@30fps, 1080p@30/120fps; gyro-EIS
Selfie camera
FeaturesHDRHDR
Single32 MP, f/2.2, 25mm (wide), 1/2.8", 0.8µm32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Video1080p@30fps4K@30fps, 1080p@30fps
Sound
3.5mm jack NoYes
35mm jackNoYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoYes
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
Radio-FM radio, RDS, recording
USBUSB Type-C 2.0USB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
 Samsung DeX (desktop experience support) ANT+ANT+
Battery
Charging45W wired15W wired
Stand-by-Up to 672 h
Talk time-Up to 5 h
TypeLi-Po 4500 mAh, non-removableLi-Po 4500 mAh
Misc
ColorsWhite, BlackPrism Bricks Blue
ModelsSM-A915FSM-A516V
Price-About 470 EUR
SAR-0.70 W/kg (head)     1.25 W/kg (body)    
SAR EU-0.59 W/kg (head)     1.32 W/kg (body)