Apple iPhone Duo vs Samsung Galaxy A51 5G

Specs comparison

Add up to three devices side by side to compare their full specifications, features, performance, battery, and key differences in one place. Make informed decisions and find the device that best suits your needs and budget. Search for a device in an empty slot to add it.

WhatsApp Add a third device Clear all

2 of 2 devices The best value in a row is marked Best
Apple Apple iPhone Duo View Specs Change
Samsung Samsung Galaxy A51 5G View Specs Change
Brand Apple Samsung
Versions A3720 (International); A3447 (USA); A3719 (Middle East, Canada, Mexico); A3721 (China) SM-A516B/DS (International), SM-A516U (USA), SM-A516F/DSN, SM-A516N (South Korea)
Announced 2026, September 09 2020, April 08
Released 2026, October 23 2020, April 29
Availability Available Available
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
2G Bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - SM-A516B/DSHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 71, 106 - A3447, A37191, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 106 - A37201, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 106 - A3721 1, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41 - SM-A516B/DS2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A516U
5G Bands 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A37201, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79, 258, 260, 261 SA/NSA/Sub6/mmWave - A34471, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A37211, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79 SA/NSA/Sub6 - A3719 41, 78 SA/NSA/Sub6 - SM-A516B/DS
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Dimensions Unfolded: 117.8 x 164.6 x 5.2 mmFolded: 117.8 x 84.1 x 11.3 mm 158.9 x 73.6 x 8.7 mm(6.26 x 2.90 x 0.34 in)
Weight 254 g (8.96 oz) 187 g (6.60 oz) Best
Build Glass front (Ceramic Shield 2) (folded)Titanium frame & hindge (grade 5)Glass back (Ceramic Shield) Glass front (Gorilla Glass 3), plastic back, aluminum frame
Stylus Yes, support Apple Pencil (USB-C) model —
SIM · eSIM + eSIM (8 or more, max 2 at a time) - Global· eSIM + eSIM (China) · Nano-SIM· Nano-SIM + Nano-SIM
Protection / IP Rating IP68 dust tight and water resistant (immersible up to 6m for 30 min) —
Display Type LTPO Super Retina XDR OLED Super AMOLED
Display Size 7.6 inches, 175.4 cm2 (~90.4% screen-to-body ratio) Best 6.5 inches, 102.0 cm2 (~87.2% screen-to-body ratio)
Resolution 1878 x 2670 pixels 1080 x 2400 pixels, 20:9 ratio
Pixel Density ~430 ppi Best ~405 ppi
Refresh Rate 120Hz Best 60Hz
Peak Brightness 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak) Best 400 to 420 nits
Protection Nano Texture finishAnti‑reflective coating Corning Gorilla Glass 3
Display Features HDR10, Dolby Vision, Wide-angle OLED matte display Infinity-O
Display Type LTPO Super Retina XDR OLED —
Display Size 5.4 inches —
Resolution 1398 x 2034 pixels —
Pixel Density 460 ppi —
Refresh Rate 120Hz —
Peak Brightness 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak) —
Protection Ceramic Shield 2, Anti‑reflective coating —
Display Features HDR10, Dolby Vision —
Operating System iOS Android
OS Version 27 10
Update Support — Upgradable to Android 13
User Interface — One UI 2.1, Upgradable to One UI 5
Chipset Apple A20 Pro (2 nm) Exynos 980 (8 nm)
CPU Hexa-core (2x GHz high performance + 4x GHz) Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
GPU Apple GPU (7-core graphics) Mali-G76 MP5
RAM Options 12GB 4GB, 6GB, 8GB
Storage Options 256GB / 12GB RAM512GB / 12GB RAM1TB / 12GB RAM2TB / 12GB RAM 128GB / 4GB RAM128GB / 6GB RAM128GB / 8GB RAM
Storage Type NVMe UFS 2.1
Card Slot No microSDXC (uses shared SIM slot)
Cameras Dual camera Triple camera
Modules 48 MP, f/1.6, 26mm (wide), PDAF, sensor-shift OIS48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAF 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF12 MP, f/2.2, 123˚ (ultrawide)5 MP (macro)Auxiliary lens
Features Dual-LED dual-tone flash, HDR (photo/panorama) LED flash, panorama, HDR
Video 4K@24/25/30/60/100/120fps, 1080p@25/30/60/120/240fps, 10-bit HDR, Dolby Vision HDR (up to 120fps), ProRes, 3D (spatial) video/audio, stereo sound rec. 4K@30fps, 1080p@30/120fps, gyro-EIS
Cameras Dual camera Single camera
Modules 4 MP, f/1.8, 22mm (wide), under display camera (1080p@30/60fps)Cover camera:12 MP multi-aspect, f/2.2, (wide), AF 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm Best
Features HDR, Dolby Vision HDR, spatial audio, stereo sound rec. HDR
Video 4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS 4K@30fps, 1080p@30fps
Loudspeaker Yes, with stereo speakers Yes
Audio Jack No Yes
Spatial Audio 3D (spatial) video/audio, stereo sound —
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 6.0, A2DP, LE 5.0, A2DP, LE
GPS / Positioning GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC GPS, GLONASS, GALILEO, BDS
NFC Yes Yes
Radio No FM radio, RDS, recording
USB USB Type-C 3.2 Gen 2, DisplayPort USB Type-C 2.0, OTG
Fingerprint Yes (side-mounted) Yes, (under display, optical)
Face Unlock No Face ID Yes
Sensors Accelerometer, gyro, proximity, compass, barometer Accelerometer, gyro, proximity, compass
Other Features Ultra Wideband (UWB) support (gen2 chip)Emergency SOS, Messages and Find My via satellite ANT+
Battery Type Li-Ion Li-Po
Battery Capacity 4883 mAh Best 4500 mAh
Wired Charging PD3.2, AVS, 50% in 20 min 15W wired Best
Wireless Charging 25W wireless MagSafe/Qi2, 50% in 30 min No
Colours Night Sky, Star White Prism Cube Black, Prism Cube White, Prism Cube Pink
Models A3720, A3721, A3447, A3719 SM-A516F, SM-A516F/DSN, SM-A516N, SM-A516B/DS, SM-A516B, SM-A516U, SC-54A, SM-A516U1, SCG07, SM-A5160
SAR EU — 0.50 W/kg (head) 1.55 W/kg (body)

The matchups our readers check most. Tap any pair to see the full side-by-side specs comparison.