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Side-by-side comparison

Asus Zenfone 4 Pro ZS551KL vs Samsung Galaxy S25+ 5G

Asus Zenfone 4 Pro ZS551KL — quick specs

  • Network
    LTE / HSPA / GSM
  • Display
    5.5 inches · 1080×1920
  • Camera
    12 MP
  • Memory
    6 GB RAM
  • Battery
    3600 mAh
  • OS
    Android 7.1

Samsung Galaxy S25+ 5G — quick specs

  • Network
    5G / LTE / CDMA
  • Display
    —
  • Camera
    50 MP
  • Memory
    512 GB
  • Battery
    4000 mAh
  • OS
    Android 15

● Full specification comparison

NETWORK
Technology
AGSM / HSPA / LTE
B2G GSM / 3G WCDMA / 4G LTE / 5G
2G bands
AGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
B—
3G bands
AHSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
B—
4G bands
ALTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
B—
Speed
AHSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps
B—
LAUNCH
Announced
A2017, August
BS25, S25+ and S25 Ultra: / S25 Edge: / S25 FE:
Status
AAvailable. Released 2017, October
BS25, S25+ and S25 Ultra: / S25 Edge: / S25 FE:
BODY
Dimensions
A156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)
BS25: H: 146.9 mm, W: 70.5 mm, D: 7.2 mm / S25+: H: 158.4 mm, W: 75.8 mm, D: 7.3 mm / S25 Ultra: H: 162.8 mm, W: 77.6 mm, D: 8.2 mm / S25 Edge: H: 158.2 mm, W: 75.6 mm, D: 5.8 mm
Weight
A175 g (6.17 oz)
BS25: 162 g / S25+: 190 g / S25 Edge: 163 g / S25 Ultra: 218 g
SIM
AHybrid Dual SIM (Nano-SIM, dual stand-by)
B1× or 2× nano-SIM and 2× eSIM
Build
AFront/back glass (Gorilla Glass 5) & aluminum frame
BSlate
DISPLAY
Type
AAMOLED capacitive touchscreen, 16M colors
BDynamic LTPO AMOLED 2X, 120 Hz, / HDR10+ peak brightness 2600 nits / S25: 6.2 in (416 ppi), / 19.5:9 aspect ratio, 120 Hz refresh rate LTPO / S25+ & S25 Edge: 6.7 in (513 ppi), / 19.5:9 aspect ratio, 120 Hz LTPO / S25 Ultra: 6.9 in (498 ppi), / 19.5:9 aspect ratio, 120 Hz LTPO
Size
A5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio)
B—
Resolution
A1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
B—
Protection
ACorning Gorilla Glass 5
B—
PLATFORM
OS
AAndroid 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4
BAll except S25 FE: / Android 15, up to 7 major Android upgrades, One UI 7 / S25 FE: Android 16, up to 7 major Android upgrades, One UI 8.5
Chipset
AQualcomm MSM8998 Snapdragon 835 (10 nm)
BAll except S25 FE: Qualcomm Snapdragon 8 Elite For Galaxy (3 nm) / S25 FE: Samsung Exynos 2400
CPU
AOcta-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
B2x 4.47 GHz Oryon (Phoenix L) and 6x 3.53 GHz Oryon (Phoenix M)
GPU
AAdreno 540
BAdreno 830
MEMORY
Card slot
AmicroSD, up to 1 TB (uses shared SIM slot)
BNo
Internal
A64GB 6GB RAM, 128GB 6GB RAM
BS25 & S25 FE: 128/256/512 GB / S25+ & S25 Edge: 256/512 GB / S25 Ultra: 256/512 GB, 1 TB / UFS 4.0
MAIN CAMERA
Dual
A12 MP, f/1.7, 25mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, Laser AF, 4-axis OIS 16 MP, 50mm (telephoto), 1/3.1", 1.0µm, AF, 2x optical zoom";
BS25 and S25+: 50 MP, f/1.8, 24mm (wide), 1/1.56", / 1.0μm, Dual Pixel PDAF, OIS / 10 MP, f/2.4, 67mm (telephoto), 1/3.94", / 1.0μm, PDAF, OIS, 3× optical zoom / 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", / 1.4μm, Super Steady video / S25 Ultra: 200 MP, f/1.7, 24mm (wide), 1/1.3", / 0.6μm, multi-directional PDAF, OIS / 50 MP, f/3.4, 111mm (periscope telephoto), 1/2.52", / 0.7μm, dual pixel PDAF, OIS, 5× optical zoom / 10 MP, f/2.4, 67mm (telephoto), 1/3.52", / 1.12μm, PDAF, OIS, 3× optical zoom / 50 MP, f/1.9, 120˚ (ultrawide), 0.7μm, / dual pixel PDAF, Super Steady Video / S25 Edge: 200 MP, f/1.7, 24mm (wide), 1/1.3", / 0.6μm, multi-directional PDAF, OIS / 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", / 1.4μm, Super Steady video
Video
A—
B4K@30/60fps, 1080p@30/60/120/240fps
SELFIE CAMERA
Single
A8 MP, f/1.9, 1/3.2", 22mm (wide), 1.4µm, PDAF"
B12 MP, f/2.2, 26mm (wide), 1.12μm, dual pixel PDAF / HDR, HDR10+ / 4K@30/60fps, 1080p@30fps
SOUND
Loudspeaker
AYes, dual speakers
BStereo speakers, Dolby Atmos
3.5mm jack
AYes 24-bit/192kHz audio DTS sound Active noise cancellation with dedicated mic
BNo
COMMS
WLAN
AWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
BWi-Fi 7 802.11 a/b/g/n/ac/ax/be tri-band, Bluetooth 5.4 A2DP LE / S25+/S25 Edge/S25 Ultra: UWB
Bluetooth
A5.0, A2DP, EDR, LE, aptX
B5.x, A2DP, LE
GPS
AYes, with A-GPS, GLONASS, BDS, GALILEO
BYes, with A-GPS, GLONASS, BDS, GALILEO
USB
AType-C 1.0 reversible connector
BUSB Type-C
Radio
AFM radio
B—
Infrared port
AYes
B—
NFC
AYes
BYes
FEATURES
Sensors
AFingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum
BFingerprint, accelerometer, gyro, proximity, compass, barometer
BATTERY
Charging
AFast battery charging 18W: 50% in 32 min
BS25 & S25 Edge: Super fast charging at 25W / S25+ & S25 Ultra & S25 FE: Super fast charging 2.0 at 45W / All: / Qi2 wireless charging at up to 15W / Reverse charging at 4.5W (wired and wireless)
Battery Type
ANon-removable Li-Ion 3600 mAh battery
BS25: Li-ion 4000 mAh / S25+ & S25 FE: Li-ion 4900 mAh / S25 Ultra: Li-ion 5000 mAh / S25 Edge: Li-ion 3900 mAh
MISC
Colors
AMoonlight white, Pure Black
B—
Models
AZ01GD
BS25 and S25+: Icyblue, Mint, Navy, Silver Shadow, Pinkgold, Coralred, Blueblack / S25 Ultra: Titanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray, Titanium Jadegreen, Titanium Jetblack, Titanium Pinkgold / S25 Edge: Titanium Icyblue, Titanium Silver, Titanium Jetblack / S25 FE: Icyblue, Jetblack, Navy, White, Blue
Price
AAbout 550 USD
B—

Cells highlighted in green indicate a measurably better spec on that phone (battery capacity, RAM, storage, display size). Text-only specs are shown side by side without highlighting.

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