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Side-by-side comparison

Asus Zenfone 4 Pro ZS551KL vs Nothing Phone (3)

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

Nothing Phone (3) — quick specs

  • Network
    5G / LTE / HSPA
  • Display
    —
  • Camera
    50 MP
  • Memory
    256 GB
  • Battery
    5150 mAh
  • OS
    Android 15

● Full specification comparison

NETWORK
Technology
AGSM / HSPA / LTE
B5G, 4G, 3G, 2G / Speed: HSPA, 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
BJuly 2, 2025
Status
AAvailable. Released 2017, October
BAvailable. Released 2025
BODY
Dimensions
A156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)
B160.6 x 75.6 x 9 (mm)
Weight
A175 g (6.17 oz)
B218g
SIM
AHybrid Dual SIM (Nano-SIM, dual stand-by)
BDual SIM (Nano SIM), eSIM
Build
AFront/back glass (Gorilla Glass 5) & aluminum frame
BSlate
DISPLAY
Type
AAMOLED capacitive touchscreen, 16M colors
BType: OLED, 1B colors, 120Hz, 2160Hz PWM, HDR10+, 4500 nits (peak) / Resolutions: 1260 x 2800 pixels, 20:9 ratio / Size: 6.67 inches / Protection: Corning Gorilla Glass 7i
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
BAndroid 15 with Nothing OS 3.5
Chipset
AQualcomm MSM8998 Snapdragon 835 (10 nm)
BQualcomm SM8735 / Snapdragon 8s Gen 4
CPU
AOcta-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
BOcta-core (1x3.21 GHz Cortex-X4 & 3x3.0 GHz Cortex-A720 & 2x2.8 GHz Cortex-A720 & 2x2.0 GHz Cortex-A720)
GPU
AAdreno 540
BAdreno 825
MEMORY
Card slot
AmicroSD, up to 1 TB (uses shared SIM slot)
BNo
Internal
A64GB 6GB RAM, 128GB 6GB RAM
B256GB & 512GB
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";
B—
Triple
A—
BTriple: 50+50+50 MP
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"
B50 MP
SOUND
Loudspeaker
AYes, dual speakers
BStereo Speakers
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 802.11 a/b/g/n/ac/ax, dual-band
Bluetooth
A5.0, A2DP, EDR, LE, aptX
B5.x
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
B65W wired, PD3.0, PPS, QC4, 15W wireless, 7.5W reverse charging, 5W reverse wireless
Battery Type
ANon-removable Li-Ion 3600 mAh battery
B5150 mAh <small>(International models)</small> / 5500 mAh <small>(Indian models)</small>
MISC
Colors
AMoonlight white, Pure Black
B—
Models
AZ01GD
BWhite, Black
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.

Full Asus Zenfone 4 Pro ZS551KL review →Full Nothing Phone (3) review →