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  3. Armor X9 vs Blade A51

UleFone Armor X9 vs ZTE Blade A51

What Armor X9 does better (7) and where Blade A51 wins (6) — every spec side by side.

UleFone Armor X9
UleFone · 2021Armor X9
4.9Score
7 advantages≈ $160
Higher score
vs
ZTE Blade A51
ZTE · 2021Blade A51
4.8Score
6 advantages
2.7Display3.2
2.7Camera2.7
6.0Features5.6
Dimensions

Size comparison

Armor X9Blade A51
77.5 × 15813.975.6 × 166.58.5
Armor X9Blade A51Difference
Height158 mm166.5 mm−8.5 mm
Width77.5 mm75.6 mm+1.9 mm
Thickness13.9 mm8.5 mm+5.4 mm
Weight235 g174 g+61 g

Drawn to the same scale from the official dimensions (front and side).

Why is Armor X9 better than Blade A51?

  1. Battery capacity5,000 mAh vs 3,200 mAh+56%
  2. RAM3 GB vs 2 GB+50%
  3. Process12 nm vs 28 nm2.3×
  4. CPU frequency1.8 GHz vs 1.6 GHz+12%
  5. Pixel density293 ppi vs 269 ppi+9%
  6. Wi-Fi standardWi-Fi 5 vs Wi-Fi 4+25%
  7. Bluetooth5 vs 4.2+19%

Why is Blade A51 better than Armor X9?

  1. Storage (max)32 GB vs 64 GB2×
  2. Weight235 g vs 174 g+35%
  3. Rear cameras1 vs 22×
  4. Screen size5.5″ vs 6.5″+19%
  5. Thickness13.9 mm vs 8.5 mm+64%
  6. Screen-to-body ratio63.8% vs 81.5%+28%
Specifications

Side by side

UleFone Armor X9UleFone Armor X9≈ $1604.9
Design
Weight235 g174 g
Thickness13.9 mm8.5 mm
Height158 mm166.5 mm
Width77.5 mm75.6 mm
Ingress protectionIP68—
Water resistance (IPx)IPx8—
ColoursRed, Black, GreenBlue, Gray
Display
Screen size5.5″6.5″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,440 px1,600 px
Pixel density293 ppi269 ppi
Refresh rate60 Hz60 Hz
Screen-to-body ratio63.8%81.5%
Performance
ChipsetMediatek MT6762D Helio A25Unisoc SC9863A
Chip makerMediaTekUnisoc
Process12 nm28 nm
CPU cores88
CPU frequency1.8 GHz1.6 GHz
GPUPowerVR GE8320IMG8322
Memory
RAM3 GB2 GB
Storage (max)32 GB64 GB
Storage (base)32 GB32 GB
Storage typeeMMC 5.1eMMC 5.1
Memory card slotYesYes
Camera
Main camera13 MP13 MP
Main camera aperturef/2.2—
Rear cameras12
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera5 MP5 MP
4K selfie videoNo—
Battery
Battery capacity5,000 mAh3,200 mAh
Battery typeLi-PoLi-Ion
Wired charging10 W—
Wireless chargingNo—
Connectivity
5GNo—
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 4
Bluetooth54.2
NFCYesYes
USBmicroUSB 2.0USB Type-C 2.0
USB version—2
Satellite navigationGLONASS, GALILEO, BDSGLONASS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensor—Rear
SensorsAccelerometer, proximity, compassFingerprint (rear-mounted), accelerometer, proximity
Software
OS at launchAndroid 11Android 11 (Go edition)
PlatformAndroidAndroid
To compare: 0up to 4 models
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