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  3. G100 Pro vs Y21 5G

Umidigi G100 Pro vs Vivo Y21 5G

What G100 Pro does better (6) and where Y21 5G wins (7) — every spec side by side.

Umidigi G100 Pro
Umidigi · 2026G100 Pro
6.4Score
6 advantages
Higher score
vs
Vivo Y21 5G
Vivo · 2026Y21 5G
6.3Score
7 advantages≈ $300
5.4Display6.6
5.6Camera4.2
7.3Battery3.0
4.1Features7.4
Dimensions

Size comparison

G100 ProY21 5G
77.6 × 1718.177.1 × 167.48.4
G100 ProY21 5GDifference
Height171 mm167.4 mm+3.6 mm
Width77.6 mm77.1 mm+0.5 mm
Thickness8.1 mm8.4 mm−0.3 mm
Weight210 g209 g+1 g

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

Why is G100 Pro better than Y21 5G?

  1. Battery capacity6,000 mAh vs 1,200 mAh5×
  2. RAM8 GB vs 4 GB2×
  3. Selfie camera16 MP vs 5 MP3.2×
  4. 3.5 mm headphone jackYes · Y21 5G: No
  5. Screen size6.9″ vs 6.7″+2%
  6. Thickness8.1 mm vs 8.4 mm+4%

Why is Y21 5G better than G100 Pro?

  1. Wired charging20 W vs 44 W2.2×
  2. Peak brightness450 nits vs 1,200 nits2.7×
  3. 5GNo · G100 Pro: Yes
  4. Water resistance (IPx)IPx3 vs IPx5+67%
  5. Storage (base)128 GB vs 256 GB2×
  6. CPU frequency2 GHz vs 2.4 GHz+20%
  7. Bluetooth5 vs 5.4+8%
Specifications

Side by side

Vivo Y21 5GVivo Y21 5G≈ $3006.3
Design
Weight210 g209 g
Thickness8.1 mm8.4 mm
Height171 mm167.4 mm
Width77.6 mm77.1 mm
FramePlastic—
BackPlastic—
Ingress protectionIP53IP65
Water resistance (IPx)IPx3IPx5
ColoursSand Black, Sand Silver—
Display
Screen size6.9″6.7″
PanelIPS LCDLCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,640 px1,600 px
Pixel density260 ppi260 ppi
Refresh rate120 Hz120 Hz
Peak brightness450 nits1,200 nits
Screen-to-body ratio85.2%—
Performance
ChipsetMediatek Helio G81Mediatek Dimensity 6300
Chip makerMediaTekMediatek
Process12 nm—
CPU cores88
CPU frequency2 GHz2.4 GHz
GPUMali-G52 MC2Mali G57 MC2
Memory
RAM8 GB4 GB
Storage (max)256 GB256 GB
Storage (base)128 GB256 GB
Memory card slotYesYes
Camera
Main camera50 MP50 MP
Main camera aperture—f/1.8
Rear cameras22
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p—
Selfie camera16 MP5 MP
4K selfie videoNo—
Battery
Battery capacity6,000 mAh1,200 mAh
Battery type—Li-Ion
Wired charging20 W44 W
Charged in 30 min—52%
Wireless chargingNoNo
Reverse wireless charging—Yes
Connectivity
5GNoYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5—
Bluetooth55.4
NFCYesYes
USBUSB Type-CUSB Type-C
USB version—2
Satellite navigationGLONASS, GALILEO, BDSGPS, GLONASS, BDS, QZSS
Features
Stereo speakersNo—
3.5 mm headphone jackYesNo
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximityproximity, accelerometer, light, compass, fingerprint
Software
OS at launchAndroid 15Android 16
PlatformAndroidAndroid
Interface—OriginOS 6
EU label
Battery charge cycles—1,600
Endurance per cycle—52 h
Repairability class—C
Drop resistance class—A
To compare: 0up to 4 models
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