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  3. Ultra Pad vs Tab K12

AlldoCube Ultra Pad vs Lenovo Tab K12

What Ultra Pad does better (10) and where Tab K12 wins (3) — every spec side by side.

AlldoCube Ultra Pad
AlldoCube · 2025Ultra Pad
9.1Score
10 advantages≈ $270
Higher score
vs
Lenovo Tab K12
Lenovo · 2025Tab K12
8.8Score
3 advantages≈ $350
8.4Display7.5
8.1Battery8.8
8.5Memory & storage7.0
Dimensions

Size comparison

Ultra PadTab K12
191.1 × 87.6181 × 66.5
Ultra PadTab K12Difference
Height8 mm6 mm+2 mm
Width191.1 mm181 mm+10 mm
Thickness7.6 mm6.5 mm+1.1 mm

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

Why is Ultra Pad better than Tab K12?

  1. Battery capacity15,000 mAh vs 10,200 mAh+47%
  2. Refresh rate144 Hz vs 90 Hz+60%
  3. Screen size13″ vs 12.1″+7%
  4. Storage (base)256 GB vs 128 GB2×
  5. Pixel density264 ppi vs 249 ppi+6%
  6. Resolution (short side)1,840 px vs 1,600 px+15%
  7. Resolution (long side)2,880 px vs 2,560 px+12%
  8. Battery charge cycles1,100 vs 1,000+10%
  9. Screen-to-body ratio88.1% vs 84.1%+5%
  10. Bluetooth5.4 vs 5.2+4%

Why is Tab K12 better than Ultra Pad?

  1. Wired charging33 W vs 45 W+36%
  2. Repairability classB vs A
  3. Thickness7.6 mm vs 6.5 mm+17%
Specifications

Side by side

Lenovo Tab K12Lenovo Tab K12≈ $3508.8
Design
Weight—530 g
Thickness7.6 mm6.5 mm
Height8 mm6 mm
Width191.1 mm181 mm
Ingress protectionIP42IP52
Water resistance (IPx)IPx2IPx2
ColoursBlackCloud Gray, Luna Gray, Sand Rose
Display
Screen size13″12.1″
PanelIPS TFTIPS TFT
OLED panelNoNo
Resolution (short side)1,840 px1,600 px
Resolution (long side)2,880 px2,560 px
Pixel density264 ppi249 ppi
Refresh rate144 Hz90 Hz
Peak brightness600 nits600 nits
Screen-to-body ratio88.1%84.1%
Performance
ChipsetQualcomm SnapdragonMediaTek Dimensity
Chip makerQualcommMediaTek
Memory
RAM12 GB12 GB
Storage (max)256 GB256 GB
Storage (base)256 GB128 GB
Memory card slotYesYes
Battery
Battery capacity15,000 mAh10,200 mAh
Wired charging33 W45 W
Wireless chargingNoNo
Connectivity
Cellular (LTE)NoNo
5G—Yes
eSIM—No
Dual SIM—No
Bluetooth5.45.2
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
Interface—ZUI 17
EU label
Energy classF—
Battery charge cycles1,1001,000
Endurance per cycle75 h—
Repairability classBA
Drop resistance classEE
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