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  3. Tab K12 vs Galaxy Tab S10 Ultra

Lenovo Tab K12 vs Samsung Galaxy Tab S10 Ultra

What Tab K12 does better (3) and where Galaxy Tab S10 Ultra wins (16) — every spec side by side.

Lenovo Tab K12
Lenovo · 2025Tab K12
8.8Score
3 advantages≈ $350
vs
Samsung Galaxy Tab S10 Ultra
Samsung · 2024Galaxy Tab S10 Ultra
9.5Score
16 advantages≈ $1,750
Higher score
7.5Display9.3
8.8Battery8.5
7.0Memory & storage9.7

Why is Tab K12 better than Galaxy Tab S10 Ultra?

  1. Weight530 g vs 718 g+35%
  2. Repairability classA vs C
  3. Pixel density249 ppi vs 239 ppi+4%

Why is Galaxy Tab S10 Ultra better than Tab K12?

  1. Storage (max)256 GB vs 1,024 GB4×
  2. OLED panelNo · Tab K12: Yes
  3. Cellular (LTE)No · Tab K12: Yes
  4. Refresh rate90 Hz vs 120 Hz+33%
  5. RAM12 GB vs 16 GB+33%
  6. Battery capacity10,200 mAh vs 11,200 mAh+10%
  7. Screen size12.1″ vs 14.6″+21%
  8. Peak brightness600 nits vs 930 nits+55%
  9. Water resistance (IPx)IPx2 vs IPx84×
  10. Storage (base)128 GB vs 256 GB2×
  11. eSIMNo · Tab K12: Yes
  12. Battery charge cycles1,000 vs 2,0002×
Specifications

Side by side

Lenovo Tab K12Lenovo Tab K12≈ $3508.8
Design
Weight530 g718 g
Thickness6.5 mm5.4 mm
Height6 mm326.4 mm
Width181 mm208.6 mm
Frame—Aluminium
Back—Aluminium
Ingress protectionIP52IP68
Water resistance (IPx)IPx2IPx8
Glass protection—Gorilla Glass 5
ColoursCloud Gray, Luna Gray, Sand RoseMoonstone Gray, Platinum Silver
Display
Screen size12.1″14.6″
PanelIPS TFTDynamic AMOLED 2X
OLED panelNoYes
Resolution (short side)1,600 px1,848 px
Resolution (long side)2,560 px2,960 px
Pixel density249 ppi239 ppi
Refresh rate90 Hz120 Hz
Peak brightness600 nits930 nits
Measured brightness—603 nits
Screen-to-body ratio84.1%90.7%
HDR—Yes
Performance
ChipsetMediaTek DimensityMediatek Dimensity 9300+
Chip makerMediaTekMediaTek
Process—4 nm
CPU cores—8
CPU frequency—3.4 GHz
GPU—Immortalis-G720 MC12
AnTuTu score—2,347,116
Geekbench 6 (multi-core)—7,125
3DMark Wild Life Extreme—5,298
Memory
RAM12 GB16 GB
Storage (max)256 GB1,024 GB
Storage (base)128 GB256 GB
Storage type—UFS 4.0
Memory card slotYesYes
Battery
Battery capacity10,200 mAh11,200 mAh
Battery type—Li-Po
Wired charging45 W45 W
Wireless chargingNoNo
Connectivity
Cellular (LTE)NoYes
5GYesYes
eSIMNoYes
Dual SIMNoYes
Wi-Fi standard—Wi-Fi 7
Bluetooth5.25.3
USB—USB Type-C 3.2
USB version—3.2
Video output (USB-C / DisplayPort)—Yes
NFC—No
GPS—Yes
Satellite navigation—GLONASS, GALILEO, BDS
Features
Stylus support—Yes
Stereo speakers—Yes
3.5 mm headphone jack—No
Fingerprint sensor—Under display
Sensors—Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Cameras
Rear camera—13 MP
Rear camera aperture—f/2
Rear cameras—2
Ultra-wide camera—Yes
Optical stabilisation—No
Max video—4K
4K video frame rate—30 fps
Front camera—12 MP
4K front-camera video—Yes
Software
OS at launchAndroid 15Android 14
PlatformAndroidAndroid
InterfaceZUI 17One UI 6.1
EU label
Energy class—G
Battery charge cycles1,0002,000
Endurance per cycle—85 h
Repairability classAC
Drop resistance classEE
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