Onyx Boox Note Mini C vs Kobo Sage

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

Verdict

Key takeaways

  • Onyx Boox Note Mini C leads Kobo Sage overall by 11 points (79 vs 68 out of 100).
  • Key differences: only Onyx Boox Note Mini C has colour screen; storage, where Onyx Boox Note Mini C has 64 GB vs 32 GB; battery capacity, where Onyx Boox Note Mini C has 3,150 vs 1,200 mAh; resolution, where Onyx Boox Note Mini C has 2048 × 1536 vs 1440 × 1920 px; weight, where Kobo Sage is 59 g lighter.
Onyx Boox Note Mini C leads overall
Onyx Boox Note Mini C · 87 overall, #1 of 27
79
Kobo Sage · 77 overall, #9 of 27
68
Key differences
  • Colour ScreenOnyx Boox Note Mini C only
  • StorageOnyx Boox Note Mini C 64 GB vs 32 GB
  • Battery CapacityOnyx Boox Note Mini C 3,150 vs 1,200 mAh
  • ResolutionOnyx Boox Note Mini C 2048 × 1536 vs 1440 × 1920 px
  • WeightKobo Sage 59 g lighter

Scores by Category

Evenly split — each wins 2 of 5 categories

CategoryBoox Note Mini CSageLead
Display
+16
Reading Features
+6
Storage & Battery
+44
Design & Build
+8
Connectivity & Software
Tie

Physical Comparison

300 g241 g
Boox Note Mini CSage

Boox Note Mini C is 59 g (24%) heavier than Sage.

Value for Money

Launch prices — enter today's prices (same currency for both).

Detailed Specifications

Display

Feature
Boox Note Mini C
Sage
Screen Size
8.52 in6% more
8 in
Resolution
2048 × 1536 px
1440 × 1920 px
Pixel Density
300 PPI
300 PPI
Colour Screen
Yes
No
Front Light
Yes
Yes
Adjustable Warm Light
Yes
Yes

Reading Features

Feature
Boox Note Mini C
Sage
Waterproof (IPX8)
N/A
Yes
Physical Page Buttons
N/A
Yes
Stylus / Note-Taking
Yes
Yes
Audiobook Support
Yes
Yes
Native EPUB / Open Formats
Yes
Yes

Storage & Battery

Feature
Boox Note Mini C
Sage
Storage
64 GB100% more
32 GB
microSD Expansion
Yes
No
Battery Capacity
3,150 mAh163% more
1,200 mAh

Design & Build

Feature
Boox Note Mini C
Sage
Weight
300 g
241 g20% less
USB-C
Yes
Yes

Connectivity & Software

Feature
Boox Note Mini C
Sage
Bluetooth
Yes
Yes

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

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