eReader comparison
Onyx Boox Note Air 2 vs Lenovo Smart Paper Comparison
A detailed, side-by-side comparison to help you pick the right eReader.
Onyx
Onyx Boox Note Air 2
Lenovo
Lenovo Smart Paper
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Verdict
Pros & cons
Boox Note Air 2
A versatile device for reading, editing, and note-taking with flexibility in format and app support.
+
What's good
+
Flexible format support
+
Lightweight design
+
Paper-like writing feel
+
Good battery life
+
Android system with apps
−
What's not
−
High price
−
Slight note-taking lag
−
Not waterproof
−
Laggy E Ink panel
−
Limited storage expansion
Smart Paper
Boox Note Air 2
A versatile device for reading, editing, and note-taking with flexibility in format and app support.
+
Good
+
Flexible format support
+
Lightweight design
+
Paper-like writing feel
+
Good battery life
+
Android system with apps
−
Not
−
High price
−
Slight note-taking lag
−
Not waterproof
−
Laggy E Ink panel
−
Limited storage expansion
Smart Paper
Spec data
How they compare
Boox Note Air 2
Smart Paper
Processor
Qualcomm Qualcomm Snapdragon 662 Octa-core 2 GHz
Rockchip RK3566 Quad-core 1.8 GHz
Display
Grayscale
Grayscale
Weight
420g (14.8 oz)
408g (14.4 oz)
Highlighted cells indicate the stronger value where a clear winner exists.
Spec data
How they compare
Boox Note Air 2
Smart Paper
Processor
Qualcomm Qualcomm Snapdragon 662 Octa-core 2 GHz
Processor
Rockchip RK3566 Quad-core 1.8 GHz
Display
Grayscale
Display
Grayscale
Weight
420g (14.8 oz)
Weight
408g (14.4 oz)
Highlighted cells indicate the stronger value where a clear winner exists.
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Physical comparison
Size & weight
Footprint · to scale
Boox Note Air 2
9" × 7.7"
Smart Paper
8.9" × 7.7"
Thickness · to scale
Boox Note Air 2
0.2"
Smart Paper
0.2"
Boox Note Air 2
Smart Paper
Height
9" (229.4 mm)
8.9" (226 mm)
Width
7.7" (195.4 mm)
7.7" (195 mm)
Depth
0.2" (5.8 mm)
0.2" (5.5 mm)
Weight
420g (14.8 oz)
408g (14.4 oz)
Screen
10.3"
10.3"
Height
9" (229.4 mm)
Height
8.9" (226 mm)
Width
7.7" (195.4 mm)
Width
7.7" (195 mm)
Depth
0.2" (5.8 mm)
Depth
0.2" (5.5 mm)
Weight
420g (14.8 oz)
Weight
408g (14.4 oz)
Screen
10.3"
Screen
10.3"
Dimensions shown in inches (mm). Silhouettes are proportionally scaled for visual comparison.
Specifications sourced from manufacturers and third-party databases. Last updated November 2026. Suggest a correction →