Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Boox - Go Color 7 | Boox - Tab Ultra C Pro |
|---|---|---|
| Weight | 195 g | 480 g |
| Storage | 64 GB | 128 GB |
| Screen size | 7 " | 10.3 " |
Between the Go Color 7 and Tab Ultra C Pro, the Go Color 7 comes out ahead in weight, while the Tab Ultra C Pro wins on storage / screen size. Overall, the Go Color 7 scores 76.1 and the Tab Ultra C Pro scores 84.3 on our Mars Score.
Which should you buy?
The Tab Ultra C Pro is the clear pick on raw spec strength, leading by 8.2 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Go Color 7 if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight. The single most decisive one: Weight — 285.00 g less. 195 vs 480.
Pick the Tab Ultra C Pro if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are storage, screen size. The single most decisive one: Storage — 100.00% more. 128 GB vs 64 GB.
Both ship with comparable resolution, waterproof, color screen, so those specs do not separate the two — focus on the differences below.
Bottom line: the Tab Ultra C Pro is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Boox - Go Color 7 or Boox - Tab Ultra C Pro?
Boox - Tab Ultra C Pro leads the current Mars Score by 8.2 points.The more useful decision is the trade-off behind that result: compare screen size, storage, weight against the way you will actually use the product.
Choose Boox - Go Color 7 if…
Boox - Go Color 7 has the measurable edge on weight g.
Choose Boox - Tab Ultra C Pro if…
Boox - Tab Ultra C Pro has the measurable edge on storage gb, screen size in.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Boox - Go Color 7 wins
- ▲Weight — 285.00 g less. 195 vs 480.
Why Boox - Tab Ultra C Pro wins
- ▲Storage — 100.00% more. 128 GB vs 64 GB.
- ▲Screen size — 47.14% more. 10.3 " vs 7 ".
Spec comparison
Display
| Spec | Boox - Go Color 7 | Boox - Tab Ultra C Pro |
|---|---|---|
| Screen size | 7 " | 10.3 "lead |
| Resolution | 300 ppi | 300 ppi |
| Color screen | true | true |
| Warm light | true | true |
Design
| Spec | Boox - Go Color 7 | Boox - Tab Ultra C Pro |
|---|---|---|
| Weight | 195 glead | 480 g |
| Waterproof | false | false |
| Page-turn buttons | truelead | false |
Storage & Battery
| Spec | Boox - Go Color 7 | Boox - Tab Ultra C Pro |
|---|---|---|
| Storageⓘ | 64 GB | 128 GBlead |
| Battery life | 4 weekslead | 2 weeks |