Tecno Spark 30C vs Tecno Spark 40
Tecno Spark 40 — Pick the Tecno Spark 40 — it leads these groups: Battery 1 Performance 1
Tap a group name to see the proof · The scoring method is public
The short answer
Tecno Spark 40 wins this comparison with a score of 34/100, ahead of Tecno Spark 30C (31).
The main differences: Screen size (6.7 in vs 6.8 in) · Pixel density (263 ppi vs 260 ppi) · Battery capacity (5000 mAh vs 6000 mAh).
Scores are computed from 23 public spec attributes; missing values stay marked unknown in tables and are imputed at the category median, never passed off as measured.
At a glance
0–100 per group, normalized within the category · Tap a group for details
How to choose
Pick the Tecno Spark 30C if you care about…
- Pixel density 263 ppi +3 ppi vs 260 ppi
- Selfie camera 8 MP +3 MP vs 5 MP
- Length 165 mm +2.7 mm vs 167.7 mm
- Width 77 mm +0.9 mm vs 77.9 mm
Pick the Tecno Spark 40 if you care about…
- Screen size 6.8 in +0.1 in vs 6.7 in
- Battery capacity 6000 mAh +1000 mAh vs 5000 mAh
- Storage 128 GB +64 GB vs 64 GB
- Main camera 50 MP +2 MP vs 48 MP
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Where they differ
11 · Only rows that actually differ, with a verdict per row
| Tecno Spark 30C | Tecno Spark 40 | Where they differ | |
|---|---|---|---|
| Screen size | 6.7 in | 6.8 in | Tecno Spark 40 |
| Pixel density | 263 ppi | 260 ppi | Tecno Spark 30C |
| Battery capacity | 5000 mAh | 6000 mAh | Tecno Spark 40 |
| Chipset | Dimensity 6300 | Dimensity 6400 | Depends |
| OS | Android 14 | Android 15 | Depends |
| Storage | 64 GB | 128 GB | Tecno Spark 40 |
| Main camera | 48 MP | 50 MP | Tecno Spark 40 |
| Selfie camera | 8 MP | 5 MP | Tecno Spark 30C |
| Length | 165 mm | 167.7 mm | Tecno Spark 30C |
| Width | 77 mm | 77.9 mm | Tecno Spark 30C |
| Colors | Aurora Cloud, Azure Sky, Midnight Shadow | Sky Blue, Ink Black, Turquoise Green, Bikaner Red | Depends |
The record
Grouped and collapsible · Tap a group to fold
Display4▾
| Tecno Spark 30C | Tecno Spark 40 | |
|---|---|---|
| Screen size | 6.7 in | 6.8 in |
| Refresh rate | 120 Hz | 120 Hz |
| Pixel density | 263 ppi | 260 ppi |
| Display type | IPS LCD | IPS LCD |
Battery3▾
| Tecno Spark 30C | Tecno Spark 40 | |
|---|---|---|
| Battery capacity | 5000 mAh | 6000 mAh |
| Wired charging | 18 W | 18 W |
| Wireless charging | — | — |
Performance4▾
| Tecno Spark 30C | Tecno Spark 40 | |
|---|---|---|
| RAM | 4 GB | 4 GB |
| Chipset | Dimensity 6300 | Dimensity 6400 |
| OS | Android 14 | Android 15 |
| Storage | 64 GB | 128 GB |
Camera2▾
| Tecno Spark 30C | Tecno Spark 40 | |
|---|---|---|
| Main camera | 48 MP | 50 MP |
| Selfie camera | 8 MP | 5 MP |
Design6▾
| Tecno Spark 30C | Tecno Spark 40 | |
|---|---|---|
| Weight | — | 194 g |
| Thickness | 8 mm | 8 mm |
| Water resistant (IP68) | — | — |
| Length | 165 mm | 167.7 mm |
| Width | 77 mm | 77.9 mm |
| Colors | Aurora Cloud, Azure Sky, Midnight Shadow | Sky Blue, Ink Black, Turquoise Green, Bikaner Red |
Memory1▾
| Tecno Spark 30C | Tecno Spark 40 | |
|---|---|---|
| Memory card slot | ✓ | ✓ |
Platform1▾
| Tecno Spark 30C | Tecno Spark 40 | |
|---|---|---|
| CPU cores | 8 | 8 |
Features2▾
| Tecno Spark 30C | Tecno Spark 40 | |
|---|---|---|
| Face unlock | — | — |
| Fingerprint sensor | ✓ | ✓ |
Data sources: GSMArena
FAQ
Which is better, Tecno Spark 30C or Tecno Spark 40?
Tecno Spark 40 has the higher overall score (34 vs 31) and leads in Battery, Performance. Choose Tecno Spark 30C instead if Pixel density matters more to you.
What are the main differences?
The main differences: Screen size (6.7 in vs 6.8 in) · Pixel density (263 ppi vs 260 ppi) · Battery capacity (5000 mAh vs 6000 mAh).
How are the scores calculated?
We normalize 23 public spec attributes within the category and weight them by group into a 0–100 score; missing values are inherited from spec-identical twins or imputed at the category median, so a sparse spec sheet never earns an advantage. The methodology is public.