vivo Y21d 4GB
6.68″ IPS LCD display (90 Hz), Unisoc T7225, 4 GB RAM, 4 GB storage, 50 MP main camera, 6500 mAh battery, Android 15.
Spec score
Data evidence: 68 %
Strengths
- Build & comfort — 91.5
Weaknesses
- Camera hardware — 29.8
Is it a real upgrade?
Compared against frozen reference profiles of popular older phones, scored by the identical algorithm. Only spec-derived facts — no guesswork.
Not a clear upgrade Spec score: +14.8
- Smoothness +31.2
- Battery +21.9
- Longevity +17.2
- Screen +16.9
- Basics +11.5
- Build & comfort -8.5
Not a clear upgrade Spec score: -1.3
- Battery +16.2
- Longevity +9.7
- Smoothness +7.4
- Build & comfort +4.6
- Screen -11.7
- Camera hardware -22.1
- Basics -23.5
Not a clear upgrade Spec score: -12.1
- Battery +18.6
- Build & comfort -3.2
- Smoothness -10.4
- Screen -19.9
- Basics -23.5
- Camera hardware -48.1
Not a clear upgrade Spec score: -6.1
- Battery +13.8
- Longevity +9.7
- Build & comfort +4.6
- Smoothness +3
- Screen -14.9
- Basics -23.5
- Camera hardware -39.8
Not a clear upgrade Spec score: +6.9
- Smoothness +26.6
- Battery +23.1
- Longevity +16.1
- Screen -3.2
- Basics -3.5
- Build & comfort -8.5
- Camera hardware -15.3
Not a clear upgrade Spec score: -5.8
- Battery +16.2
- Smoothness +5.4
- Build & comfort +4.6
- Screen -14.9
- Basics -23.5
- Camera hardware -37.1
Not a clear upgrade Spec score: -10.4
- Battery +16.2
- Longevity +4.1
- Build & comfort -3.2
- Screen -17.4
- Basics -23.5
- Camera hardware -49.5
Not a clear upgrade Spec score: -13.1
- Battery +18.6
- Build & comfort -3.2
- Smoothness -10.1
- Longevity -10.7
- Screen -19.9
- Basics -23.5
- Camera hardware -48.1
Not a clear upgrade Spec score: +6.7
- Battery +26.7
- Basics +16.5
- Longevity +14.4
- Smoothness +12.3
- Screen +9.2
- Build & comfort -3.2
- Camera hardware -25.8
Not a clear upgrade Spec score: -0.7
- Battery +26.7
- Longevity +6.9
- Smoothness +6.2
- Build & comfort -3.2
- Basics -3.5
- Screen -13.4
- Camera hardware -28.8
Not a clear upgrade Spec score: +10.2
- Battery +27.4
- Basics +16.5
- Longevity +14.4
- Smoothness +14.1
- Screen +9.2
- Build & comfort +8
- Camera hardware -15.6
Not a clear upgrade Spec score: +1
- Longevity +24.9
- Build & comfort +11.2
- Battery +11
- Smoothness +8.9
- Basics -3.5
- Screen -18.3
- Camera hardware -23.2
Not a clear upgrade Spec score: +2.8
- Longevity +20.4
- Build & comfort +20.2
- Battery +10.7
- Smoothness -3.1
- Basics -3.5
- Camera hardware -18.4
Not a clear upgrade Spec score: -3.6
- Battery +14.7
- Longevity +12.9
- Build & comfort -8
- Screen -11.5
- Camera hardware -18.9
- Basics -23.5
Not a clear upgrade Spec score: -10.8
- Battery +13.9
- Smoothness -8.5
- Longevity -10.7
- Screen -11.9
- Basics -23.5
- Camera hardware -42
Not a clear upgrade Spec score: -9
- Longevity +12.9
- Battery +8.9
- Smoothness -5.2
- Build & comfort -8.5
- Screen -10.8
- Basics -23.5
- Camera hardware -38.6
Spec score
Scores are computed against fixed published anchors (algorithm 1.0.0). See the methodology. Methodology
How much of this score rests on verified data; unknown values shrink toward a neutral 50 and lower the evidence.
Camera scores measure hardware potential (sensor, optics, stabilization) — not lab-tested photo quality.
Score caps applied
- No 5G — future-proofing limited, overall capped at 82.
Specifications
Display
| Display size | 6.68 in |
|---|---|
| Display technology | IPS LCD |
| Display resolution | 1610x720 unverified |
| Refresh rate | 90 Hz |
Performance
| Chipset | Unisoc T7225 |
|---|
Memory and storage
| RAM | 4 GB |
|---|---|
| Storage | 4 GB |
Battery and charging
| Battery capacity | 6500 mAh |
|---|---|
| Wired charging | 44 W |
Cameras
| Main camera | 50 MP |
|---|---|
| Selfie camera | 5 MP |
Build and durability
| Weight | 209 g |
|---|---|
| Dimensions | 166.14 x 77.01 x 8.39 mm |
| IP rating | IP69 unverified |
Software
| Operating system | Android 15 |
|---|
Connectivity
| 5G support | No |
|---|---|
| NFC | Yes unverified |
Sources
Facts are verified against the sources below; unverified values are marked as unverified.
- GSMArena — gsmarena.com