| Product |
Vivo X21i
|
Google Pixel 9a
|
| Battery |
| Charging |
18W wired |
23W wired, PD3.0
7.5W wireless
Bypass charging |
| Type |
Li-Ion 3425 mAh, non-removable |
Li-Po 5100 mAh |
| Body |
| Build |
- |
Glass front (Gorilla Glass 3), aluminum frame, plastic back |
| Dimensions |
154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in) |
154.7 x 73.3 x 8.9 mm (6.09 x 2.89 x 0.35 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + eSIM |
| Weight |
159 g (5.61 oz) |
186 g (6.56 oz) |
| |
- |
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
5.3, A2DP, LE |
| NFC |
No |
Yes |
| Positioning |
GPS, GLONASS |
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC |
| Radio |
FM radio |
No |
| USB |
microUSB 2.0, OTG |
USB Type-C 3.2 |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
Wi-Fi 802.11 a/b/g/n/ac/6e, dual/tri-band (market/region dependent) |
| Display |
| Protection |
- |
Corning Gorilla Glass 3 |
| Resolution |
1080 x 2280 pixels, 19:9 ratio (~402 ppi density) |
1080 x 2424 pixels, 20:9 ratio (~422 ppi density) |
| Size |
6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio) |
6.3 inches, 94.7 cm2 (~83.5% screen-to-body ratio) |
| Type |
Super AMOLED |
P-OLED, HDR, 120Hz, 1800 nits (HBM), 2700 nits (peak) |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, proximity, compass |
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer |
| |
- |
Circle to Search |
| Launch |
| Announced |
2018, May. Released 2018, May |
2025, March 19 |
| Status |
Discontinued |
Available. Released 2025, April 10 |
| Main Camera |
| Dual |
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF
5 MP, f/2.4, (depth) |
48 MP, f/1.7, 25mm (wide), 1/2.0", 0.8µm, dual pixel PDAF, OIS
13 MP, f/2.2, 120˚ (ultrawide), 1/3.1", 1.12µm |
| Features |
LED flash, HDR, panorama |
Dual-LED flash, Pixel Shift, Ultra HDR, panorama, Best Take |
| Video |
1080p@30fps |
4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS |
| Memory |
| Card slot |
microSDXC (uses shared SIM slot) |
No |
| Internal |
64GB 6GB RAM, 128GB 4GB RAM |
128GB 8GB RAM, 256GB 8GB RAM |
| |
eMMC 5.1 |
UFS 3.1 |
| Misc |
| Colors |
Black, Aurora White, Ruby Red, Night Purple |
Obsidian, Porcelain, Iris, Peony |
| Models |
X21i A |
GXQ96, GTF7P, G3Y12 |
| SAR EU |
- |
0.99 W/kg (head) 1.39 W/kg (body) |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 2100 |
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands |
1, 3, 4, 5, 8, 38, 39, 40, 41 |
1, 2, 3, 4, 5, 7, 8, 12, 14, 17, 18, 19, 20, 21, 26, 28, 32, 38, 39, 40, 41, 42, 66, 75 - International |
| 5G bands |
- |
1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 66, 75, 77, 78, 79 SA/NSA/Sub6 - International |
| Speed |
HSPA, LTE |
HSPA, LTE (CA), 5G |
| Technology |
GSM / CDMA / HSPA / LTE |
GSM / HSPA / LTE / 5G |
| |
CDMA 800 & TD-SCDMA |
1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 70, 71, 77, 78 SA/NSA/Sub6 - USA |
| Platform |
| Chipset |
Mediatek MT6771 Helio P60 (12 nm) |
Google Tensor G4 (4 nm) |
| CPU |
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) |
Octa-core (1x3.1 GHz Cortex-X4 & 3x2.6 GHz Cortex-A720 & 4x1.9 GHz Cortex-A520) |
| GPU |
Mali-G72 MP3 |
Mali-G715 MP7 |
| OS |
Android 8.1 (Oreo), Funtouch 4 |
Android 15, up to 7 major Android upgrades |
| Selfie camera |
| Features |
- |
HDR, panorama |
| Single |
24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm |
13 MP, f/2.2, 20mm (ultrawide), 1/3.1", 1.12µm |
| Video |
|
4K@30fps, 1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
No |
| Loudspeaker |
Yes |
Yes, with stereo speakers |
| |
32-bit/192kHz Hi-Res audio |
- |
| Tests |
| Battery (new) |
- |
Active use score 12:42h |
| Loudspeaker |
- |
-27.2 LUFS (Good) |
