Xiaomi Redmi 15 vs Vivo Y21d 8GB

XIAOMI REDMI 15

Rs. 56,999

Xiaomi Redmi 15
Key Specs
Display 6.9""
Battery 7000 mAh
Camera 50 MP + Auxiliary lens
Storage 128GB Built-in
Network
Technology GSM / HSPA / LTE / 5G
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 48, 66, 71
5G bands 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 71 SA/NSA
Speed HSPA, LTE, 5G
Launch
Announced 2025, August
Status Available. Released 2025, September 29
Body
Dimensions 169.5 x 80.5 x 8.4 mm (6.67 x 3.17 x 0.33 in)
Weight 217 g (7.65 oz)
SIM Nano-SIM + Nano-SIM
 IP64 dust tight and water resistant (water splashes)
Display for Xiaomi Redmi 15
Type IPS LCD, 144Hz, 600 nits (typ), 700 nits (HBM), 850 nits (peak)
Size 6.9 inches, 116.9 cm2 (~85.7% screen-to-body ratio)
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~374 ppi density)
Protection Corning Gorilla Glass 3, Mohs level 6
Platform
OS Android 15, HyperOS 2.2
Chipset Qualcomm SM6375 Snapdragon 6s Gen 3 (6 nm)
CPU Octa-core (2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU Adreno 619
Memory
Card slot microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM
 UFS 2.2
Main Camera
Dual 50 MP, f/1.8, (wide), 1/2.88" 0.61μm, PDAF
Auxiliary lens
Features LED flash, HDR
Video 1080p@30fps
Selfie camera
Single 8 MP, f/2.0, (wide)
Features HDR
Video 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack No
 24-bit/192kHz Hi-Res audio
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.1, A2DP, LE, aptX
Positioning GPS, GLONASS, GALILEO, BDS
NFC Yes (market/region dependent)
Infrared port Yes
Radio No
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, compass
 Virtual proximity sensing
Circle to Search
Battery
Type 7000 mAh
Charging 33W wired, PD 2.0, PPS, QC3
18W reverse wired
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✕ VIVO Y21D 8GB

Rs. 56,999

Vivo Y21d 8GB
Key Specs
Display 6.68""
Battery 6500 mAh
Camera 50 MP + 0.08 MP
Storage 128GB Built-in
Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 28, 38, 40, 41
Speed HSPA, LTE
Launch
Announced 2025, October 11
Status Available. Released 2025, October
Body
Dimensions 166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in)
Weight 209 g (7.37 oz)
Build Glass front, plastic back, plastic frame
SIM Nano-SIM + Nano-SIM
 IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 6m for 30 min)
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
Display for Vivo Y21d 8GB
Type IPS LCD, 90Hz, 1000 nits (HBM)
Size 6.68 inches, 107.4 cm2 (~84.0% screen-to-body ratio)
Resolution 720 x 1608 pixels, 20:9 ratio (~264 ppi density)
Protection Ion strengthened glass
Platform
OS Android 15, Funtouch 15
Chipset Unisoc T7225 (12 nm)
CPU Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Arm Mali G57
Memory
Card slot microSDXC (dedicated slot)
Internal 128GB 8GB RAM
 eMMC 5.1
Main Camera
Dual 50 MP, f/1.8, (wide), PDAF
0.08
Features Ring-LED flash, panorama
Video 1080p@30fps
Selfie camera
Single 5 MP, f/2.2
Video Yes
Sound
Loudspeaker Yes, with stereo speakers
3.5mm jack No
 24-bit/192kHz Hi-Res audio
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.2, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS, QZSS
NFC No
Radio FM radio
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass
Battery
Type Si/C Li-Ion 6500 mAh
Charging 44W Fast Charging
Reverse wired