Sony Xperia XA1 Ultra vs Xiaomi Redmi 15C 6GB

Key Specs
Display 6"
Battery 2700 mAh
Camera 23 MP
Storage 32 GB 4 GB RAM

Also known as Sony Xperia XA1 Ultra Dual with dual-SIM card slots

Network
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (G3212, G3226)
3G bandsHSDPA 850 / 900 / 1900 / 2100 - G3221, G3212
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - G3223
4G bandsLTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - G3221, G3212
LTE band 2(1900), 4(1700/2100), 5(850), 7(2600), 12(700), 13(700), 17(700), 28(700), 29(700), 66(1700/2100) - G3223
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - G3226
SpeedHSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
GPRSYes
EDGEYes
Launch
Announced2017, February
StatusAvailable. Released 2017, May
Body
Dimensions165 x 79 x 8.1 mm (6.50 x 3.11 x 0.32 in)
Weight188 g (6.63 oz)
BuildAluminum sides, plastic body
SIMSingle SIM (Nano-SIM) - G3221, G3223
Dual SIM (Nano-SIM, dual stand-by) - G3212, G3226
Display for Sony Xperia XA1 Ultra
TypeIPS LCD capacitive touchscreen, 16M colors
Size6.0 inches, 99.2 cm2 (~76.1% screen-to-body ratio)
Resolution1080 x 1920 pixels, 16:9 ratio (~367 ppi density)
MultitouchYes, up to 4 fingers
ProtectionCorning Gorilla Glass 4
Platform
OSAndroid 7.0 (Nougat), planned upgrade to Android 8.0 (Oreo)
ChipsetMediatek MT6757 Helio P20
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
GPUMali-T880MP2
Memory
Card slotmicroSD, up to 256 GB
Internal32 GB, 4 GB RAM - G3221, G3223
32 GB (G3212)/ 64 GB(G3226), 4 GB RAM
Camera
Primary23 MP (f/2.0, 24mm, 1/2.3"), phase detection autofocus, LED flash
FeaturesGeo-tagging, touch focus, face/smile detection, HDR, panorama
Video1080p@30fps, stereo sound rec., HDR
Secondary16 MP (f/2.0, 23mm, 1/2.6"), OIS, autofocus, LED flash, 1080p
Sound
Alert typesVibration; MP3, WAV ringtones
Loudspeaker Yes
3.5mm jack Yes
- Active noise cancellation with dedicated mic
Comms
WLANWi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot
Bluetooth4.2, A2DP, aptX, LE
GPSYes, with A-GPS, GLONASS
NFCYes
RadioFM radio
USB2.0, Type-C 1.0 reversible connector; USB Host
Features
SensorsAccelerometer, proximity, compass
MessagingSMS (threaded view), MMS, Email, IM, Push Email
BrowserHTML5
- Fast battery charging (Pump Express+ 2.0)
- Xvid/MP4/H.265 player
- MP3/eAAC+/WAV/Flac player
- Document viewer
- Photo/video editor
Battery
Non-removable Li-Ion 2700 mAh battery
Stand-byUp to 658 h (2G) / Up to 708 h (3G)
Talk timeUp to 13 h (2G) / Up to 12 h (3G)
Tests
PerformanceBasemark OS II: 1163 / Basemark OS II 2.0: 1320
Basemark X: 9598
DisplayContrast ratio: 1579 (nominal), 3.597 (sunlight)
CameraPhoto / Video
LoudspeakerVoice 68dB / Noise 71dB / Ring 81dB
Audio qualityNoise -93.9dB / Crosstalk -91.3dB
Battery life
Endurance rating 68h
space
Key Specs
Display 6.9""
Battery 6000 mAh
Camera 50 MP + QVGA
Storage 128GB Built-in
Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands LTE
Speed HSPA, LTE
Launch
Announced 2025, August 01
Status Available. Released 2025, September
Body
Dimensions 171.6 x 79.5 x 8 mm (6.76 x 3.13 x 0.31 in)
Weight 205 g (7.23 oz)
Build Glass front (Gorilla Glass 3), plastic frame, glass back or silicone polymer (eco leather) back
SIM Nano-SIM + Nano-SIM
 IP64 dust tight and water resistant (water splashes)
Display for Xiaomi Redmi 15C 6GB
Type IPS LCD, 120Hz
Size 6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Resolution 720 x 1600 pixels, 20:9 ratio (~254 ppi density)
Protection Corning Gorilla Glass 3
Platform
OS Android 15, HyperOS 2
Chipset Mediatek Helio G81 Ultra (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G52 MC2
Memory
Card slot microSDXC (dedicated slot)
Internal 128GB 6GB RAM
Main Camera
Dual 50 MP, f/1.8, 28mm (wide), 1/2.76", 0.64µm, PDAF
QVGA, f/3.0
Features LED flash, HDR
Video 1080p@30fps
Selfie camera
Single 8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Features HDR
Video 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.4, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS
NFC Yes (market/region dependent)
Radio FM radio
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, compass
 Virtual proximity sensing
Battery
Type 6000 mAh
Charging 33W wired, PD