Screen size
SkylineWinner: 6.6"+0.9%
XR216.5"
Quick verdict
Skyline leads the measured specs 12-4.
Measured wins
Skyline
12
spec wins
Overall winner
Ties
7
equal specs
XR21
4
spec wins
Screen size
Technology
Skyline
GSM / HSPA / LTE / 5G
XR21
GSM / HSPA / LTE / 5G
2G bands
Skyline
GSM 850 / 900 / 1800 / 1900
XR21
GSM 850 / 900 / 1800 / 1900
3G bands
Skyline
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
XR21
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Skyline
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66, 71
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
SD card
Stereo speakers
equal specsXR21
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71
5G bands
Skyline
1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA
XR21
1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78, 79 SA/NSA
Speed
Skyline
HSPA, LTE, 5G
XR21
HSPA, LTE, 5G
Announced
Skyline
2024, July 18
XR21
2024, May 14
Status
Skyline
Available. Released 2024, July 19
XR21
Available. Released 2024, May
Dimensions
Skyline
159.8 x 76 x 8.9 mm (6.29 x 2.99 x 0.35 in)
XR21
168 x 78.6 x 10.5 mm (6.61 x 3.09 x 0.41 in)
Weight
Skyline
209.5 g (7.41 oz)
XR21
231 g (8.15 oz)
Build
Skyline
Glass front (Gorilla Glass 3), aluminum frame, glass back
XR21
Glass front (Gorilla Glass Victus), plastic back, plastic frame
SIM
Skyline
Nano-SIM + eSIM
XR21
Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Other
Skyline
IP54 dust protected and water resistant (water splashes) Repair-it-yourself capable (display, back cover, battery and charging port repairs)
XR21
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 60 min) Drop resistant up to 1.8m MIL-STD-810H compliant
Type
Skyline
P-OLED, 144Hz, 1000 nits (peak), HDR10
XR21
IPS LCD, 120Hz, 450 nits (typ), 550 nits (HBM)
Size
Skyline
6.55 inches, 103.6 cm2 (~85.3% screen-to-body ratio)
XR21
6.49 inches, 101.7 cm2 (~77.0% screen-to-body ratio)
Resolution
Skyline
1080 x 2400 pixels, 20:9 ratio (~402 ppi density)
XR21
1080 x 2400 pixels, 20:9 ratio (~406 ppi density)
Protection
Skyline
Corning Gorilla Glass 3
XR21
Corning Gorilla Glass Victus
OS
Skyline
Android 14, upgradable to Android 15, up to 2 major Android upgrades
XR21
Android 12
Chipset
Skyline
Qualcomm SM7435-AB Snapdragon 7s Gen 2 (4 nm)
XR21
Qualcomm SM6375 Snapdragon 695 5G (6 nm)
CPU
Skyline
Octa-core (4x2.40 GHz Cortex-A78 & 4x1.95 GHz Cortex-A55)
XR21
Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)
GPU
Skyline
Adreno 710
XR21
Adreno 619
Card slot
Skyline
microSDXC
XR21
No
Internal
Skyline
128GB 8GB RAM, 256GB 12GB RAM
XR21
128GB 6GB RAM
Triple
Skyline
108 MP, f/1.8, (wide), 1/1.67", 0.64µm, PDAF, OIS 50 MP, f/2.0, (telephoto), 1/2.76", 0.64µm, PDAF, 2x optical zoom 13 MP, f/2.5, (ultrawide), 1/3", 1.12µm
XR21
-
Features
Skyline
LED flash, HDR
XR21
Dual-LED dual-tone flash, second LED flash, HDR, panorama
Video
Skyline
4K@30fps, 1080p@30fps, gyro-EIS
XR21
1080p@30fps
Dual
Skyline
-
XR21
64 MP, f/1.8, (wide), 1/2.0", PDAF 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm
Single
Skyline
50 MP, f/2.5, (wide), AF
XR21
16 MP, f/2.4 (wide)
Video
Skyline
1080p@30/60fps
XR21
1080p@30fps
Loudspeaker
Skyline
Yes, with stereo speakers
XR21
Yes, with stereo speakers
3.5mm jack
Skyline
No
XR21
Yes
WLAN
Skyline
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band
XR21
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
Skyline
5.2, A2DP, LE, aptX HD, aptX Adaptive
XR21
5.1, A2DP, LE, aptX Adaptive
Positioning
Skyline
GPS (L1+L5), GALILEO, GLONASS, BDS
XR21
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC
Skyline
Yes
XR21
Yes
Radio
Skyline
Unspecified
XR21
Unspecified
USB
Skyline
USB Type-C 2.0, OTG
XR21
USB Type-C 2.0, OTG
Sensors
Skyline
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
XR21
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Other
Skyline
-
XR21
3-year warranty (Europe, Australia, and New Zealand)
Type
Skyline
4600 mAh, user replaceable
XR21
Li-Po 4800 mAh
Charging
Skyline
33W wired, PD3.0 PPS, QC4 15W wireless (magnetic), Qi2 5W reverse wireless
XR21
33W wired, PD2.0, QC3
Colors
Skyline
Neon Pink, Twisted Black, Blue Topaz
XR21
Midnight Black
Models
Skyline
TA-1600
XR21
-
Price
Skyline
$ 336.43 / £ 249.95 / € 220.96
XR21
About 600 EUR