Screen size
Crest MaxWinner: 6.7"+2.7%
XR216.5"
Quick verdict
Crest Max and XR21 are close on the measured specs.
Measured wins
Crest Max
8
spec wins
Ties
6
equal specs
XR21
8
spec wins
Screen size
Technology
Crest Max
GSM / HSPA / LTE / 5G
XR21
GSM / HSPA / LTE / 5G
2G bands
Crest Max
GSM 850 / 900 / 1800 / 1900
XR21
GSM 850 / 900 / 1800 / 1900
3G bands
Crest Max
HSDPA 850 / 900 / 2100
XR21
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Crest Max
1, 3, 5, 8, 28, 40, 41
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
XR21
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
Crest Max
1, 3, 28, 40, 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
Crest Max
HSPA, LTE, 5G
XR21
HSPA, LTE, 5G
Announced
Crest Max
2024, July 25
XR21
2024, May 14
Status
Crest Max
Available. Released 2024, August 07
XR21
Available. Released 2024, May
Dimensions
Crest Max
163.9 x 76.4 x 8.4 mm (6.45 x 3.01 x 0.33 in)
XR21
168 x 78.6 x 10.5 mm (6.61 x 3.09 x 0.41 in)
Weight
Crest Max
205 g (7.23 oz)
XR21
231 g (8.15 oz)
SIM
Crest Max
Nano-SIM + Nano-SIM
XR21
Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Other
Crest Max
Repair-it-yourself capable (display, back cover, battery and charging port repairs) Dust and splash resistant
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
Build
Crest Max
-
XR21
Glass front (Gorilla Glass Victus), plastic back, plastic frame
Type
Crest Max
OLED
XR21
IPS LCD, 120Hz, 450 nits (typ), 550 nits (HBM)
Size
Crest Max
6.67 inches, 107.4 cm2 (~85.8% screen-to-body ratio)
XR21
6.49 inches, 101.7 cm2 (~77.0% screen-to-body ratio)
Resolution
Crest Max
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
XR21
1080 x 2400 pixels, 20:9 ratio (~406 ppi density)
Protection
Crest Max
-
XR21
Corning Gorilla Glass Victus
OS
Crest Max
Android 14
XR21
Android 12
Chipset
Crest Max
Unisoc T760 (6 nm)
XR21
Qualcomm SM6375 Snapdragon 695 5G (6 nm)
CPU
Crest Max
Octa-core (1x2.2 GHz Cortex-A76 & 3x Cortex-A76 & 4x Cortex-A55)
XR21
Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)
GPU
Crest Max
Mali-G57
XR21
Adreno 619
Card slot
Crest Max
microSDXC (uses shared SIM slot)
XR21
No
Internal
Crest Max
256GB 8GB RAM
XR21
128GB 6GB RAM
Triple
Crest Max
64 MP, (wide), AF 5 MP, (ultrawide) 2 MP (macro)
XR21
-
Features
Crest Max
LED flash, HDR
XR21
Dual-LED dual-tone flash, second LED flash, HDR, panorama
Video
Crest Max
1080p@30fps
XR21
1080p@30fps
Dual
Crest Max
-
XR21
64 MP, f/1.8, (wide), 1/2.0", PDAF 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm
Single
Crest Max
50 MP
XR21
16 MP, f/2.4 (wide)
Video
Crest Max
Yes
XR21
1080p@30fps
Loudspeaker
Crest Max
Yes
XR21
Yes, with stereo speakers
3.5mm jack
Crest Max
Yes
XR21
Yes
WLAN
Crest Max
Wi-Fi 802.11 a/b/g/n/ac
XR21
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
Crest Max
5.0, A2DP, LE
XR21
5.1, A2DP, LE, aptX Adaptive
Positioning
Crest Max
GPS, GALILEO
XR21
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC
Crest Max
No
XR21
Yes
Radio
Crest Max
Unspecified
XR21
Unspecified
USB
Crest Max
USB Type-C
XR21
USB Type-C 2.0, OTG
Sensors
Crest Max
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
XR21
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Other
Crest Max
-
XR21
3-year warranty (Europe, Australia, and New Zealand)
Type
Crest Max
5000 mAh, user replaceable
XR21
Li-Po 4800 mAh
Charging
Crest Max
33W wired
XR21
33W wired, PD2.0, QC3
Colors
Crest Max
Aqua Green, Royal Pink, Deep Purple
XR21
Midnight Black
Price
Crest Max
About 180 EUR
XR21
About 600 EUR