Screen size
Curve 85202.5"
Q5Winner: 3.1"+21%
Quick verdict
Q5 leads the measured specs 13-1.
Measured wins
Curve 8520
1
spec wins
Ties
3
equal specs
Q5
13
spec wins
Overall winner
Screen size
Technology
Curve 8520
GSM
Q5
GSM / HSPA / LTE
2G bands
Curve 8520
GSM 850 / 900 / 1800 / 1900
Q5
GSM 850 / 900 / 1800 / 1900 - all versions
GPRS
Curve 8520
Class 10
Q5
-
EDGE
Curve 8520
Class 10
Q5
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
-
3G bands
Curve 8520
-
Q5
HSDPA 800 / 850 / 1700 / 1900 / 2100 - SQR100-1, HSDPA 850 / 900 / 1900 / 2100 - SQR100-2, SQR100-3
4G bands
Curve 8520
-
Q5
2, 4, 5, 17 - SQR100-1, 3, 7, 8, 20 - SQR100-2
Speed
Curve 8520
-
Q5
HSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps
Announced
Curve 8520
2009, July. Released 2009, August
Q5
2013, May. Released 2013, June
Status
Curve 8520
Discontinued
Q5
Discontinued
Dimensions
Curve 8520
109 x 60 x 13.9 mm (4.29 x 2.36 x 0.55 in)
Q5
120 x 66 x 10.8 mm (4.72 x 2.60 x 0.43 in)
Weight
Curve 8520
106 g (3.74 oz)
Q5
120 g (4.23 oz)
Keyboard
Curve 8520
QWERTY
Q5
QWERTY
SIM
Curve 8520
Mini-SIM
Q5
Micro-SIM
Other
Curve 8520
Optical trackpad
Q5
-
Type
Curve 8520
TFT, 65K colors
Q5
IPS LCD
Size
Curve 8520
2.46 inches, 18.7 cm2 (~28.7% screen-to-body ratio)
Q5
3.1 inches, 31.0 cm2 (~39.1% screen-to-body ratio)
Resolution
Curve 8520
320 x 240 pixels, 4:3 ratio (~163 ppi density)
Q5
720 x 720 pixels, 1:1 ratio (~328 ppi density)
OS
Curve 8520
BlackBerry OS 5.0
Q5
BlackBerry OS 10.2, upgradable to 10.3.1
CPU
Curve 8520
512 MHz
Q5
Dual-core 1.2 GHz Krait
Chipset
Curve 8520
-
Q5
Qualcomm MSM8960 Snapdragon S4 Plus
GPU
Curve 8520
-
Q5
Adreno 225
Card slot
Curve 8520
microSDHC (dedicated slot)
Q5
microSDHC (dedicated slot)
Internal
Curve 8520
256MB
Q5
8GB 2GB RAM
Single
Curve 8520
2 MP
Q5
5 MP, f/2.4, 30mm (standard), AF
Video
Curve 8520
320p
Q5
1080p@30fps
Features
Curve 8520
-
Q5
LED flash, HDR, panorama
Other
Curve 8520
No
Q5
-
Single
Curve 8520
-
Q5
2 MP
Video
Curve 8520
-
Q5
720p
Loudspeaker
Curve 8520
Yes
Q5
Yes
3.5mm jack
Curve 8520
Yes
Q5
Yes
Other
Curve 8520
Dedicated music keys
Q5
-
WLAN
Curve 8520
Wi-Fi 802.11b/g
Q5
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Curve 8520
2.0, A2DP
Q5
4.0, A2DP, LE
Positioning
Curve 8520
No
Q5
GPS
Radio
Curve 8520
No
Q5
FM radio (after SW upgrade)
USB
Curve 8520
microUSB
Q5
microUSB 2.0
NFC
Curve 8520
-
Q5
Yes (market dependent)
Sensors
Curve 8520
Q5
Accelerometer, gyro, proximity, compass
Browser
Curve 8520
HTML
Q5
-
Other
Curve 8520
MP3/eAAC+/WMA/WAV player MP4/H.264/WMV player Organizer Voice memo/dial Predictive text input
Q5
-
Type
Curve 8520
Removable Li-Ion 1150 mAh battery
Q5
Li-Ion 2180 mAh, non-removable
Stand-by
Curve 8520
Up to 408 h
Q5
Up to 336 h (3G)
Talk time
Curve 8520
Up to 4 h 30 min
Q5
Up to 12 h 30 min (3G)
Colors
Curve 8520
Black
Q5
Black, White, Red, Gray, Pink
SAR
Curve 8520
1.22 W/kg (head) 0.83 W/kg (body)
Q5
1.33 W/kg (head) 0.85 W/kg (body)
SAR EU
Curve 8520
1.02 W/kg (head) 0.78 W/kg (body)
Q5
1.38 W/kg (head) 0.85 W/kg (body)
Price
Curve 8520
About 70 EUR
Q5
About 70 EUR