BlackBerry Key2 vs BLU Dash 3.5

Compare recorded specifications, size and practical differences.

BlackBerry Key2

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BLU Dash 3.5

Replace Dash 3.5

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

WeightDash 3.5: 58 g lighterDash 3.5: 110 g · Key2: 168 g
WidthDash 3.5: 9.8 mm narrowerDash 3.5: 62 mm · Key2: 71.8 mm
Screen diagonalDash 3.5: 1 in smaller diagonalDash 3.5: 3.5 in · Key2: 4.5 in
ChipsetQualcomm SDM660 Snapdragon 660 (14 nm) / Mediatek MT6572M (28 nm)Key2: Qualcomm SDM660 Snapdragon 660 (14 nm) · Dash 3.5: Mediatek MT6572M (28 nm)
Rear camera layoutDual / SingleKey2: Dual · Dash 3.5: Single
DepthKey2: 3 mm thinnerKey2: 8.5 mm · Dash 3.5: 11.5 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

Front

Side

1. Key2
Height
151.4 mm
Width
71.8 mm
Depth
8.5 mm

Weight
168 g
2. Dash 3.5
Height
115 mm
Width
62 mm
Depth
11.5 mm

Weight
110 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials

Everyday essentials
Specification	Key2	Dash 3.5
Dimensions (HxWxD)	151.4 Х 71.8 Х 8.5 mm	115 Х 62 Х 11.5 mm
Weight	168 g	110 g
Technology	IPS LCD	TFT
Screen size	4.5" inch	3.5" inch
Screen resolution	1080 x 1620 px	320 x 480 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64/128 GB 6 GB RAM	512 MB 256 MB RAM
Memory card support	microSD up to 256 GB	microSD up to 32 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.	3500 mAh Non-removable Li-Ion	1300 mAh Removable Li-Ion
Operating system OS	Android 8.1 (Oreo)	Android 4.2 (Jelly Bean)
Chipset	Qualcomm SDM660 Snapdragon 660 (14 nm)	Mediatek MT6572M (28 nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	Key2	Dash 3.5
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	60.0 cm2	36.5 cm2
Screen format	3:2 (height:width)	3:2 (height:width)
Screen to body ratio	55.2%	51.2%
PPI /points per inch/	434 PPI	165 PPI
Screen protection	Corning Gorilla Glass 3	Unknown

Camera and Video

Camera and Video
Specification	Key2	Dash 3.5
Rear camera, main	12 MP Dual	3.15 MP Single
Camera specs	12 MP f/1.8 1/2.3'' 1.28µm dual pixel PDAF -12 MP f/2.6 1/3.4'' 1.0µm PDAF	3.15 MP
Functions	Dual-LED dual-tone flash HDR panorama	Unknown
Video	1080p@30fps	Yes
Front camera, selfie	8 MP Single	0 MP,
Specifications	8 MP f/2.0 1/4'' 1.12µm	Unknown

Performance

Performance
Specification	Key2	Dash 3.5
Processor CPU	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)	Dual-core 1.0 GHz Cortex-A7
Graphics processor GPU	Adreno 512	Mali-400
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	104256	Unknown
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	1628	Unknown
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	5894	Unknown

General specs

General specs
Specification	Key2	Dash 3.5
Release date	2018 June	2012 September
Colors	Black Silver	Black White
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	500 EUR	70 EUR
Battery life	Unknown	Stand by time- Up to 700 h (2G) / Up to 500 h (3G) Talking time- Up to 15 h (2G) / Up to 10 h (3G)
Body build	aluminum frame (7000 series) plastic back	Unknown

Communication and Connectivity

Communication and Connectivity
Specification	Key2	Dash 3.5
SIM card	Single SIM (Nano-SIM)Dual SIM (Nano-SIM dual stand-by) - BBF100-6 only	Dual SIM (Mini-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (BBF100-6 model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 13(700) 17(700) 19(800) 20(800) 26(850) 28(700) 32(1500) 38(2600) 39(1900) 40(2300) 41(2500) - EU Africa AU (BBF100-1) LTE band 1(2100) 14(700) 29(700) 30(2300) 41(2500) 66(1700/2100) - Canada US LATAM (BBF100-2) LTE band 1(2100) 41(2500) - ME APAC India (BBF100-6) LTE band 1(2100) 41(2500) - China (BBF100-4)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat11 600/75 Mbps	HSPA 7.2/5.76 Mbps
GPRS	Yes	Class 12
Edge	Yes	Class 12
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot	Wi-Fi 802.11 b/g/n hotspot
GPS	Yes with A-GPS GLONASS BDS2	Yes with A-GPS
USB	3.0 Type-C 1.0 reversible connector USB On-The-Go	microUSB 2.0
Bluetooth	5.0 A2DP LE EDR	4.0 A2DP
Harmful irradiation	SAR EU - 0.72 W/kg (head) 1.68 W/kg (body)	Unknown

Music and Audio

Music and Audio
Specification	Key2	Dash 3.5
Radio	FM radio	Stereo FM radio
Others	Active noise cancellation with dedicated mic	Unknown

Other features

Other features
Specification	Key2	Dash 3.5
Dop	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass - Fast battery charging: 50% in 36 min (Quick Charge 3.0) - Capacitive touch 4-row BlackBerry keyboard - Versions: BBF100-1 (EU Africa AU); BBF100-2 (Canada US LATAM); BBF100-6 (ME APAC India); BBF100-4 (China) Also known as BlackBerry Athena	Sensors Accelerometer MP3/AAC/WMA/WAV player -DivX/XviD/MP4/H.264/WMV player -Document viewer/editor -Photo viewer/editor D161 Single SIM D171 Dual SIM