verykool SL5565 Rocket vs ZTE Blade 20: specs comparison

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.

Weight

SL5565 Rocket: 18 g lighter

SL5565 Rocket:

172 g

Blade 20:

190 g
Width

Blade 20: 2.6 mm narrower

SL5565 Rocket:

79.2 mm

Blade 20:

76.6 mm
Screen diagonal

SL5565 Rocket: 0.99 in smaller diagonal

SL5565 Rocket:

5.5 in

Blade 20:

6.49 in
Chipset

SL5565 Rocket:

Mediatek MT6737 (28 nm)

Blade 20:

Mediatek MT6771 Helio P70 (12nm)
Rear camera layout

SL5565 Rocket:

Single

Blade 20:

Dual
Height

SL5565 Rocket: 6.5 mm shorter

SL5565 Rocket:

156.4 mm

Blade 20:

162.9 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.

1. SL5565 Rocket

Height:

156.4 mm
Width:

79.2 mm +2.6 mm versus Blade 20
Depth:

8.8 mm
2. Blade 20

Height:

162.9 mm +6.5 mm versus SL5565 Rocket
Width:

76.6 mm
Depth:

9 mm

Weight

Bars start at zero and share a scale within this chart.

1. SL5565 Rocket

172 g
2. Blade 20

190 g

+18 g versus SL5565 Rocket

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. SL5565 Rocket

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²
2. Blade 20

Screen diagonal:

6.49 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

103.4 cm²

Blade 20 has approximately 24% more rectangular screen area than SL5565 Rocket.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for SL5565 Rocket, Blade 20, compared at the same storage capacity.
Storage	SL5565 Rocket	Blade 20
16 GB	2 GB RAM	Not recorded
128 GB	Not recorded	4 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. SL5565 Rocket

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 128 GB

2. Blade 20

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB (uses shared SIM slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. SL5565 Rocket

2700 mAh
2. Blade 20

5000 mAh

+2300 mAh versus SL5565 Rocket

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. SL5565 Rocket2. Blade 20

Everyday essentials

Everyday essentials — specifications for SL5565 Rocket, Blade 20.
Specification	SL5565 Rocket	Blade 20
Dimensions (HxWxD)	156.4 Х 79.2 Х 8.8 mm	162.9 Х 76.6 Х 9 mm
Weight	172 g	190 g
Technology	IPS LCD	IPS LCD
Screen size	5.5" inch	6.49" inch
Screen resolution	720 x 1280 px	720 x 1560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	16 GB 2 GB RAM	128GB 4GB RAM
Memory card support	microSD up to 128 GB	microSD up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.	2700 mAh Non-removable Li-Po	5000 mAh Non-removable Li-Po
Operating system OS	Android 7.0 (Nougat)	Android 9.0 (Pie)
Chipset	Mediatek MT6737 (28 nm)	Mediatek MT6771 Helio P70 (12nm)
Headphone jack	Yes	Yes

Display

Display — specifications for SL5565 Rocket, Blade 20.
Specification	SL5565 Rocket	Blade 20
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	83.4 cm2	103.4 cm2
Screen format	16:9 (height:width)	19.5:9 (height:width)
Screen to body ratio	67.3%	82.9%
PPI /points per inch/	267 PPI	265 PPI

Camera and Video

Camera and Video — specifications for SL5565 Rocket, Blade 20.
Specification	SL5565 Rocket	Blade 20
Rear camera, main	13 MP Single	16 MP Dual
Camera specs	13 MP AF f/2.2	16 MP f/2.0 PDAF -8 MP 12mm (ultrawide) -2 MP depth sensor
Functions	LED flash	LED flash HDR panorama
Video	720p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	8 MP Single
Specifications	8 MP f/2.8	8 MP f/2.4

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for SL5565 Rocket, Blade 20.
Specification	SL5565 Rocket	Blade 20
Processor CPU	Quad-core 1.3 GHz Cortex-A7	Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU	Mali-T720MP2	Mali-G72 MP3
Antutu 7 score *	29395	Unknown

General specs

General specs — specifications for SL5565 Rocket, Blade 20.
Specification	SL5565 Rocket	Blade 20
Release date	2017 August	2019 October
Colors	Darg Gray Gold White	Turquoise Magic red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	Unknown	130 EUR
Battery life	Stand by time- Up to 240 h (3G) Talking time- Up to 8 h (3G)	Unknown
Body build	Unknown	Front glass plastic body

Communication and Connectivity

Communication and Connectivity — specifications for SL5565 Rocket, Blade 20.
Specification	SL5565 Rocket	Blade 20
SIM card	Dual SIM (Micro-SIM/Nano-SIM dual stand-by)	Hybrid Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 12(700) 17(700) LTE band 2(1900) 28(700)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed	HSPA 42.2/11.5 Mbps LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot	Wi-Fi 802.11 b/g/n hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS
USB	microUSB 2.0	microUSB 2.0 USB On-The-Go
Bluetooth	4.0 A2DP LE	5.0 A2DP LE
Harmful irradiation	SAR - 0.45 W/kg (head) 1.29 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for SL5565 Rocket, Blade 20.
Specification	SL5565 Rocket	Blade 20
Radio	Stereo FM radio	FM radio recording
Others	Unknown	Active noise cancellation with dedicated mic

Other features

Other features — specifications for SL5565 Rocket, Blade 20.
Specification	SL5565 Rocket	Blade 20
Dop	Sensors Fingerprint (front-mounted) accelerometer proximity	Sensors Fingerprint (rear-mounted) accelerometer proximity compass - Fast battery charging 18W

verykool SL5565 Rocket vs ZTE Blade 20