Xiaomi Redmi Note 9S vs ZTE Blade S7: 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

Blade S7: 78 g lighter

Redmi Note 9S:

209 g

Blade S7:

131 g
Width

Blade S7: 9.7 mm narrower

Redmi Note 9S:

76.7 mm

Blade S7:

67 mm
Screen diagonal

Blade S7: 1.67 in smaller diagonal

Redmi Note 9S:

6.67 in

Blade S7:

5 in
Chipset

Redmi Note 9S:

Qualcomm SM7125 Snapdragon 720G (8 nm)

Blade S7:

Qualcomm MSM8939 Snapdragon 615 (28 nm)
Rear camera layout

Redmi Note 9S:

Quad

Blade S7:

Single
Depth

Blade S7: 1.6 mm thinner

Redmi Note 9S:

8.8 mm

Blade S7:

7.2 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. Redmi Note 9S

Height:

165.8 mm +23.8 mm versus Blade S7
Width:

76.7 mm +9.7 mm versus Blade S7
Depth:

8.8 mm +1.6 mm versus Blade S7
2. Blade S7

Height:

142 mm
Width:

67 mm
Depth:

7.2 mm

Weight

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

1. Redmi Note 9S

209 g

+78 g versus Blade S7
2. Blade S7

131 g

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. Redmi Note 9S

Screen diagonal:

6.67 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

107.4 cm²
2. Blade S7

Screen diagonal:

5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

68.9 cm²

Redmi Note 9S has approximately 55.8% more rectangular screen area than Blade S7.

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 Redmi Note 9S, Blade S7, compared at the same storage capacity.
Storage	Redmi Note 9S	Blade S7
32 GB	Not recorded	3 GB RAM
64 GB	4 GB RAM	Not recorded
128 GB	6 GB RAM	Not recorded

Practical features

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

1. Redmi Note 9S

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSDXC (dedicated slot)

2. Blade S7

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 64 GB (uses SIM 2 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. Redmi Note 9S

5020 mAh

+2520 mAh versus Blade S7
2. Blade S7

2500 mAh

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. Redmi Note 9S2. Blade S7

Everyday essentials

Everyday essentials — specifications for Redmi Note 9S, Blade S7.
Specification	Redmi Note 9S	Blade S7
Dimensions (HxWxD)	165.8 Х 76.7 Х 8.8 mm	142 Х 67 Х 7.2 mm
Weight	209 g	131 g
Technology	IPS LCD	IPS LCD
Screen size	6.67" inch	5" inch
Screen resolution	1080 x 2400 px	1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64GB 4GB RAM 128GB 6GB RAM	32 GB 3 GB RAM
Memory card support	microSDXC (dedicated slot)	microSD up to 64 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.	5020 mAh Non-removable Li-Po	2500 mAh Non-removable Li-Ion
Operating system OS	Android 10.0; MIUI 11	Android 5.1 (Lollipop); MiFavor UI
Chipset	Qualcomm SM7125 Snapdragon 720G (8 nm)	Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack	Yes	Yes

Display

Display — specifications for Redmi Note 9S, Blade S7.
Specification	Redmi Note 9S	Blade S7
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	107.4 cm2	68.9 cm2
Screen format	20:9 (height:width)	16:9 (height:width)
Screen to body ratio	84.5%	72.4%
PPI /points per inch/	395 PPI	441 PPI
Screen protection	Corning Gorilla Glass 5	Unknown

Camera and Video

Camera and Video — specifications for Redmi Note 9S, Blade S7.
Specification	Redmi Note 9S	Blade S7
Rear camera, main	48 MP Quad	13 MP Single
Camera specs	48 MP f/1.8 26mm (wide) 1/2.0'' 0.8µm PDAF -8 MP f/2.2 13mm (ultrawide) 1/4.0'' 1.12µm -5 MP f/2.4 (macro) 1.12µm -2 MP (depth)	13 MP AF
Functions	HDR panorama	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	16 MP Single	13 MP Single
Specifications	16 MP f/2.5 (wide) 1.0µm	13 MP

Performance

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

Performance — specifications for Redmi Note 9S, Blade S7.
Specification	Redmi Note 9S	Blade S7
Processor CPU	Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)	Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU	Adreno 618	Adreno 405
Antutu 7 score *	Unknown	31254

General specs

General specs — specifications for Redmi Note 9S, Blade S7.
Specification	Redmi Note 9S	Blade S7
Release date	2020 March 23	2015 October
Colors	Aurora Blue Glacier white Interstellar Gray	Black White Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	$ 199	280 EUR
Body build	Glass front (Gorilla Glass 5) glass back (Gorilla Glass 5) plastic frame	Unknown

Communication and Connectivity

Communication and Connectivity — specifications for Redmi Note 9S, Blade S7.
Specification	Redmi Note 9S	Blade S7
SIM card	Dual 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 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 20(800) 28(700) 38(2600) 40(2300)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 HSDPA 850 / 2100 -4G - LTE
Speed	HSPA 42.2/5.76 Mbps LTE-A	HSPA 42.2/11.5 Mbps LTE Cat4 150/50 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS GLONASS GALILEO BDS	Yes with A-GPS
USB	2.0 Type-C 1.0 reversible connector	microUSB 2.0
Bluetooth	5.0 A2DP LE	4.0 A2DP LE

Music and Audio

Music and Audio — specifications for Redmi Note 9S, Blade S7.
Specification	Redmi Note 9S	Blade S7
Radio	FM radio recording	FM radio
Others	450 nits typ. brightness (advertised)	Active noise cancellation with dedicated mic

Other features

Other features — specifications for Redmi Note 9S, Blade S7.
Specification	Redmi Note 9S	Blade S7
Dop	Sensors Fingerprint (side-mounted) accelerometer gyro proximity compass Infrared port - Fast charging 18W - Splash-proof	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass

Xiaomi Redmi Note 9S vs ZTE Blade S7