A1 Alpha vs Xiaomi Redmi Note 4

Compare recorded specifications, size and practical differences.

A1 Alpha

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Xiaomi Redmi Note 4

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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.

WeightAlpha: 15 g lighterAlpha: 150 g · Redmi Note 4: 165 g
Screen diagonalRedmi Note 4: 0.76 in smaller diagonalRedmi Note 4: 5.5 in · Alpha: 6.26 in
ChipsetUnisoc SC9863A (28nm) / Qualcomm MSM8953 Snapdragon 625 (14 nm)Alpha: Unisoc SC9863A (28nm) · Redmi Note 4: Qualcomm MSM8953 Snapdragon 625 (14 nm)
Rear camera layoutDual / SingleAlpha: Dual · Redmi Note 4: Single
Release year2019 / 2017Alpha: 2019 · Redmi Note 4: 2017

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. Alpha
Height
151.7 mm
Width
75.8 mm
Depth
8.1 mm

Weight
150 g
2. Redmi Note 4
Height
151 mm
Width
76 mm
Depth
8.5 mm

Weight
165 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	Alpha	Redmi Note 4
Dimensions (HxWxD)	151.7 Х 75.8 Х 8.1 mm	151 Х 76 Х 8.5 mm
Weight	150 g	165 g
Technology	IPS LCD	IPS LCD
Screen size	6.26" inch	5.5" inch
Screen resolution	720 x 1520 px	1080 x 1920 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32GB 2GB RAM 64GB 3GB RAM	64 GB 4 GB RAM 32 GB 3 GB RAM; 64 GB 3 GB RAM (China only)
Memory card support	microSD up to 256 GB (uses shared SIM slot)	microSD up to 256 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.	3200 mAh Non-removable Li-Ion	4100 mAh Non-removable Li-Po
Operating system OS	Android 9.0 (Pie)	Android 6.0 (Marshmallow) upgradable to 7.0 (Nougat); MIUI 10
Chipset	Unisoc SC9863A (28nm)	Qualcomm MSM8953 Snapdragon 625 (14 nm)
NFC	Yes (64/3GB model only)	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	Alpha	Redmi Note 4
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	97.8 cm2	83.4 cm2
Screen format	19:9 (height:width)	16:9 (height:width)
Screen to body ratio	82.1%	72.7%
PPI /points per inch/	269 PPI	401 PPI

Camera and Video

Camera and Video
Specification	Alpha	Redmi Note 4
Rear camera, main	13 MP Dual	13 MP Single
Camera specs	13 MP f/2.0 AF -2 MP f/2.4 depth sensor	13 MP f/2.0 1.12µm PDAF
Functions	LED flash HDR	Dual-LED dual-tone flash panorama HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	5 MP Single
Specifications	8 MP f/2.0	5 MP f/2.0

Performance

Performance
Specification	Alpha	Redmi Note 4
Processor CPU	Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)	Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU	IMG8322	Adreno 506
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	76000
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	1475
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	4010
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	3151
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	102376
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	171
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	917

General specs

General specs
Specification	Alpha	Redmi Note 4
Release date	2019 August	2017 January
Colors	Black Green	Dark Gray Gold Black Lake Blue (64/4GB model)
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	150 EUR	150 EUR
Body build	Unknown	Front glass aluminum body

Communication and Connectivity

Communication and Connectivity
Specification	Alpha	Redmi Note 4
SIM card	Hybrid Dual SIM (Nano-SIM dual stand-by)	Hybrid Dual SIM (Micro-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 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 20(800) 38(2600)	Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 20(800) 38(2600) 40(2300)
Speed	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n Wi-Fi Direct hotspot
GPS	Yes with A-GPS GLONASS	Yes with A-GPS GLONASS BDS
USB	microUSB 2.0 USB On-The-Go	microUSB 2.0 USB On-The-Go
Bluetooth	4.2 A2DP LE	4.1 A2DP LE

Music and Audio

Music and Audio
Specification	Alpha	Redmi Note 4
Radio	FM radio	FM radio
Others	Active noise cancellation with dedicated mic	24-bit/192kHz audio -Active noise cancellation with dedicated mic

Other features

Other features
Specification	Alpha	Redmi Note 4
Dop	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass Infrared port - For Global market. Also known as Xiaomi Redmi Note 4x Global.