BLU J4 vs Nokia 8.1

Compare recorded specifications, size and practical differences.

BLU J4

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Nokia 8.1

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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.

WeightJ4: 22 g lighterJ4: 158 g · 8.1: 180 g
WidthJ4: 3.5 mm narrowerJ4: 72.3 mm · 8.1: 75.8 mm
Screen diagonalJ4: 0.68 in smaller diagonalJ4: 5.5 in · 8.1: 6.18 in
Rear camera layoutSingle / DualJ4: Single · 8.1: Dual
Depth8.1: 2 mm thinner8.1: 8 mm · J4: 10 mm
HeightJ4: 3.8 mm shorterJ4: 151 mm · 8.1: 154.8 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. J4
Height
151 mm
Width
72.3 mm
Depth
10 mm

Weight
158 g
2. 8.1
Height
154.8 mm
Width
75.8 mm
Depth
8 mm

Weight
180 g

Specifications

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Everyday essentials

Everyday essentials
Specification	J4	8.1
Dimensions (HxWxD)	151 Х 72.3 Х 10 mm	154.8 Х 75.8 Х 8 mm
Weight	158 g	180 g
Technology	IPS LCD	IPS LCD
Screen size	5.5" inch	6.18" inch
Screen resolution	720 x 1440 px	1080 x 2280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32GB 1GB RAM	64 GB 4 GB RAM - Nokia 8.164/128 GB 4/6 GB RAM - Nokia X7Y
Memory card support	microSDXC	microSD up to 400 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.	2200 mAh Removable Li-Po	3500 mAh Non-removable Li-Ion
Operating system OS	Android 8.1 Oreo (Go edition)	Android 9.0 (Pie); Android One
Chipset	Unknown	Qualcomm SDM710 Snapdragon 710 (10 nm)
NFC	Unknown	Yes
Headphone jack	Yes	Yes

Display

Display
Specification	J4	8.1
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	78.1 cm2	95.3 cm2
Screen format	18:9 (height:width)	19:9 (height:width)
Screen to body ratio	71.5%	81.2%
PPI /points per inch/	293 PPI	408 PPI
Screen protection	Unknown	NEG

Camera and Video

Camera and Video
Specification	J4	8.1
Rear camera, main	8 MP Single	12 MP Dual
Camera specs	8 MP AF	12 MP f/1.8 1/2.55'' 1.4µm dual pixel PDAF OIS -13 MP
Functions	LED flash	Zeiss optics Dual-LED dual-tone flash panorama HDR
Video	720p@30fps	2160p@30fps 1080p@30fps (gyro-EIS)
Front camera, selfie	8 MP Single	20 MP Single
Specifications	8 MP	20 MP f/2.0 0.9μm

Performance

Performance
Specification	J4	8.1
Processor CPU	Quad-core 1.3 GHz Cortex-A7	Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU	Mali-400	Adreno 616
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	177222

General specs

General specs
Specification	J4	8.1
Release date	2019 October	2018 December
Colors	Blue Black Brown	Blue Silver steel copper Iron
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	70 EUR	400 EUR
Body build	Unknown	Front/back glass aluminum frame

Communication and Connectivity

Communication and Connectivity
Specification	J4	8.1
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	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed	HSPA 21.1/5.76 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/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS BDS
USB	microUSB 2.0	2.0 Type-C 1.0 reversible connector USB On-The-Go
Bluetooth	4.1 A2DP LE	5.0 A2DP LE

Music and Audio

Music and Audio
Specification	J4	8.1
Radio	FM radio	No
Others	Unknown	Active noise cancellation with dedicated mic

Other features

Other features
Specification	J4	8.1
Dop	Sensors Accelerometer For USA	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging 2A/9V (18W) - Versions: Nokia 8.1 (Global); Nokia X7 (China)