BLU G90 vs Microsoft Surface Duo Specs Comparison

Display

Size
6.5-inch	8.1-inch
Resolution
1600 x 720 px, 20:9 ratio, 270 PPI	2700 x 1800 px, 3:2 ratio, 401 PPI
Technology
IPS LCD	AMOLED
Screen-to-body
81.06 %	71.93 %
Features
Ambient light sensor, Proximity sensor	360° folding, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Front cover display
	5.6 inches 1800 x1350 px AMOLED Scratch-resistant glass (Corning Gorilla Glass 5), Part of the main display
Rear cover display
	5.6 inches 1350 x1800 px AMOLED Scratch-resistant glass (Corning Gorilla Glass 5), Part of the main display

Hardware

System chip
Mediatek Helio A25 (12 nm)	Qualcomm Snapdragon 855 SM8150 (7 nm)
Processor
Octa-core, 1800 MHz, Arm Cortex-A53, 64-bit	Octa-core, 2840 MHz, Kryo 485, 64-bit
GPU
PowerVR GE8320	Adreno 640
RAM
4GB	6GB (LPDDR4)
Internal storage
64GB	128GB (UFS 3.0), not expandable
Storage expansion
microSDXC up to 128 GB
OS
Android (10)	Android (10)
Device type
Smartphone	Smartphone

Battery

Capacity
4000 mAh	3577 mAh
Type
Li - Polymer, Not user replaceable	Not user replaceable
Charging
Fast charging	Fast charging
Max charge speed
Wired: 10.0W	Wired: 18.0W

Camera

Rear
Triple camera	Single camera, Doubles as a selfie camera
Main camera
16 MP (PDAF) Specifications: Aperture size: F2.0 Sensor size: 1/3.06" Pixel size: 1 μm	11 MP (PDAF) Specifications: Aperture size: F2.0
Second camera
8 MP (Ultra-wide) Specifications: Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
2 MP (Depth information) Specifications: Aperture size: F2.8
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (60 fps) Features: EIS
Front
13 MP, Video capture: 1920x1080 (Full HD)

Design

Dimensions
6.48 x 3.01 x 0.35 inches (164.6 x 76.5 x 8.8 mm)	7.36 x 5.72 x 0.19 inches (186.9 x 145.2 x 4.8 mm)
Folded
	(145.2 x 93.3 x 9.9 mm)
Weight
6.53 oz(185.0 g)	8.82 oz(250.0 g)
Materials
	Back: Glass (Corning Gorilla Glass 5)
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Blue, Gradient magenta, Pearl white	Glacier

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 17(700 b), 28(700 APT)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)
4G (TDD)
	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM, eSIM

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
	aptX
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
	Noise cancellation

Connectivity & Features

Bluetooth
4.1	5.0
Wi-Fi
802.11 a,b,g,n Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 2.0, Features: Charging, OTG	Type-C (reversible), USB 3.1, Features: Charging, Headphones port, Video out
Location
GPS, A-GPS, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Heart rate

Regulatory Approval

FCC approval
Date approved: Mar 09, 2020 FCC ID value: YHLBLUG90
Measured SAR
Head: 0.53 W/kg Body: 0.67 W/kg Simultaneous Transmission: 1.52 W/kg Wireless Router: 0.96 W/kg

Buyers information

MSRP
$ 150	$ 1399
In The Box
Rugged TPU case, Glass screen protector, Quick start quide, Sticker, Charger, Type-C cable, headset, SIM key	Bumper (Color: Glacier), Power Supply (18w), Quick Start Guide, Warranty and Compliance Guide, SIM Ejector tool

Availability

Officially announced
Jun 24, 2020	Aug 12, 2020

Alternative variants

with 256GB storage

Internal storage	256GB
MSRP	$ 1500

Links

Full specifications
BLU G90 Specs	Microsoft Surface Duo Specs
User Reviews
	Microsoft Surface Duo User Reviews