Acer DX900 vs Xiaomi Redmi Note 7

Compare recorded specifications, size and practical differences.

Acer DX900

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Xiaomi Redmi Note 7

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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.

WeightDX900: 39 g lighterDX900: 147 g · Redmi Note 7: 186 g
WidthDX900: 14.7 mm narrowerDX900: 60.5 mm · Redmi Note 7: 75.2 mm
Screen diagonalDX900: 3.5 in smaller diagonalDX900: 2.8 in · Redmi Note 7: 6.3 in
Rear camera layoutSingle / DualDX900: Single · Redmi Note 7: Dual
DepthRedmi Note 7: 8.9 mm thinnerRedmi Note 7: 8.1 mm · DX900: 17 mm
HeightDX900: 53.2 mm shorterDX900: 106 mm · Redmi Note 7: 159.2 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.

Front

Side

1. DX900
Height
106 mm
Width
60.5 mm
Depth
17 mm

Weight
147 g
2. Redmi Note 7
Height
159.2 mm
Width
75.2 mm
Depth
8.1 mm

Weight
186 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	DX900	Redmi Note 7
Dimensions (HxWxD)	106 Х 60.5 Х 17 mm	159.2 Х 75.2 Х 8.1 mm
Weight	147 g	186 g
Technology	TFT	IPS LCD
Screen size	2.8" inch	6.3" inch
Screen resolution	480 x 640 px	1080 x 2340 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128 MB RAM 256 MB ROM	64 GB 4/6 GB RAM 32 GB 3 GB RAM
Memory card support	microSD (dedicated slot)	microSD up to 256 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.	1530 mAh Removable Li-Po	4000 mAh Non-removable Li-Po
Operating system OS	Microsoft Windows Mobile 6.1 Professional	Android 9.0 (Pie); MIUI 10
Chipset	Unknown	Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC	Super AMOLED	Unknown
Headphone jack	panorama	Yes

Display

Display
Specification	DX900	Redmi Note 7
Touchscreen	resistive touchscreen	capacitive touchscreen
Display colors	65K	16M
Screen area	24.3 cm2	97.4 cm2
Screen format	4:3 (height:width)	19.5:9 (height:width)
Screen to body ratio	37.9%	81.4%
PPI /points per inch/	286 PPI	409 PPI
Screen protection	Unknown	Corning Gorilla Glass 5

Camera and Video

Camera and Video
Specification	DX900	Redmi Note 7
Rear camera, main	3.15 MP Single	48 MP Dual
Camera specs	3.15 MP AF	48 MP f/1.8 1/2'' 0.8µm PDAF -5 MP f/2.4 depth sensor
Functions	Dual-LED flash	HDR
Video	Yes	1080p@30fps
Front camera, selfie	0.3 MP Single	13 MP Single
Specifications	VGA videocall camera	13 MP

Performance

Performance
Specification	DX900	Redmi Note 7
Processor CPU	533 MHz Samsung S3C 6410	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU	Unknown	Adreno 512
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	144610
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	1462
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	4556
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	179213
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	334
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	1294

General specs

General specs
Specification	DX900	Redmi Note 7
Release date	2009 February	2019 January
Colors	Black	Blue Black Twilight Gold
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	90 EUR	150 EUR
Battery life	Stand by time- Up to 150 h Talking time- Up to10 h	Unknown

Communication and Connectivity

Communication and Connectivity
Specification	DX900	Redmi Note 7
SIM card	Dual SIM (Mini-SIM)	Hybrid Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 900 / 1800 / 1900 - SIM 2	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) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500)
Speed	HSPA 7.2/0.384 Mbps	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat9 450/50 Mbps
GPRS	Class 10	Yes
Edge	Class 10	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot
GPS	Yes SiRF Star III chipset	Yes with A-GPS GLONASS BDS
USB	miniUSB	2.0 Type-C 1.0 reversible connector
Bluetooth	microUSB 2.0 A2DP	5.0 A2DP LE

Music and Audio

Music and Audio
Specification	DX900	Redmi Note 7
Radio	panorama	FM radio recording
Others	Handwriting recognition	Active noise cancellation with dedicated mic

Other features

Other features
Specification	DX900	Redmi Note 7
Dop	Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900 Acer Tempo X960	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass Infrared port - Fast battery charging (Quick Charge 4)