Acer Stream vs Lava Z71

Compare recorded specifications, size and practical differences.

Acer Stream

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Lava Z71

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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.

Display technologyOLED versus LCDStream: OLED · Z71: LCD
WeightStream: 10 g lighterStream: 140 g · Z71: 150 g
WidthStream: 7.9 mm narrowerStream: 63 mm · Z71: 70.9 mm
Screen diagonalStream: 2.01 in smaller diagonalStream: 3.7 in · Z71: 5.71 in
ChipsetQualcomm QSD8250 Snapdragon S1 / Mediatek MT6762 Helio P22 (12 nm)Stream: Qualcomm QSD8250 Snapdragon S1 · Z71: Mediatek MT6762 Helio P22 (12 nm)
Rear camera layoutSingle / DualStream: Single · Z71: Dual

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. Stream
Height
119.5 mm
Width
63 mm
Depth
11.2 mm+2.2 mm versus Z71

Weight
140 g
2. Z71
Height
145.6 mm+26.1 mm versus Stream
Width
70.9 mm+7.9 mm versus Stream
Depth
9 mm

Weight
150 g

Weight

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

1. Stream140 g
2. Z71150 g

+10 g versus Stream

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.

Screen size

1. Stream 3.7 in · 5:3 About 39 cm² rectangular area
2. Z71 5.71 in · 19:9 About 81.4 cm² rectangular area

Z71 has approximately 108.8% more rectangular screen area than Stream.

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 by storage capacity and phone
Storage	Stream	Z71
32 GB	Unknown	2 GB RAM

Stream: Original memory entry

32 GB · 512 MB RAM - Liquid M2208 GB

Practical features

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

1. Stream

NFC: See details Super AMOLED
Headphone jack: Yes
Memory card support: See details microSD · up to 32 GB (dedicated slot) · 8 GB included

2. Z71

NFC: Unknown
Headphone jack: Yes
Memory card support: See details microSD · up to 128 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

1. Stream1400 mAh
2. Z713200 mAh

+1800 mAh versus Stream

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. Stream2. Z71

Everyday essentials

Everyday essentials
Specification	Stream	Z71
Dimensions (HxWxD)	119.5 Х 63 Х 11.2 mm	145.6 Х 70.9 Х 9 mm
Weight	140 g	150 g
Technology	Super AMOLED	IPS LCD
Screen size	3.7" inch	5.71" inch
Screen resolution	480 x 800 px	720 x 1520 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32 GB 512 MB RAM - Liquid M2208 GB	32GB 2GB RAM
Memory card support	microSD up to 32 GB (dedicated slot) 8 GB included	microSD up to 128 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.	1400 mAh Removable Li-Ion	3200 mAh Non-removable Li-Po
Operating system OS	Android 2.1 (Eclair)	Android 9.0 (Pie)
Chipset	Qualcomm QSD8250 Snapdragon S1	Mediatek MT6762 Helio P22 (12 nm)
NFC	Super AMOLED	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	Stream	Z71
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	39.0 cm2	81.4 cm2
Screen format	5:3 (height:width)	19:9 (height:width)
Screen to body ratio	51.8%	78.8%
PPI /points per inch/	252 PPI	295 PPI

Camera and Video

Camera and Video
Specification	Stream	Z71
Rear camera, main	5 MP Single	13 MP Dual
Camera specs	5 MP AF	13 MP 2 MP
Functions	Unknown	LED flash
Video	720p@24fps	1080p@30fps
Front camera, selfie	0 MP,	5 MP Single
Specifications	Super AMOLED	5 MP

Performance

Performance
Specification	Stream	Z71
Processor CPU	1.0 GHz Scorpion	Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU	Adreno 200	PowerVR GE8320

General specs

General specs
Specification	Stream	Z71
Release date	2010 May	2020 January
Colors	Black	Ruby Red Steel Blue
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	130 EUR	Unknown
Battery life	Stand by time- Up to 400 h (3G) Talking time- Up to 5 h (3G)	Unknown
Body build	Unknown	Glass front plastic back plastic frame

Communication and Connectivity

Communication and Connectivity
Specification	Stream	Z71
SIM card	Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM	Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE	Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 8(900) 40(2300) 41(2500)
Speed	HSPA 7.2/2 Mbps	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps
GPRS	Class 10	Yes
Edge	Class 10	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n DLNA & UPnP technology	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS
USB	microUSB 2.0	microUSB 2.0 USB On-The-Go
Bluetooth	Wi-Fi 802.11 a/b/g/n/ac A2DP	4.2 A2DP LE

Music and Audio

Music and Audio
Specification	Stream	Z71
Radio	Stereo FM radio RDS	FM radio
Others	Dedicated music keys -Dolby Mobile	Unknown

Other features

Other features
Specification	Stream	Z71
Dop	Sensors Accelerometer proximity compass - Micro HDMI port -Dedicated search key -MP3/WAV/WMA/eAAC+ player -MP4/Xvid/WMV/H.264 player -Document viewer -Voice memo -Predictive text input - Also known as Acer Liquid Stream	Sensors Fingerprint (rear-mounted) accelerometer proximity - For India

Acer Stream vs Lava Z71

Acer Stream

Lava Z71

Key differences

Physical size

Screen size

Memory variants

Practical features

1. Stream

2. Z71

Battery capacity

Specifications

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