HTC U Ultra vs Plum Compass

Compare recorded specifications, size and practical differences.

HTC U Ultra

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Plum Compass

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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.

WidthCompass: 7.2 mm narrowerCompass: 72.6 mm · U Ultra: 79.8 mm
Screen diagonalCompass: 0.7 in smaller diagonalCompass: 5 in · U Ultra: 5.7 in
ChipsetQualcomm MSM8996 Snapdragon 821 (14 nm) / Spreadtrum SC7731CU Ultra: Qualcomm MSM8996 Snapdragon 821 (14 nm) · Compass: Spreadtrum SC7731C
DepthU Ultra: 1.8 mm thinnerU Ultra: 8 mm · Compass: 9.8 mm
HeightCompass: 16.4 mm shorterCompass: 146 mm · U Ultra: 162.4 mm
Release year2017 / 2016U Ultra: 2017 · Compass: 2016

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. U Ultra
Height
162.4 mm
Width
79.8 mm
Depth
8 mm

Weight
170 g
2. Compass
Height
146 mm
Width
72.6 mm
Depth
9.8 mm

Weight
168.7 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	U Ultra	Compass
Dimensions (HxWxD)	162.4 Х 79.8 Х 8 mm	146 Х 72.6 Х 9.8 mm
Weight	170 g	168.7 g
Technology	Super LCD5	IPS LCD
Screen size	5.7" inch	5" inch
Screen resolution	1440 x 2560 px	720 x 1280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64/128 GB 512GB 4GB	8 GB 1 GB RAM
Memory card support	microSD up to 512 GB (uses SIM 2 slot)	microSD up to 32 GB
BatteryCapacity is not battery life. No endurance test is implied.	3000 mAh Non-removable Li-Ion	2000 mAh Removable Li-Ion
Operating system OS	Android 7.0 (Nougat) upgradable to Android 8.0 (Oreo)	Android 6.0 (Marshmallow)
Chipset	Qualcomm MSM8996 Snapdragon 821 (14 nm)	Spreadtrum SC7731C
NFC	Yes	Unknown
Headphone jack	No	Yes

Display

Display
Specification	U Ultra	Compass
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	90.3 cm2	68.9 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	69.7%	65.0%
PPI /points per inch/	513 PPI	294 PPI
Screen protection	Corning Gorilla Glass 5 (64 GB version)Sapphire crystal glass (128 GB version)	Unknown

Camera and Video

Camera and Video
Specification	U Ultra	Compass
Rear camera, main	12 MP Single	8 MP Single
Camera specs	12 MP f/1.8 26mm (wide) 1/2.3'' 1.55µm OIS PDAF & laser AF	8 MP AF
Functions	Auto-HDR	LED flash
Video	1080p@30fps	Yes
Front camera, selfie	16 MP Single	2 MP Single
Specifications	16 MP	2 MP

Performance

Performance
Specification	U Ultra	Compass
Processor CPU	Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)	Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU	Adreno 530	Unknown
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	168385	Unknown
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	1662	Unknown
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	3920	Unknown
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.	7174	Unknown
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	302	Unknown
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	795	Unknown

General specs

General specs
Specification	U Ultra	Compass
Release date	2017 January	2016 December
Colors	Brilliant Black Cosmetic Pink Ice White Sapphire Blue	Black Blue Red Gold White
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	250 EUR	Unknown
Battery life	Stand by time- Up to 312 h (3G) Talking time- Up to 26 h (3G)	Stand by time- Up to 620 h (2G) / Up to 600 h (3G) Talking time- Up to 25 h (2G) / Up to 20 h (3G)
Body build	Front/back glass aluminum frame	Unknown

Communication and Connectivity

Communication and Connectivity
Specification	U Ultra	Compass
SIM card	Hybrid Dual SIM (Nano-SIM dual stand-by)	Dual SIM (Micro-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 17(700) 20(800) 28(700) 38(2600) 39(1900) 40(2300) 41(2500)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat11 600/50 Mbps	HSPA 21.1/5.76 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct DLNA hotspot	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot
GPS	Yes with A-GPS GLONASS BDS	Yes with A-GPS
USB	3.1 Type-C 1.0 reversible connector	microUSB 2.0
Bluetooth	4.2 A2DP LE	4.0 A2DP

Music and Audio

Music and Audio
Specification	U Ultra	Compass
Radio	No	FM radio
Others	Secondary display 160 x 1040 pixels 2 inches 24-bit/192kHz audio -Active noise cancellation with dedicated mic	Unknown

Other features

Other features
Specification	U Ultra	Compass
Dop	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass - Fast battery charging (Quick Charge 3.0) - Also known as HTC Ocean Note	Sensors Accelerometer