HTC U Ultra vs Palm Centro

Compare recorded specifications, size and practical differences.

HTC U Ultra

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Palm Centro

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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.

WeightCentro: 46 g lighterCentro: 124 g · U Ultra: 170 g
WidthCentro: 26.3 mm narrowerCentro: 53.5 mm · U Ultra: 79.8 mm
Screen diagonalCentro: 3.45 in smaller diagonalCentro: 2.25 in · U Ultra: 5.7 in
DepthU Ultra: 10.6 mm thinnerU Ultra: 8 mm · Centro: 18.6 mm
HeightCentro: 55.2 mm shorterCentro: 107.2 mm · U Ultra: 162.4 mm
Release year2017 / 2008U Ultra: 2017 · Centro: 2008

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. Centro
Height
107.2 mm
Width
53.5 mm
Depth
18.6 mm

Weight
124 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	Centro
Dimensions (HxWxD)	162.4 Х 79.8 Х 8 mm	107.2 Х 53.5 Х 18.6 mm
Weight	170 g	124 g
Technology	Super LCD5	TFT
Screen size	5.7" inch	2.25" inch
Screen resolution	1440 x 2560 px	320 x 320 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64/128 GB 512GB 4GB	64 MB
Memory card support	microSD up to 512 GB (uses SIM 2 slot)	microSD up to 4 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.	3000 mAh Non-removable Li-Ion	1150 mAh Removable Li-Ion
Operating system OS	Android 7.0 (Nougat) upgradable to Android 8.0 (Oreo)	Palm OS 5.4.9
Chipset	Qualcomm MSM8996 Snapdragon 821 (14 nm)	Unknown
NFC	Yes	Unknown
Headphone jack	No	No

Display

Display
Specification	U Ultra	Centro
Touchscreen	capacitive touchscreen	resistive touchscreen
Display colors	16M	65K
Screen area	90.3 cm2	16.3 cm2
Screen format	16:9 (height:width)	1:1 (height:width)
Screen to body ratio	69.7%	28.5%
PPI /points per inch/	513 PPI	201 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	Centro
Rear camera, main	12 MP Single	1.3 MP Single
Camera specs	12 MP f/1.8 26mm (wide) 1/2.3'' 1.55µm OIS PDAF & laser AF	1.3 MP
Functions	Auto-HDR	Unknown
Video	1080p@30fps	Yes
Front camera, selfie	16 MP Single	0 MP,
Specifications	16 MP	Unknown

Performance

Performance
Specification	U Ultra	Centro
Processor CPU	Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)	32-bit Intel XScale PXA270 312 MHz
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	Centro
Release date	2017 January	2008 February
Colors	Brilliant Black Cosmetic Pink Ice White Sapphire Blue	Obsidian Glacier Midnight Cobalt Onyx Electric Blue Rose Olive
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	250 EUR	70 EUR
Battery life	Stand by time- Up to 312 h (3G) Talking time- Up to 26 h (3G)	Stand by time- Up to 300 h Talking time- Up to 4 h
Body build	Front/back glass aluminum frame	Unknown

Communication and Connectivity

Communication and Connectivity
Specification	U Ultra	Centro
SIM card	Hybrid Dual SIM (Nano-SIM dual stand-by)	Mini-SIM
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)	Unknown
Speed	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat11 600/50 Mbps	Unknown
GPRS	Yes	Class 10
Edge	Yes	Class 10
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct DLNA hotspot	No
GPS	Yes with A-GPS GLONASS BDS	No
USB	3.1 Type-C 1.0 reversible connector	Proprietary
Bluetooth	4.2 A2DP LE	1.2 A2DP
Harmful irradiation	Unknown	SAR - 0.27 W/kg (head) 0.22 W/kg (body)

Music and Audio

Music and Audio
Specification	U Ultra	Centro
Radio	No	No
Others	Secondary display 160 x 1040 pixels 2 inches 24-bit/192kHz audio -Active noise cancellation with dedicated mic	5-way navigation button

Other features

Other features
Specification	U Ultra	Centro
Dop	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass - Fast battery charging (Quick Charge 3.0) - Also known as HTC Ocean Note	Infrared port - Document editor (Word Excel PowerPoint PDF) -MP3 player -Organizer -Voice memo