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Nokia E55 vs Nokia E66

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

NokiaE55NokiaE66
Overview
Released20092008
Display
Screen size2.4″2.4″
Resolution320 × 240320 × 240
Sharpness167 pixels per inch167 pixels per inch
PanelLCDLCD
Display type2.4-inch QVGA TFT with up to 16 million colours and automatic landscape rotation; non-touch. Size from maker announcement, resolution/type from exact GSMArena production review.2.4-inch 320 × 240 LCD with up to 16 million colours in the maker datasheet; TFT identified in GSMArena's production test. The physical screen is portrait-oriented; resolution is stored long side first for comparison.
Display features–Ambient light sensor and accelerometer-driven portrait/landscape rotation; non-touchscreen
Performance
Chip–ARM11 369 MHz (GSMArena)
Memory128 MB128 MB
Storage–110 MB
CPU600 MHz ARM11 in GSMArena's exact production review; specific chip identity not inferred369 MHz ARM11 processor identified by GSMArena's exact-model production review
MemoryGSMArena's production review lists 128 MB RAM and 60 MB internal storage; The Register gives 100 MB storage. Internal capacity omitted from headline configurations because the source conflict remains unresolved.128 MB installed SDRAM from GSMArena, distinct from free application memory. Maker publishes up to 110 MB internal user memory; the configuration records that user-accessible capacity.
Storage typeExact owner guide supports microSD and microSDHC; production reviews include a supplied 2 GB card. The Register reports expansion up to 16 GB; card capacity is separate from internal memory.microSD expansion up to 8 GB in the maker launch sheet; optional card capacity is not built-in storage
Cameras
Main camera3.2 MP3.2 MP
Ultra wide cameraNoneNone
Telephoto cameraNoneNone
Optical zoomNoneNone
Main camera3.2 megapixel enhanced fixed-focus camera with LED flash; no autofocus. GSMArena tests limited close-up capability and resolution; The Register reports usable daylight snapshots.3.2 MP autofocus camera with LED flash; maker gives up to 2048 × 1536 still pixels
Front cameraSecondary video-call camera in exact production reviews; resolution not inferredFront camera for video calls confirmed by maker; no sensor megapixel figure inferred
Video recordingVGA 640 × 480 at 15 fps in GSMArena's exact production review; panorama stitching is a separate still-photo modeMaker specifies QVGA video; GSMArena's production test records 320 × 240 at 15 fps
Camera features–Dedicated shutter key; scene, white-balance, exposure, self-timer and sequence controls in GSMArena's production test. Its tested software does not geotag photos.
Battery and charging
Battery1,500 mAh1,000 mAh
Wireless chargingNoneNone
Battery life detailExact owner guide specifies BP-4L; GSMArena identifies its 1500 mAh Li-Po capacity and reports up to eight hours talk/672 hours standby. These are manufacturer claims reported by the review, not measured endurance or video playback; network conditions matter.Removable BL-4U 1000 mAh Li-Ion. Maker maxima are 7.5 hours GSM or 3.5 hours WCDMA talk, and 11 days GSM or 14 days WCDMA standby. These are network operating conditions, not video-playback claims. GSMArena's stationary GPS/display-on test lasts six hours.
Wired chargingCharges through the USB port using AC-10 charger or a compatible USB data cable. Exact guide says data-cable charging is slower and USB hubs may be incompatible; no wattage inferred.Separate charging connector; compatible Nokia charger. No charging wattage published in the maker datasheet; micro-USB data support does not establish USB charging.
Design
TypeStandardStandard
Weight98 g121 g
Thickness9.9 mm13 mm
Height × width116 × 49 mm107 × 49 mm
Weight detail98 g and 116 × 49 × 9.9 mm from GSMArena's exact production review; no dimensions or weight copied from E52Maker launch sheet rounds size to 107 × 49 × 13 mm and gives 121 g. GSMArena measures/lists 107.5 × 49.5 × 13.6 mm; that greater precision is review evidence, not a silently substituted maker claim.
Materials–Stainless-steel rear cover and slider body; numeric keypad slides out below the display. This is a mechanical slider, not a folding or flexible-display phone.
ColoursBlack Aluminium, White Aluminium and Red in GSMArena's exact model table; recovered press originals cover Black and White onlyGrey Steel and White Steel in original maker launch sheet; regional availability varies
ButtonsCompact 20-key QWERTY keyboard with two letters per key, predictive completion and correction; navigation, business shortcut, volume, voice-command and camera keysNumeric keypad, navigation control and one-touch Home, Calendar, Contacts and Email keys; dedicated shutter and side volume controls
Sensors–Accelerometer and ambient light sensor
SpeakersMono loudspeaker, music player and FM radio with RDS; wired headphones supply the radio antennaBuilt-in loudspeaker and FM/Visual Radio; GSMArena reports no RDS. Compatible wired headset serves as radio antenna.
Software
Operating systemSymbianSymbian
Software at launchSymbian OS with S60 Third Edition Feature Pack 2 in exact production reviewsSymbian OS 9.2, S60 Third Edition Feature Pack 1, identified by GSMArena's production review
Software featuresMicrosoft Exchange and Lotus Notes email/calendar/contacts in maker announcement. Both production reviews test supplied Quickoffice editing; owner guide describes the editor-version requirement. GSMArena says N-Gage is supported but not preinstalled on its retail unit; online downloads may no longer exist.Business/personal home-screen profiles; Mail for Exchange, Nokia Intellisync and POP/IMAP email. PDF reader, ZIP manager and office-document viewing; editing required a Quickoffice upgrade in GSMArena's test, whereas TechRadar describes document creation. Exact tested software/upgrade status differs between reports. Historical online services may no longer operate.
Release detailMaker announced E55 on 16 February 2009 with planned second-quarter shipments. Nokia's 2009 annual sustainability report confirms E55 among products launched during the year; earliest maker-backed actual retail month unresolved, so retain year precision rather than the planned quarter or a secondary August date.Announced 16 June 2008 alongside E71, with July shipments forecast. Nokia's 2008 annual report confirms actual E66 shipments during that year; earliest worldwide retail month remains unresolved. No speculative E65 predecessor relation added while that model is absent.
In the box–GSMArena's tested package contains a compact charger, 2.5 mm headset, leather case and 2 GB microSD card with maps; regional contents may differ
Connectivity
Mobile networkQuad-band GSM 850/900/1800/1900; GSMArena exact model table lists regional HSDPA 900/1900/2100 or US 850/1900/2100. Production review reports HSDPA up to 10.2 Mbps and HSUPA up to 2 Mbps; regional bands are not one combined radio.Quad-band GSM/EGSM 850/900/1800/1900; separate WCDMA 900/2100, 850/2100 and 850/1900 variants, not one five-band handset. HSDPA up to 3.6 Mbps; WCDMA up to 384 kbps down/up. No LTE.
Wi-FiIEEE 802.11b/g and UPnP/Home media in exact GSMArena production reviewIEEE 802.11b/g
BluetoothBluetooth 2.0 + EDR in exact owner guide; A2DP stereo and AVRCP, hands-free/headset, file-transfer and SIM-access profiles among those documentedBluetooth 2.0 with EDR and A2DP stereo audio
USBMicro-USB 2.0 in exact GSMArena production review; standard 3.5 mm audio connectorMicro-USB and infrared; separate 2.5 mm AV/headset connector. GSMArena describes USB 2.0 compatibility; no Hi-Speed rate inferred from that label.
PositioningIntegrated A-GPS and digital compass. Production review tests Ovi Maps 3.0 and its original navigation trials; historical online services/licences may no longer operate.Built-in GPS with assisted GPS and Nokia Maps; original reviews describe temporary/subscription-based voice guidance. Historical online map services are not promised available today.

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