Nokia E61 vs Nokia E66

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E61 compared with E66

	NokiaE61	NokiaE66
Overview
Released
Released	2006	2008
Display
Screen size
Screen size	2.8″	2.4″
Resolution
Resolution	320 × 240	320 × 240
Sharpness
Sharpness	143 pixels per inch	167 pixels per inch (better)
Panel
Panel	LCD	LCD
Display type
Display type	2.8-inch non-touchscreen landscape LCD, 320 × 240 pixels and 16 million colours in OSnews production review. The Japanese X01NK carrier announcement describes a 2.8-inch TFT but only 262,000 colours; that planned regional specification is not transferred to the original E61.	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
Display features	–	Ambient light sensor and accelerometer-driven portrait/landscape rotation; non-touchscreen
Performance
Chip
Chip	–	ARM11 369 MHz (GSMArena)
Memory
Memory	–	128 MB
Storage
Storage	64 MB	110 MB (better)
CPU
CPU	–	369 MHz ARM11 processor identified by GSMArena's exact-model production review
Memory
Memory	Up to 64 MB fixed internal user storage in the reproduced Nokia specification at NokiaMuseum, corroborated by production reviews. Installed RAM and CPU are omitted because the maker sources read do not establish them; user storage is not physical RAM.	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 type
Storage type	Hot-swappable miniSD under the removable rear cover, confirmed by exact owner guide. OSnews and The Register received a 64 MB card; this removable card is distinct from internal storage. No maximum inferred from later E61i microSD specifications.	microSD expansion up to 8 GB in the maker launch sheet; optional card capacity is not built-in storage
Cameras
Main camera
Main camera	None	3.2 MP (better)
Ultra wide camera
Ultra wide camera	None	None
Telephoto camera
Telephoto camera	None	None
Optical zoom
Optical zoom	None	None
Main camera
Main camera	No camera in both full production reviews; later E61i is a separate camera-equipped model.	3.2 MP autofocus camera with LED flash; maker gives up to 2048 × 1536 still pixels
Front camera
Front camera	No video-call camera. Exact owner guide and OSnews describe receiving video calls and sending a static image, subject to network support.	Front camera for video calls confirmed by maker; no sensor megapixel figure inferred
Video recording
Video recording	–	Maker specifies QVGA video; GSMArena's production test records 320 × 240 at 15 fps
Camera features
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
Battery
Battery	1,500 mAh (better)	1,000 mAh
Wireless charging
Wireless charging	None	None
Battery life detail
Battery life detail	User-replaceable BP-5L, 1500 mAh identified by OSnews and the reproduced NokiaMuseum specification. OSnews achieved over seven hours of GSM talk with UMTS disabled; The Register used its test unit from Friday morning to Monday evening. These are attributed tests, not comparable maker video-playback claims.	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 charging
Wired charging	Separate charger socket; exact issue-4 guide specifies wall charging and compatible older Nokia chargers through a CA-44 adaptor. OSnews confirms no USB charging. No charging wattage published in maker sources read.	Separate charging connector; compatible Nokia charger. No charging wattage published in the maker datasheet; micro-USB data support does not establish USB charging.
Design
Type
Type	Standard	Standard
Weight
Weight	144 g	121 g (better)
Thickness
Thickness	14 mm	13 mm (better)
Height × width
Height × width	117 × 69.7 mm	107 × 49 mm
Weight detail
Weight detail	144 g and 117 × 69.7 × 14 mm from OSnews full production review and reproduced NokiaMuseum specification. Later planned Japanese X01NK announcement agrees, but does not establish the original worldwide release date.	Maker 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
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.
Colours
Colours	Silver in original recovered press photographs; no additional global finish inferred.	Grey Steel and White Steel in original maker launch sheet; regional availability varies
Buttons
Buttons	QWERTY keyboard, joystick, email and menu keys, call/end and soft keys; side volume and voice-recording key, top power key and email indicator light in exact owner guide.	Numeric keypad, navigation control and one-touch Home, Calendar, Contacts and Email keys; dedicated shutter and side volume controls
Sensors
Sensors	–	Accelerometer and ambient light sensor
Speakers
Speakers	Built-in loudspeaker and voice recorder confirmed by exact guide. Wired audio uses Pop-Port; no standard headphone socket in production tests.	Built-in loudspeaker and FM/Visual Radio; GSMArena reports no RDS. Compatible wired headset serves as radio antenna.
Software
Operating system
Operating system	Symbian	Symbian
Software at launch
Software at launch	Symbian OS 9.1 with S60 Third Edition in maker deck/reproduced launch release and production reviews.	Symbian OS 9.2, S60 Third Edition Feature Pack 1, identified by GSMArena's production review
Software features
Software features	Manufacturer guide includes Word document editing, spreadsheet and presentation tools, file manager and screen export. Original launch supports corporate email clients, mobile VPN, remote management/lock/wipe and VoIP. Functions and online services may no longer be available; early review software faults are qualified in the review summary.	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 detail
Release detail	Announced 12 October 2005 with Q1 2006 availability planned. Nokia 2006 annual report confirms first Eseries shipments during 2006, while independent production reviews establish actual retail units in 2006. Earliest worldwide retail month remains unresolved, so year precision retained. Later Japanese X01NK planned March 2007 is regional. No direct predecessor link inferred from shared family or secondary database claims.	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
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 network
Mobile network	GSM 850/900/1800/1900 and WCDMA 2100 in exact RM-89 manufacturer guide and reproduced launch release. The Register confirms no HSDPA; no LTE. Japanese X01NK carrier bands differ and are not transferred to this original global record.	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-Fi
Wi-Fi	Wi-Fi 802.11g with VoIP support in OSnews production review; exact owner guide describes wireless LAN access-point and security setup. Historical service availability is not promised today.	IEEE 802.11b/g
Bluetooth
Bluetooth	Bluetooth 1.2 from OSnews production review and reproduced NokiaMuseum specification; exact guide describes paired audio accessories, file transfer and remote SIM mode.	Bluetooth 2.0 with EDR and A2DP stereo audio
USB
USB	Full-Speed USB through proprietary Pop-Port in reproduced NokiaMuseum specification. Exact guide confirms Pop-Port for headset/accessories, a separate charger socket and infrared. Launch USB 2.0 compatibility does not establish Hi-Speed transfer.	Micro-USB and infrared; separate 2.5 mm AV/headset connector. GSMArena describes USB 2.0 compatibility; no Hi-Speed rate inferred from that label.
Positioning
Positioning	No integrated GPS in production-review evidence; external Bluetooth GPS support is separate from an internal receiver.	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.