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Nokia E50 vs Nokia E51

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

Better figure, where one is clearly better

NokiaE50NokiaE51
Overview
Released20062007
Display
Screen size–2″
Resolution320 × 240320 × 240
Sharpness–200 pixels per inch
PanelLCDLCD
Display typeQVGA 240 × 320 TFT LCD with 262,144 colours in the production reviews; not a touchscreen. Maker physical diagonal not recovered, so no headline inches inferred.Active-matrix TFT with up to 16 million colours; ambient-light sensor
Performance
Storage70 MB130 MB
Memory70 MB internal user storage in GSMArena and TechRadar's camera-equipped production tests; the camera-free configuration has no borrowed capacity. Installed physical RAM not verified in the maker guide or these tests.Up to 130 MB user data storage in the maker specification sheet; physical RAM not verified in the exact maker sheet or guide
Storage typemicroSD beneath the metal rear cover, removable without removing the battery in both tests; no maximum card capacity inferredHot-swappable microSD; maker brochure supports up to 4 GB
Cameras
Main camera1.3 MP2 MP
Ultra wide cameraNoneNone
Telephoto cameraNoneNone
Optical zoomNoneNone
Main cameraE50-1 RM-170 has a 1.3 MP camera, up to 1280 × 960 pixels in the exact maker guide. E50-2 RM-171 omits the camera; headline camera applies to the equipped configuration.Fixed-focus 2 MP without flash in GSMArena's camera-equipped production test
Video recordingQCIF 176 × 144 in GSMArena's camera-equipped production test; no unverified frame rate inferredQVGA 320 × 240 at 15 fps, MPEG-4 in GSMArena's exact test
Battery and charging
Battery970 mAh1,050 mAh
Wireless chargingNoneNone
Battery life detailRemovable BL-5C 970 mAh identified in GSMArena's exact production test. Maker launch claims up to six hours of talk; not video playback. TechRadar's 55-hour result involved weak coverage and about 20 minutes of calls.Removable BP-6MT. Maker brochure gives 1050 mAh, up to 4.4 hours GSM talk and 13 days GSM standby. GSMArena itself inconsistently gives 1050 mAh in its package description and 1070 mAh in its battery section; headline retains the maker figure.
Wired chargingSeparate small Nokia charger connector. Exact issue 1 guide lists AC-4 and DC-4; no charging wattage inferred.AC-5 charger through a separate small charger socket; miniUSB does not charge the phone in GSMArena's test
Design
TypeStandardStandard
Weight104 g100 g
Thickness15.5 mm12 mm
Height × width113 × 43.5 mm115 × 46 mm
Weight detail104 g and 113 × 43.5 × 15.5 mm from GSMArena's exact-model specification table; TechRadar rounds thickness to 16 mm. Maker dimension sheet unresolved.Maker brochure gives 100 g and 115 × 47 × 12 mm. Headline width follows TechRadar's exact-model 46 mm and GSMArena's 114.8 × 46 × 12 mm production description; the brochure's 47 mm conflicts with both.
MaterialsMetal rear battery cover with plastic sections; Silver/Black original press finishStainless-steel trim and rear battery cover, with plastic upper rear section
Colours–Black Steel, Pink Steel and White Steel
ButtonsNumeric keypad, joystick, dedicated menu and correction keys, side volume/edit/voice controls; notification light around joystickNumeric keypad and five-way Navi key; one-touch email, contacts, calendar and home keys; side volume, mute and voice controls; email notification light
SpeakersBuilt-in loudspeaker; mono headset in both reviewed packages, stereo headset or compatible adaptor sold separately. No FM radio in GSMArena's production test.FM Visual Radio and MP3/AAC music playback; no RDS in GSMArena's production test
Software
Operating systemSymbianSymbian
Software at launchSymbian OS 9.1 with S60 Third EditionSymbian OS 9.2 with S60 Third Edition Feature Pack 1
Software featuresQuickoffice views Word, Excel and PowerPoint; PDF reader, ZIP manager, Team Suite, voice functions and phone-wide search. Maker launch's two-number feature routes an office line through enterprise software; not dual-SIM hardware. Historical enterprise servers and downloads may no longer operate.Quickoffice document viewing, PDF reader, ZIP manager, Team Suite and Active notes. Maker brochure mentions attachment editors, but supplied Quickoffice does not edit in GSMArena's production test; editing requires the separate editor version. Historical enterprise email and internet-call services may no longer operate.
Release detailNokia announced E50 on 18 May 2006. Its full-year 2006 results confirm first shipments during 2006; earliest retail month unresolved, so year precision retained. May announcement and planned third-quarter shipment are not treated as sale dates. No inferred predecessor link.Announced 18 September 2007 with planned fourth-quarter availability; Nokia's actual fourth-quarter results confirm first shipments during that quarter. Earliest retail month unresolved, so year precision retained. E50 comparison remains available without an inferred manufacturer successor link.
Connectivity
Mobile networkEGSM 850/900/1800/1900, GPRS and EDGE; no UMTS or LTEEGSM 850/900/1800/1900 and WCDMA 850/2100; HSDPA up to 3.6 Mbit/s
Wi-FiNo Wi-Fi in both production testsIEEE 802.11g WLAN with internet calling
BluetoothBluetooth 2.0 in the exact owner guide, with headset/hands-free, dial-up, object/file transfer, imaging and remote SIM profiles; no A2DP support inferredBluetooth 2.0; wireless stereo headset support in maker brochure and A2DP verified in GSMArena's production test
USBPop-Port data/accessory connector, PC Suite and memory-card mass-storage modes; infrared. No standard headphone socket.miniUSB data connector and IrDA 115 kbit/s; 2.5 mm headset socket in TechRadar's test
Positioning–No internal GPS in TechRadar's test; Nokia Maps can use an optional external receiver

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