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Nokia E51 vs Nokia E52

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

Better figure, where one is clearly better

NokiaE51NokiaE52
Overview
Released20072009
Display
Screen size2″2.4″
Resolution320 × 240320 × 240
Sharpness200 pixels per inch167 pixels per inch
PanelLCDLCD
Display typeActive-matrix TFT with up to 16 million colours; ambient-light sensor2.4-inch QVGA active-matrix TFT with up to 16 million colours; automatic landscape rotation, non-touch
Performance
Memory–128 MB
Storage130 MB60 MB
CPU–600 MHz ARM11 in GSMArena's exact production review; no specific chip identity inferred
MemoryUp to 130 MB user data storage in the maker specification sheet; physical RAM not verified in the exact maker sheet or guideUp to 60 MB internal user storage in the maker datasheet; headline storage records that maximum. 128 MB RAM from GSMArena's exact review, not inferred from free memory.
Storage typeHot-swappable microSD; maker brochure supports up to 4 GBmicroSD expansion up to 16 GB and 1 GB card supplied in maker launch/datasheet; not E60 RS-MMC or E62 miniSD
Cameras
Main camera2 MP3.2 MP
Ultra wide cameraNoneNone
Telephoto cameraNoneNone
Optical zoomNoneNone
Main cameraFixed-focus 2 MP without flash in GSMArena's camera-equipped production test3.2 megapixels, 2048 × 1536, flash and extended-depth-of-field fixed-focus lens. No autofocus or macro mode; All About Symbian finds subjects within roughly half a metre blurry.
Front camera–Secondary video-call camera in GSMArena's exact production review; resolution not inferred
Video recordingQVGA 320 × 240 at 15 fps, MPEG-4 in GSMArena's exact testVGA 640 × 480 at 15 fps in both production reviews; panorama stitching is a separate still-photo mode
Battery and charging
Battery1,050 mAh1,500 mAh
Wireless chargingNoneNone
Battery life detailRemovable 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.BP-4L 1500 mAh Li-Po; maker datasheet claims up to eight hours GSM/six hours WCDMA talk and 23 days GSM/29 days WCDMA standby. Review endurance varies with use; not video playback.
Wired chargingAC-5 charger through a separate small charger socket; miniUSB does not charge the phone in GSMArena's testCharges through micro-USB, including a compatible USB data cable; exact guide says cable charging is slower and a USB hub may not work. No charging wattage inferred.
Design
TypeStandardStandard
Weight100 g98 g
Thickness12 mm9.9 mm
Height × width115 × 46 mm116 × 49 mm
Weight detailMaker 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.Maker datasheet gives 98 g and 116 × 49 × 9.9 mm; no different configuration or hardware borrowed from E55
MaterialsStainless-steel trim and rear battery cover, with plastic upper rear section–
ColoursBlack Steel, Pink Steel and White SteelMetal Grey Aluminium, Graphite Grey and Golden Aluminium in maker datasheet; manufacturer launch gallery covers Metal Grey and Golden Aluminium
ButtonsNumeric keypad and five-way Navi key; one-touch email, contacts, calendar and home keys; side volume, mute and voice controls; email notification lightNumeric keypad, navigation key, Home/Calendar/Email one-touch keys, side volume and voice controls; exact guide describes shortcut customisation
SpeakersFM Visual Radio and MP3/AAC music playback; no RDS in GSMArena's production testMono loudspeaker, music player and FM radio with RDS; wired stereo and Bluetooth A2DP audio
Software
Operating systemSymbianSymbian
Software at launchSymbian OS 9.2 with S60 Third Edition Feature Pack 1Symbian OS 9.3, S60 Third Edition Feature Pack 2 in GSMArena's exact production review
Software featuresQuickoffice 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.Maker datasheet lists Quickoffice editors, mobile VPN and business/personal email. Both production reviews test supplied editing; owner guide qualifies editing as requiring the editor version. Early firmware/service differences retained, with no claim that historical online services still operate.
Release detailAnnounced 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.Nokia announced E52 on 6 May 2009 and planned second-half2009 availability. Maker's 2009 sustainability report lists it among products launched that year, and August production reviews establish retail units. Earliest maker-supported on-sale month unresolved, so year precision retained. No E51 predecessor link inferred from secondary descriptions.
Connectivity
Mobile networkEGSM 850/900/1800/1900 and WCDMA 850/2100; HSDPA up to 3.6 Mbit/sQuad-band GSM/EGSM 850/900/1800/1900; regional WCDMA 850/2100 or 900/2100 variants, not one four-band 3G radio. HSDPA up to 10.2 Mbps, HSUPA up to 2 Mbps.
Wi-FiIEEE 802.11g WLAN with internet callingIEEE 802.11b/g in maker datasheet; UPnP/Home media in exact production reviews
BluetoothBluetooth 2.0; wireless stereo headset support in maker brochure and A2DP verified in GSMArena's production testBluetooth 2.0 with enhanced data rates and A2DP stereo audio in maker datasheet
USBminiUSB data connector and IrDA 115 kbit/s; 2.5 mm headset socket in TechRadar's testMicro-USB with High Speed USB in maker datasheet; standard 3.5 mm AV/headset connector
PositioningNo internal GPS in TechRadar's test; Nokia Maps can use an optional external receiverIntegrated A-GPS receiver and digital compass; historical Maps navigation licences, services and downloads may no longer operate

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