Product comparison · 2 ip phones

HP Poly Edge E450 IP Phone and PoE-enabled vs Yealink W77P IP phone Black TFT

16specifications compared
10differ
6identical
81known for one product only

Key differences

The HP Poly Edge E450 IP Phone and PoE-enabled has 1 more Ethernet LAN (RJ-45) ports than the Yealink W77P IP phone Black TFT (2 vs 1). The Yealink W77P IP phone Black TFT has 5 - 95% more operating relative humidity (H-H) than the HP Poly Edge E450 IP Phone and PoE-enabled (10 - 95% vs 5 - 95%). Handset type: Wired handset on the HP Poly Edge E450 IP Phone and PoE-enabled, Wireless handset on the Yealink W77P IP phone Black TFT. Display: IPS on the HP Poly Edge E450 IP Phone and PoE-enabled, TFT on the Yealink W77P IP phone Black TFT. Display diagonal: 8.89 cm (3.5") on the HP Poly Edge E450 IP Phone and PoE-enabled, 4.57 cm (1.8") on the Yealink W77P IP phone Black TFT.

Handset type
- Edge E450 IP Phone and PoE-enabled:Wired handset
- W77P IP phone Black TFT:Wireless handset
Display
- Edge E450 IP Phone and PoE-enabled:IPS
- W77P IP phone Black TFT:TFT
Display diagonal
- Edge E450 IP Phone and PoE-enabled:8.89 cm (3.5")
- W77P IP phone Black TFT:4.57 cm (1.8")
Display resolution
- Edge E450 IP Phone and PoE-enabled:320 x 240 pixels
- W77P IP phone Black TFT:128 x 160 pixels
Ethernet LAN data rates
- Edge E450 IP Phone and PoE-enabled:10,100,1000 Mbit/s
- W77P IP phone Black TFT:10,100 Mbit/s
Ethernet LAN interface type
- Edge E450 IP Phone and PoE-enabled:Gigabit Ethernet
- W77P IP phone Black TFT:Fast Ethernet
Ethernet LAN (RJ-45) ports
- Edge E450 IP Phone and PoE-enabled:2
- W77P IP phone Black TFT:1
Operating relative humidity (H-H)
- Edge E450 IP Phone and PoE-enabled:5 - 95%
- W77P IP phone Black TFT:10 - 95%

Side by side

Differences highlightedShow differences only

Comparison of Edge E450 IP Phone and PoE-enabled, W77P
97 specifications	A HP Poly Edge E450 IP Phone and PoE-enabled View product	B Yealink W77P IP phone Black TFT Model W77P View product
Design1 differ
Product type	IP Phone	IP Phone
Handset typeDiffers	Wired handset	Wireless handset
Product colour	Black	Black
Backlight keypadKnown for one	Unknown — not stated by the source	Yes
Device lockKnown for one	Unknown — not stated by the source	Yes
MountingKnown for one	Unknown — not stated by the source	Desk/Wall
Wall mountableKnown for one	Unknown — not stated by the source	Yes
Protection featuresKnown for one	Unknown — not stated by the source	Dust resistant, Scratch resistant, Shock resistant, Splash proof
Performanceidentical
DECT connectableKnown for one	Unknown — not stated by the source	Yes
Maximum indoor rangeKnown for one	Unknown — not stated by the source	50 m
Maximum outdoor rangeKnown for one	Unknown — not stated by the source	300 m
Dual-Tone Multi-Frequency (DTMF) modesKnown for one	Unknown — not stated by the source	SIP info
Hearing aid compatibilityKnown for one	Unknown — not stated by the source	Yes
Phone featuresidentical
Answering machineKnown for one	Unknown — not stated by the source	Yes
Simultaneous ringKnown for one	Unknown — not stated by the source	Yes
Anonymous callKnown for one	Unknown — not stated by the source	Yes
Anonymous call rejectionKnown for one	Unknown — not stated by the source	Yes
Call forwardingKnown for one	Unknown — not stated by the source	Yes
Call historyKnown for one	Unknown — not stated by the source	Yes
Call holdKnown for one	Unknown — not stated by the source	Yes
Call transferKnown for one	Unknown — not stated by the source	Yes
Call waitingKnown for one	Unknown — not stated by the source	Yes
Caller ID	Yes	Yes
Conference callKnown for one	Unknown — not stated by the source	Yes
Direct callKnown for one	Unknown — not stated by the source	Yes
Emergency callKnown for one	Unknown — not stated by the source	Yes
Full duplexKnown for one	Unknown — not stated by the source	Yes
IntercomKnown for one	Unknown — not stated by the source	Yes
Message-waiting indicator (MWI)Known for one	Unknown — not stated by the source	Yes
Phonebook capacityKnown for one	Unknown — not stated by the source	1000 entries
RedialingKnown for one	Unknown — not stated by the source	Yes
Speed diallingKnown for one	Unknown — not stated by the source	Yes
Vibrating alertKnown for one	Unknown — not stated by the source	Yes
Lines quantityKnown for one	8 lines	Unknown — not stated by the source
Management featuresidentical
Integrated voicemailKnown for one	Unknown — not stated by the source	Yes
Keypad number of keysKnown for one	Unknown — not stated by the source	25
Number of function keysKnown for one	Unknown — not stated by the source	6
Number of programmable keysKnown for one	Unknown — not stated by the source	2
Firmware upgradeableKnown for one	Unknown — not stated by the source	Yes
Display3 differ
DisplayDiffers	IPS	TFT
Display diagonalDiffers	8.89 cm (3.5")	4.57 cm (1.8")
Display resolutionDiffers	320 x 240 pixels	128 x 160 pixels
Number of simultaneous touchpointsKnown for one	Unknown — not stated by the source	20
Aspect ratioKnown for one	4:3	Unknown — not stated by the source
Audioidentical
Speakerphone	Yes	Yes
Automatic gain controlKnown for one	Unknown — not stated by the source	Yes
Comfort noise generation (CNG)Known for one	Unknown — not stated by the source	Yes
Noise reductionKnown for one	Unknown — not stated by the source	Yes
Number of melodiesKnown for one	Unknown — not stated by the source	9
Voice codecsKnown for one	G.711alaw, G.711ulaw, G.722, G.722.1, G.729ab, OPUS, iLBC	Unknown — not stated by the source
Network2 differ
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Ethernet LAN interface typeDiffers	Gigabit Ethernet	Fast Ethernet
Wi-FiKnown for one	Unknown — not stated by the source	No
BluetoothKnown for one	Unknown — not stated by the source	Yes
DHCP clientKnown for one	Unknown — not stated by the source	Yes
Wi-Fi standardsKnown for one	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Bluetooth versionKnown for one	5.0	Unknown — not stated by the source
Near Field Communication (NFC)Known for one	Yes	Unknown — not stated by the source
Security algorithmsKnown for one	WPA2-Enterprise, EAP-TLS, HTTPS	Unknown — not stated by the source
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers	2	1
USB Type-C ports quantityKnown for one	1	Unknown — not stated by the source
RJ-9 ports quantityKnown for one	1	Unknown — not stated by the source
Poweridentical
Power over Ethernet (PoE)Known for one	Unknown — not stated by the source	Yes
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Standby timeKnown for one	Unknown — not stated by the source	575 h
Talk timeKnown for one	Unknown — not stated by the source	40 h
Enduranceidentical
International Protection (IP) codeKnown for one	Unknown — not stated by the source	IP54
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Battery capacityKnown for one	Unknown — not stated by the source	1460 mAh
Battery voltageKnown for one	Unknown — not stated by the source	3.7 V
Operational conditions2 differ
Operating relative humidity (H-H)Differs	5 - 95%	10 - 95%
Operating temperature (T-T)Differs	0 - 40 °C	-10 - 50 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	-30 - 70%
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightKnown for one	Unknown — not stated by the source	7.46 kg
Handset dimensions (WxDxH)Known for one	Unknown — not stated by the source	157 x 51 x 24 mm
Base dimensions (WxDxH)Known for one	Unknown — not stated by the source	130 x 100 x 25.1 mm
Package weightDiffers	300 g	8.14 kg
Package widthKnown for one	258 mm	Unknown — not stated by the source
Package depthKnown for one	306 mm	Unknown — not stated by the source
Package heightKnown for one	89 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Base stationKnown for one	Unknown — not stated by the source	Yes
ChargerKnown for one	Unknown — not stated by the source	Yes
Ethernet cableKnown for one	Unknown — not stated by the source	Yes
Handset	Yes	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Number of handles included	1 pc(s)	1 pc(s)
Cables includedKnown for one	LAN (RJ-45)	Unknown — not stated by the source
Stand includedKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Total carbon footprint (kg of CO2e)Known for one	20	Unknown — not stated by the source
Certificatesidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Compliance certificatesKnown for one	EAC, RoHS, Federal Communications Commission (FCC), CE	Unknown — not stated by the source
Logistics dataidentical
Country of originKnown for one	China	Unknown — not stated by the source
Pallet gross weightKnown for one	357 kg	Unknown — not stated by the source
UNSPSC-codeKnown for one	43191511	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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