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Product comparison · 2 ip phones

HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply vs Yealink W78P IP phone Black TFT

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  • 27specifications compared
  • 14differ
  • 13identical
  • 65known for one product only

Key differences

The HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply has 1 more Ethernet LAN (RJ-45) ports than the Yealink W78P IP phone Black TFT (2 vs 1). The Yealink W78P IP phone Black TFT has 5 - 95% more operating relative humidity (H-H) than the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply (10 - 95% vs 5 - 95%). The Yealink W78P IP phone Black TFT has 5.8 kg more weight than the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply (6.84 kg vs 1.04 kg). Only the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply has power over Ethernet (PoE). Product type: IP Phone on the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply, IP mobile phone on the Yealink W78P IP phone Black TFT.

  • Product type
    • IP Phone
    • IP mobile phone
  • Handset type
    • Wired handset
    • Wireless handset
  • Display
    • LED
    • TFT
  • Display diagonal
    • 10.9 cm (4.3")
    • 6.1 cm (2.4")
  • Display resolution
    • 480 x 272 pixels
    • 240 x 320 pixels
  • Ethernet LAN data rates
    • 10,100,1000 Mbit/s
    • 10,100 Mbit/s
  • Ethernet LAN interface type
    • Gigabit Ethernet
    • Fast Ethernet
  • Ethernet LAN (RJ-45) ports
    • 2
    • 1

Side by side

Differences highlightedShow differences only
92 specifications
A

HP Poly

OBi VVX 450 12-Line IP Phone and PoE-enabled with Power SupplyView product
B

Yealink

W78P IP phone Black TFT

Model W78P

View product
Design2 differ
Product typeDiffersIP PhoneIP mobile phone
Handset typeDiffersWired handsetWireless handset
Product colourBlackBlack
Backlight keypadKnown for oneYes
Device lockKnown for oneYes
MountingKnown for oneDesk/Wall
Wall mountableKnown for oneYes
Performanceidentical
DECT connectableKnown for oneYes
Maximum indoor rangeKnown for one50 m
Maximum outdoor rangeKnown for one300 m
Hearing aid compatibilityKnown for oneYes
Phone featuresidentical
Answering machineKnown for oneYes
Simultaneous ringKnown for oneYes
Anonymous callKnown for oneYes
Anonymous call rejectionKnown for oneYes
Call forwardingYesYes
Call historyKnown for oneYes
Call holdYesYes
Call transferYesYes
Call waitingYesYes
Caller IDKnown for oneYes
Conference callYesYes
Direct callKnown for oneYes
Emergency callKnown for oneYes
Full duplexKnown for oneYes
IntercomKnown for oneYes
Message-waiting indicator (MWI)Known for oneYes
Phonebook capacityKnown for one1000 entries
RedialingYesYes
Speed diallingYesYes
Vibrating alertKnown for oneYes
Lines quantityKnown for one12 lines
Distinctive ringKnown for oneYes
Do not disturb functionKnown for oneYes
Management featuresidentical
Integrated voicemailKnown for oneYes
Keypad number of keysKnown for one25
Number of function keysKnown for one6
Firmware upgradeableKnown for oneYes
Display3 differ
DisplayDiffersLEDTFT
Display diagonalDiffers10.9 cm (4.3")6.1 cm (2.4")
Display resolutionDiffers480 x 272 pixels240 x 320 pixels
Number of simultaneous touchpointsKnown for one20
TouchscreenKnown for oneNo
Audioidentical
SpeakerphoneYesYes
Automatic gain controlKnown for oneYes
Comfort noise generation (CNG)YesYes
Noise reductionKnown for oneYes
Number of melodiesKnown for one9
Voice activity detectionKnown for oneYes
Voice codecsKnown for oneG.711, G.722, G.722.1, G.729ab, OPUS, iLBC
Network2 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s10,100 Mbit/s
Ethernet LAN interface typeDiffersGigabit EthernetFast Ethernet
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.1
DHCP clientKnown for oneYes
Quality of Service (QoS) supportKnown for oneYes
Security algorithmsKnown for one802.1x RADIUS, HTTPS, TLS
SyslogKnown for oneYes
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers21
USB 2.0 ports quantityKnown for one2
Certificates1 differ
CertificationDiffersFCC Part 15 (CFR 47) Class B ICES-003 Class B EN55032 Class B CISPR32 Class B VCCI Class B EN55024 EN61000-3-2; EN61000-3-3 NZ Telepermit Korea KCC3 UAE TRA Russia CU3 Brazil ANATEL3 Australia RCM South Africa ICASA3 Saudi Arabia CITC China CCC3 RoHS Complian TAACE, FCC, RoHS, REACH, ISO 9001
Compliance certificatesKnown for oneRoHS, Federal Communications Commission (FCC), CE, REACH
Sustainability certificatesKnown for oneENERGY STAR
SafetyKnown for oneUL 60950-1/62368-1, CE Mark, CAN/CSA C22.2 No 60950-1/62368-1-1, EN 60950-1/62368-1, IEC 60950-1/62368-1, AS/NZS 60950-1
Power1 differ
Power over Ethernet (PoE)DiffersYesNo
AC adapter input voltageKnown for one100 - 240 V
Standby timeKnown for one166 h
Talk timeKnown for one21 h
AC adapter output voltageKnown for one5 V
AC adapter output currentKnown for one3 A
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityKnown for one1460 mAh
Battery voltageKnown for one3.7 V
Operational conditions3 differ
Operating relative humidity (H-H)Differs5 - 95%10 - 95%
Operating temperature (T-T)Differs0 - 40 °C-10 - 50 °C
Storage temperature (T-T)Differs-40 - 70 °C-30 - 70 °C
Weight & dimensions1 differ
WeightDiffers1.04 kg6.84 kg
Handset dimensions (WxDxH)Known for one157 x 51 x 24 mm
Base dimensions (WxDxH)Known for one130 x 100 x 25.1 mm
Package weightKnown for one7.55 kg
WidthKnown for one240 mm
DepthKnown for one57 mm
HeightKnown for one230 mm
Packaging contentidentical
AC adapter includedYesYes
Base stationKnown for oneYes
ChargerKnown for oneYes
Ethernet cableKnown for oneYes
HandsetKnown for oneYes
ManualKnown for oneYes
Number of handles included1 pc(s)1 pc(s)
Technical detailsidentical
Warranty periodKnown for one1 year(s)

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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