Product comparison · 2 ip phones

HP Poly Edge E400 IP Phone and PoE-enabled vs HP Poly Edge E550 IP Phone and PoE-enabled

Key differences

Lines quantity
- Edge E400 IP Phone and PoE-enabled:8 lines
- Edge E550 IP Phone and PoE-enabled:12 lines
Display diagonal
- Edge E400 IP Phone and PoE-enabled:8.89 cm (3.5")
- Edge E550 IP Phone and PoE-enabled:12.7 cm (5")
Display resolution
- Edge E400 IP Phone and PoE-enabled:320 x 240 pixels
- Edge E550 IP Phone and PoE-enabled:800 x 480 pixels
Aspect ratio
- Edge E400 IP Phone and PoE-enabled:4:3
- Edge E550 IP Phone and PoE-enabled:5:3
Wi-Fi
- Edge E400 IP Phone and PoE-enabled:No
- Edge E550 IP Phone and PoE-enabled:Yes
Bluetooth
- Edge E400 IP Phone and PoE-enabled:No
- Edge E550 IP Phone and PoE-enabled:Yes
Total carbon footprint (kg of CO2e)
- Edge E400 IP Phone and PoE-enabled:20
- Edge E550 IP Phone and PoE-enabled:40

Differences highlightedShow differences only

Comparison of Edge E400 IP Phone and PoE-enabled, Edge E550 IP Phone and PoE-enabled
42 specifications	A HP Poly Edge E400 IP Phone and PoE-enabled View product	B HP Poly Edge E550 IP Phone and PoE-enabled View product
Phone features1 differ
Lines quantityDiffers	8 lines	12 lines
Display3 differ
Display diagonalDiffers	8.89 cm (3.5")	12.7 cm (5")
Display resolutionDiffers	320 x 240 pixels	800 x 480 pixels
Aspect ratioDiffers	4:3	5:3
Network3 differ
Wi-FiDiffers	No	Yes
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	5.0
Security algorithmsDiffers	HTTPS	WPA2-Enterprise, EAP-TLS, HTTPS
Technical details1 differ
Total carbon footprint (kg of CO2e)Differs	20	40
Packaging contentidentical
Stand includedKnown for one	Yes	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.