HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply vs Yealink W57R IP phone Black 2 lines TFT

Key differences

The HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply has 2 lines more lines quantity than the Yealink W57R IP phone Black 2 lines TFT (4 lines vs 2 lines). The HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply has 2.4 A more AC adapter output current than the Yealink W57R IP phone Black 2 lines TFT (3 A vs 0.6 A). The Yealink W57R IP phone Black 2 lines TFT has 5 - 95% more operating relative humidity (H-H) than the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply (10 - 95% vs 5 - 95%). Only the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply has Ethernet LAN. Only the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply has power over Ethernet (PoE).

• Handset type
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:Wired handset
  • W57R IP phone Black 2 lines TFT:Wireless handset
• Lines quantity
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:4 lines
  • W57R IP phone Black 2 lines TFT:2 lines
• Display
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:LED
  • W57R IP phone Black 2 lines TFT:TFT
• Display diagonal
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:7.11 cm (2.8")
  • W57R IP phone Black 2 lines TFT:4.57 cm (1.8")
• Display resolution
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:320 x 240 pixels
  • W57R IP phone Black 2 lines TFT:128 x 160 pixels
• Ethernet LAN
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:Yes
  • W57R IP phone Black 2 lines TFT:No
• Power over Ethernet (PoE)
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:Yes
  • W57R IP phone Black 2 lines TFT:No
• AC adapter output current
  • OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply:3 A
  • W57R IP phone Black 2 lines TFT:0.6 A