Product comparison · 2 telephones

Philips CD4451S/21 telephone DECT telephone Caller ID White vs Philips Design collection ID5551B/21 telephone DECT telephone Caller ID Black

30specifications compared
11differ
19identical
20known for one product only

Key differences

The Philips Design collection ID5551B/21 telephone DECT telephone Caller ID Black has 15 min more recording time than the Philips CD4451S/21 telephone DECT telephone Caller ID White (30 min vs 15 min). The Philips Design collection ID5551B/21 telephone DECT telephone Caller ID Black has 100 entries more phonebook capacity than the Philips CD4451S/21 telephone DECT telephone Caller ID White (200 entries vs 100 entries). The Philips CD4451S/21 telephone DECT telephone Caller ID White has 3 more multi base capability than the Philips Design collection ID5551B/21 telephone DECT telephone Caller ID Black (4 vs 1). Product colour: White on the Philips CD4451S/21 telephone DECT telephone Caller ID White, Black on the Philips Design collection ID5551B/21 telephone DECT telephone Caller ID Black. Display: STN on the Philips CD4451S/21 telephone DECT telephone Caller ID White, FSTN on the Philips Design collection ID5551B/21 telephone DECT telephone Caller ID Black.

Recording time
- CD4451S/21 telephone DECT telephone Caller ID White:15 min
- Design collection ID5551B/21 telephone DECT telephone Caller ID Black:30 min
Product colour
- CD4451S/21 telephone DECT telephone Caller ID White:White
- Design collection ID5551B/21 telephone DECT telephone Caller ID Black:Black
Phonebook capacity
- CD4451S/21 telephone DECT telephone Caller ID White:100 entries
- Design collection ID5551B/21 telephone DECT telephone Caller ID Black:200 entries
Multi base capability
- CD4451S/21 telephone DECT telephone Caller ID White:4
- Design collection ID5551B/21 telephone DECT telephone Caller ID Black:1
Display
- CD4451S/21 telephone DECT telephone Caller ID White:STN
- Design collection ID5551B/21 telephone DECT telephone Caller ID Black:FSTN
Display number of lines
- CD4451S/21 telephone DECT telephone Caller ID White:2 lines
- Design collection ID5551B/21 telephone DECT telephone Caller ID Black:5 lines
AC input frequency
- CD4451S/21 telephone DECT telephone Caller ID White:50 Hz
- Design collection ID5551B/21 telephone DECT telephone Caller ID Black:50 - 60 Hz
Number of batteries supported
- CD4451S/21 telephone DECT telephone Caller ID White:2
- Design collection ID5551B/21 telephone DECT telephone Caller ID Black:1

Side by side

Differences highlightedShow differences only

Comparison of CD4451S/21, ID5551B/21
50 specifications	A Philips CD4451S/21 telephone DECT telephone Caller ID White Model CD4451S/21 View product	B Philips Design collection ID5551B/21 telephone DECT telephone Caller ID Black Model ID5551B/21 View product
Performance1 differ
Type	DECT telephone	DECT telephone
Answering machine	Yes	Yes
Recording timeDiffers	15 min	30 min
Ringer type	Polyphonic	Polyphonic
Design1 differ
Mounting type	Desk	Desk
Product colourDiffers	White	Black
Backlight buttons	Yes	Yes
Integrated antenna	Yes	Yes
Big buttonsKnown for one	Unknown — not stated by the source	Yes
Phone features2 differ
Speakerphone	Yes	Yes
Phonebook capacityDiffers	100 entries	200 entries
Babyphone functionKnown for one	Yes	Unknown — not stated by the source
Dialing	Tone/Pulse	Tone/Pulse
Message counter on base	Yes	Yes
Multi base capabilityDiffers	4	1
Multi handset capability	5	5
VIP group with own melodyKnown for one	Yes	Unknown — not stated by the source
Dialer locationKnown for one	Unknown — not stated by the source	Handset
Microphone muteKnown for one	Unknown — not stated by the source	Yes
Paging functionKnown for one	Unknown — not stated by the source	Yes
Call managementidentical
Caller ID	Yes	Yes
Call log entriesKnown for one	50	Unknown — not stated by the source
Caller ID on call waitingKnown for one	Yes	Unknown — not stated by the source
Redial list capacityKnown for one	Unknown — not stated by the source	10
Conference callKnown for one	Unknown — not stated by the source	Yes
Call list capacity phonebookKnown for one	Unknown — not stated by the source	50
Explicit call transferKnown for one	Unknown — not stated by the source	Yes
Management featuresidentical
Alarm clock	Yes	Yes
Volume control	Digital	Digital
Indicationidentical
Battery charge indicator	Yes	Yes
Display2 differ
Built-in display	Yes	Yes
DisplayDiffers	STN	FSTN
Backlight colour	Blue	Blue
Backlight display	Yes	Yes
Display number of coloursKnown for one	Monochrome	Unknown — not stated by the source
Display number of linesDiffers	2 lines	5 lines
Ports & interfacesidentical
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Wireless connectionKnown for one	No	Unknown — not stated by the source
Power2 differ
AC input voltage	220 - 240 V	220 - 240 V
AC input frequencyDiffers	50 Hz	50 - 60 Hz
Battery typeKnown for one	AAA NiMH	Unknown — not stated by the source
Number of batteries supportedDiffers	2	1
Talk timeKnown for one	12 h	Unknown — not stated by the source
Standby timeKnown for one	150 h	Unknown — not stated by the source
Weight & dimensions2 differ
Base dimensions (WxDxH)Differs	116 x 110 x 81 mm	128 x 69 x 85 mm
Handset dimensions (WxDxH)Differs	46 x 26 x 160 mm	144 x 43 x 14.5 mm
Battery1 differ
Battery capacityDiffers	750 mAh	500 mAh
Other featuresidentical
Signal strength indication	Yes	Yes
Packaging contentidentical
Base stationKnown for one	Unknown — not stated by the source	Yes
Headset includedKnown for one	Unknown — not stated by the source	Yes

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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