Product comparison · 2 telephones

Philips CD1502B/51 telephone Caller ID Black vs Philips CD4451S/21 telephone DECT telephone Caller ID White

29specifications compared
13differ
16identical
22known for one product only

Key differences

The Philips CD4451S/21 telephone DECT telephone Caller ID White has 40 more call log entries than the Philips CD1502B/51 telephone Caller ID Black (50 vs 10). The Philips CD4451S/21 telephone DECT telephone Caller ID White has 50 entries more phonebook capacity than the Philips CD1502B/51 telephone Caller ID Black (100 entries vs 50 entries). The Philips CD4451S/21 telephone DECT telephone Caller ID White has 3 more multi base capability than the Philips CD1502B/51 telephone Caller ID Black (4 vs 1). Only the Philips CD4451S/21 telephone DECT telephone Caller ID White has answering machine. Only the Philips CD1502B/51 telephone Caller ID Black has wireless connection.

Answering machine
- CD1502B/51 telephone Caller ID Black:No
- CD4451S/21 telephone DECT telephone Caller ID White:Yes
Product colour
- CD1502B/51 telephone Caller ID Black:Black
- CD4451S/21 telephone DECT telephone Caller ID White:White
Call log entries
- CD1502B/51 telephone Caller ID Black:10
- CD4451S/21 telephone DECT telephone Caller ID White:50
Phonebook capacity
- CD1502B/51 telephone Caller ID Black:50 entries
- CD4451S/21 telephone DECT telephone Caller ID White:100 entries
Multi base capability
- CD1502B/51 telephone Caller ID Black:1
- CD4451S/21 telephone DECT telephone Caller ID White:4
Multi handset capability
- CD1502B/51 telephone Caller ID Black:4
- CD4451S/21 telephone DECT telephone Caller ID White:5
Display
- CD1502B/51 telephone Caller ID Black:TN
- CD4451S/21 telephone DECT telephone Caller ID White:STN
Backlight colour
- CD1502B/51 telephone Caller ID Black:Amber
- CD4451S/21 telephone DECT telephone Caller ID White:Blue

Side by side

Differences highlightedShow differences only

Comparison of CD1502B/51, CD4451S/21
51 specifications	A Philips CD1502B/51 telephone Caller ID Black Model CD1502B/51 View product	B Philips CD4451S/21 telephone DECT telephone Caller ID White Model CD4451S/21 View product
Performance1 differ
Answering machineDiffers	No	Yes
IntercomKnown for one	No	Unknown — not stated by the source
Maximum indoor rangeKnown for one	50 m	Unknown — not stated by the source
Maximum outdoor rangeKnown for one	300 m	Unknown — not stated by the source
Ringer type	Polyphonic	Polyphonic
TypeKnown for one	Unknown — not stated by the source	DECT telephone
Recording timeKnown for one	Unknown — not stated by the source	15 min
Design1 differ
Mounting type	Desk	Desk
Product colourDiffers	Black	White
Integrated antenna	Yes	Yes
Backlight buttonsKnown for one	Unknown — not stated by the source	Yes
Call management1 differ
Caller ID	Yes	Yes
Redial list capacityKnown for one	5	Unknown — not stated by the source
Conference callKnown for one	Yes	Unknown — not stated by the source
Call log entriesDiffers	10	50
Call waitingKnown for one	Yes	Unknown — not stated by the source
Explicit call transferKnown for one	Yes	Unknown — not stated by the source
Caller ID on call waitingKnown for one	Unknown — not stated by the source	Yes
Phone features3 differ
Phonebook capacityDiffers	50 entries	100 entries
Dialing	Tone/Pulse	Tone/Pulse
Microphone muteKnown for one	Yes	Unknown — not stated by the source
Multi base capabilityDiffers	1	4
Multi handset capabilityDiffers	4	5
Paging functionKnown for one	Yes	Unknown — not stated by the source
SpeakerphoneKnown for one	Unknown — not stated by the source	Yes
Babyphone functionKnown for one	Unknown — not stated by the source	Yes
Message counter on baseKnown for one	Unknown — not stated by the source	Yes
VIP group with own melodyKnown for one	Unknown — not stated by the source	Yes
Management featuresidentical
Volume control	Digital	Digital
Alarm clockKnown for one	Unknown — not stated by the source	Yes
Indicationidentical
Battery charge indicator	Yes	Yes
Display2 differ
Built-in display	Yes	Yes
DisplayDiffers	TN	STN
Backlight colourDiffers	Amber	Blue
Backlight display	Yes	Yes
Display number of colours	Monochrome	Monochrome
Display number of linesKnown for one	Unknown — not stated by the source	2 lines
Ports & interfaces1 differ
Wireless connectionDiffers	Yes	No
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power1 differ
AC input voltage	220 - 240 V	220 - 240 V
AC input frequency	50 Hz	50 Hz
Battery typeDiffers	AAA	AAA NiMH
Number of batteries supported	2	2
Talk time	12 h	12 h
Standby time	150 h	150 h
Weight & dimensions2 differ
Base dimensions (WxDxH)Differs	120 x 114 x 83 mm	116 x 110 x 81 mm
Handset dimensions (WxDxH)Differs	162 x 48 x 29 mm	46 x 26 x 160 mm
Packaging contentidentical
Number of handsets includedKnown for one	2	Unknown — not stated by the source
Battery1 differ
Battery technologyKnown for one	Nickel-Metal Hydride (NiMH)	Unknown — not stated by the source
Battery capacityDiffers	550 mAh	750 mAh
Other featuresidentical
Signal strength indication	Yes	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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