Product comparison · 2 telephones

Philips CD4452B Cordless phone answer machine vs Philips CD6451B Cordless phone answer machine

44specifications compared
9differ
35identical
12known for one product only

Key differences

Recording time
- CD4452B Cordless phone answer machine:15 min
- CD6451B Cordless phone answer machine:30 min
Product colour
- CD4452B Cordless phone answer machine:Black, Silver
- CD6451B Cordless phone answer machine:Black
Phonebook capacity
- CD4452B Cordless phone answer machine:100 entries
- CD6451B Cordless phone answer machine:200 entries
Display
- CD4452B Cordless phone answer machine:STN
- CD6451B Cordless phone answer machine:CSTN
Backlight colour
- CD4452B Cordless phone answer machine:Blue
- CD6451B Cordless phone answer machine:White
AC input voltage
- CD4452B Cordless phone answer machine:220 - 240 V
- CD6451B Cordless phone answer machine:120 - 230 V
AC input frequency
- CD4452B Cordless phone answer machine:50 Hz
- CD6451B Cordless phone answer machine:60 Hz
Base dimensions (WxDxH)
- CD4452B Cordless phone answer machine:116 x 110 x 81 mm
- CD6451B Cordless phone answer machine:116 x 110 x 80 mm

Side by side

Differences highlightedShow differences only

Comparison of CD4452B/51, CD6451B/57
56 specifications	A Philips CD4452B Cordless phone answer machine Model CD4452B/51 View product	B Philips CD6451B Cordless phone answer machine Model CD6451B/57 View product
Performance1 differ
Answering machine	Yes	Yes
Recording timeDiffers	15 min	30 min
Intercom	No	No
Ringer type	Polyphonic	Polyphonic
GAP compatible	Yes	Yes
Design1 differ
Mounting type	Desk	Desk
Product colourDiffers	Black, Silver	Black
Backlight buttons	Yes	Yes
Integrated antenna	Yes	Yes
Phone features1 differ
Speakerphone	Yes	Yes
Phonebook capacityDiffers	100 entries	200 entries
Dialing	Tone/Pulse	Tone/Pulse
Message counter on base	Yes	Yes
Microphone mute	Yes	Yes
Multi base capabilityKnown for one	4	Unknown — not stated by the source
Multi handset capabilityKnown for one	5	Unknown — not stated by the source
Paging function	Yes	Yes
VIP group function	Yes	Yes
VIP group with own melody	Yes	Yes
Short Message Service (SMS)Known for one	Unknown — not stated by the source	Yes
SMS storage capacityKnown for one	Unknown — not stated by the source	50
Number of SMS BoxesKnown for one	Unknown — not stated by the source	1
Call managementidentical
Caller ID	Yes	Yes
Conference callKnown for one	Yes	Unknown — not stated by the source
Call blocking	Yes	Yes
Call log entries	50	50
Call waiting	Yes	Yes
Caller ID on call waiting	Yes	Yes
Explicit call transferKnown for one	Yes	Unknown — not stated by the source
Management featuresidentical
Alarm clock	Yes	Yes
Volume control	Digital	Digital
Customizable wallpaperKnown for one	Unknown — not stated by the source	Yes
PersonalizationKnown for one	Unknown — not stated by the source	Icons
Indicationidentical
Battery charge indicator	Yes	Yes
Display2 differ
Built-in display	Yes	Yes
DisplayDiffers	STN	CSTN
Backlight colourDiffers	Blue	White
Backlight display	Yes	Yes
Display number of coloursKnown for one	Monochrome	Unknown — not stated by the source
Display number of linesKnown for one	2 lines	Unknown — not stated by the source
Display resolutionKnown for one	Unknown — not stated by the source	98 x 67 pixels
Ports & interfacesidentical
Plug and Play	Yes	Yes
Wireless connection	Yes	Yes
Power2 differ
AC input voltageDiffers	220 - 240 V	120 - 230 V
AC input frequencyDiffers	50 Hz	60 Hz
Battery type	AAA	AAA
Number of batteries supported	2	2
Talk time	12 h	12 h
Standby time	150 h	150 h
Weight & dimensions1 differ
Base dimensions (WxDxH)Differs	116 x 110 x 81 mm	116 x 110 x 80 mm
Handset dimensions (WxDxH)	46 x 26 x 160 mm	46 x 26 x 160 mm
Packaging content1 differ
Number of handsets includedDiffers	2	1
Base station	Yes	Yes
Batteryidentical
Battery technology	Nickel-Metal Hydride (NiMH)	Nickel-Metal Hydride (NiMH)
Battery capacity	750 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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