Comparison between Panasonic TX-48AS640 vs Panasonic TX-48CX400

General Info
Model Number	Panasonic TX-48AS640	Panasonic TX-48CX400

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2014	2015
Brand	Panasonic	Panasonic
Model Series	AS640	CX400
Model Number	TX-48AS640	TX-48CX400
Alias	TX-48AS640B TX-48AS640E
Display
Screen Size Class	48" (inches)	48" (inches)
Diagonal Size	47.6 in 120.9 cm 1209 mm 3.97 ft	47.6 in 120.9 cm 1209 mm 3.97 ft
Screen Width	41.5 in 105.4 cm 1054.08 mm 3.46 ft	41.49 in 105.4 cm 1053.73 mm 3.46 ft
Screen Height	23.34 in 59.3 cm 592.92 mm 1.95 ft	23.34 in 59.3 cm 592.726 mm 1.94 ft
Display Type	VA	VA
Display Bit Depth		8 bits
Frame Rate Control		No
Max Number of Colors		16777216
Bits		24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	3840 x 2160
Screen Pixel Pitch	0.549 mm	0.274 mm
Screen Pixel Density	46 ppi	93 ppi
Screen-to-Body Ratio	90.98 %	92.15 %
Backlight Source	Direct LED	Direct LED
NTSC 1953		72 %
Screen Brightness	350 cd/m²
Static Screen Contrast	3000 : 1
Screen Horizontal Viewing Angle	176 °	176 °
Screen Vertical Viewing Angle	176 °	176 °
Screen Input Lag	54 ms
Display Coating	Anti-glare/Matte
3D	Yes	Yes
Size, weight, color
Case Depth	2.24 in 5.7 cm 57 mm 0.19 ft	2.56 in 6.5 cm 65 mm 0.21 ft
Case Weight	14 kg 31 lbs	13 kg 29 lbs
Case Width with Stand	42.8 in 108.7 cm 1087 mm 3.57 ft	42.56 in 108.1 cm 1081 mm 3.55 ft
Case Height with Stand	26.61 in 67.6 cm 676 mm 2.22 ft	27.05 in 68.7 cm 687 mm 2.25 ft
Case Depth with Stand	10.24 in 26 cm 260 mm 0.85 ft	10.67 in 27.1 cm 271 mm 0.89 ft
Case Weight with Stand	15 kg 33 lbs
Case Color	Silver	Black
Hardware
System on Chip or SoC	Dual-Core Plus
CPU Cores	2	2
TV Tuner	DVB-T DVB-T2 DVB-C Analog (NTSC/PAL/SECAM)	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C
Built-in Camera	No	No
Network	LAN Wi-Fi Bluetooth DLNA	LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) Bluetooth Wi-Fi Direct DLNA
Connectivity	3 x HDMI 1.4 (ARC) 1 x SCART 1 x SD Memory Card Slot 2 x AV Component In (YPbPr + L/R) 1 x 3.5 mm Audio Out 1 x Optical Audio Out 1 x AV Composite In (Video + L/R) 2 x USB 2.0 (max 0.5 A) 1 x Antenna (RF) (female) 1 x Ethernet RJ45 1 x CI+ 1.3	1 x Ethernet RJ45 4 x HDMI 2.0 (ARC; CEC) 1 x 3.5 mm Audio Out 1 x Satellite In (Main; F-type female) 1 x AV Composite In (Video + L/R) 1 x Antenna (RF) (female) 1 x SCART 1 x D-sub 2 x USB 2.0 1 x CI+ 1.3 1 x AV Component In (YPbPr + L/R) 1 x USB 3.0 1 x Optical Audio Out
Audio
Audio Speakers	2 x 10W	2 x 10W
Features
OS	Life+ Screen
Cool Features	Brilliant Contrast Technology Content Optimiser Plus VR-Audio True Surround my Home Screen Picture-and-Text my Stream Light sensor 1080p Pure Direct TV Anywhere Adaptive Backlight Control Voice command	Picture-and-Text Viera Link (HDMI CEC) HDCP (High-bandwidth Digital Content Protection) 2.2 Picture-and-Picture
Ergonomics
Case Width	42.8 in 108.7 cm 1087 mm 3.57 ft	42.56 in 108.1 cm 1081 mm 3.55 ft
Case Height	24.88 in 63.2 cm 632 mm 2.07 ft	24.69 in 62.7 cm 627 mm 2.06 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	400 x 200	400 x 400
Removable VESA Stand	Yes	Yes
Height Adjustment	No	No
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	No	No
Frequency and Interpolation
Vertical Digital Frequency	120 Hz	60 Hz
Screen Interpolation Technology	Backlight Scanning with Inteligent Frame Creation	Real Motion Rate
Screen Interpolation Value	1200	200
Screen Interpolation Measurement Unit	BLS IFC	RMR
Accessories
Extras	Remote control - N2QAYB000829 Touch pad controller - N2QBYA000004	Remote control - RC48125(RC5)
Certificates and Standards
Usage and Storage Requirements
Safe Operating Temperature Level		0 °C - 35 °C 32 °F - 95 °F
Safe Operating Humidity Level		20 % - 80 %

Panasonic TX-48AS640

Panasonic TX-48CX400