Premium subscription

Limited offer: $9.99 FREE

Subscription benefits:

  • Receive exclusive deals
  • Receive promo codes for monitors and TVs
  • Be the first to read our premium content

As Amazon associates we earn from qualifying purchases.

Comparison between Sony KD-55A1 vs Sony KD-55AG9

General Info
Model Number Sony KD-55A1 Sony KD-55AG9
Price
Type TV TV
Year 2017 2019
Brand Sony Sony
Model Series A1 AG9
Model Number KD-55A1 KD-55AG9
Display
Screen Size Class 55" (inches) 55" (inches)
Diagonal Size 54.65 in
138.8 cm
1388 mm
4.55 ft
54.65 in
138.8 cm
1388 mm
4.55 ft
Screen Width 47.63 in
121 cm
1209.75 mm
3.97 ft
47.63 in
121 cm
1209.75 mm
3.97 ft
Screen Height 26.79 in
68 cm
680.483 mm
2.23 ft
26.79 in
68 cm
680.483 mm
2.23 ft
Display Manufacturer LG Display LG Display
Display Type OLED OLED
Display Bit Depth 10 bits 10 bits
Frame Rate Control No No
Max Number of Colors 1073741824 1073741824
Bits 30 30
Screen Aspect Ratio 16:9 16:9
Screen Resolution 3840 x 2160 3840 x 2160
Screen Pixel Pitch 0.315 mm 0.315 mm
Screen Pixel Density 81 ppi 81 ppi
Screen-to-Body Ratio 94.29 % 94.57 %
Backlight Source Direct LED W-LED
DCI P3 100% 99%
Rec.2020 75 75
Screen Brightness 400 cd/m² 300 cd/m²
Max Screen Brightness 700 cd/m² 700 cd/m²
Static Screen Contrast 1000 : 1
Dynamic Screen Contrast 1000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 30 ms 25 ms
Display Minimum Response Time 1 ms
Display Average Response Time 5 ms
HDR Dolby Vision
HDR10
HLG (Hybrid Log Gamma)
Dolby Vision
HDR10
HLG (Hybrid Log Gamma)
3D No No
Size, weight, color
Case Depth 3.39 in
8.6 cm
86 mm
0.28 ft
1.57 in
4 cm
40 mm
0.13 ft
Case Weight 25 kg
55 lbs
18.7 kg
41 lbs
Case Width with Stand 48.35 in
122.8 cm
1228 mm
4.03 ft
48.27 in
122.6 cm
1226 mm
4.02 ft
Case Height with Stand 27.99 in
71.1 cm
711 mm
2.33 ft
28.11 in
71.4 cm
714 mm
2.34 ft
Case Depth with Stand 13.35 in
33.9 cm
339 mm
1.11 ft
10.04 in
25.5 cm
255 mm
0.84 ft
Case Weight with Stand 28.8 kg
63 lbs
22.3 kg
49 lbs
Case Color Black Black
Hardware
System on Chip or SoC MediaTek MT5891 MediaTek MT5893
CPU ARM Cortex-A53 ARM Cortex-A73
CPU Cores 4 4
CPU Frequency 1100 1500
GPU ARM Mali-T860 MP2 ARM Mali-G71
GPU Cores 2 2
GPU Frequency 700 700
RAM Memory Size 2 2.5
Internal Storage 16 16
TV Tuner Analog (NTSC/PAL/SECAM)
DVB-T
DVB-T2
DVB-C
DVB-S
DVB-S2
Analog (NTSC/PAL/SECAM)
DVB-T
DVB-T2
DVB-C
DVB-S
DVB-S2
Built-in Camera No No
Network 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)
802.11n 5GHz
802.11ac (IEEE 802.11ac)
Bluetooth
Wi-Fi Direct
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)
802.11n 5GHz
802.11ac (IEEE 802.11ac)
Wi-Fi Direct
DLNA
Bluetooth 4.2
Connectivity 1 x Ethernet RJ45
4 x HDMI 2.0 (ARC; CEC)
1 x CI+ 1.3
1 x Satellite In (Sub; F-type female)
1 x Optical Audio Out
1 x IR Out
1 x AV Composite In 3.5 mm jack
1 x Satellite In (Main; F-type female)
2 x USB 2.0 (max 0.5 A)
1 x 3.5 mm Audio Out
1 x USB 3.0 (max 0.9 A)
1 x Antenna (RF) (female)
1 x Ethernet RJ45
4 x HDMI 2.0 (eARC; CEC)
1 x IR Out
1 x Satellite In (Sub; F-type female)
1 x Optical Audio Out
1 x AV Composite In 3.5 mm jack
1 x Satellite In (Main; F-type female)
2 x USB 2.0 (max 0.5 A)
1 x 3.5 mm Audio Out
1 x USB 3.0 (max 0.9 A)
1 x Antenna (RF) (female)
Audio
Audio Speakers 2 x 10W 2 x 20W
Built-in Subwoofer 1 x 10 2 x 10
Features
OS Android 6.0.1 Marshmallow
Android 7.0 Nougat
Android 8.0 Oreo
Android 8.0 Oreo
Android 9.0 Pie
Cool Features ClearAudio+
Super Bit Mapping 4K HDR
S-Force Front Surround sound
Triluminos Display
Clear Phase Speaker
Live Color Technology
Dynamic Contrast Enhancer
HDCP (High-bandwidth Digital Content Protection) 2.2
PVR
Object-based HDR remaster
Voice command
Dual Database Processing
DSEE (Digital Sound Enhancement Engine)
4K X-Reality Pro
Precision Color Mapping
Image Processor - X1 Extreme
BRAVIA Sync (HDMI-CEC)
Light sensor
Voice command
ClearAudio+
S-Force Front Surround sound
PVR
Super Bit mapping 4K HDR
Clear Phase Speaker
Live Color Technology
Dynamic Contrast Enhancer
HDCP (High-bandwidth Digital Content Protection) 2.3
Precision Color Mapping
Object-based HDR remaster
Triluminos Display
Dual Database Processing
DSEE (Digital Sound Enhancement Engine)
4K X-Reality Pro
Pixel Contrast Booster
Image Processor - X1 Ultimate
BRAVIA Sync (HDMI-CEC)
Light sensor
Extra Features Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 48.35 in
122.8 cm
1228 mm
4.03 ft
48.27 in
122.6 cm
1226 mm
4.02 ft
Case Height 27.99 in
71.1 cm
711 mm
2.33 ft
27.95 in
71 cm
710 mm
2.33 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 400 x 200 300 x 300
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
Forward Tilt 10 °
Backward Tilt 29 °
Frequency and Interpolation
Vertical Digital Frequency 120 Hz 120 Hz
Screen Interpolation Technology Active Motion
Screen Interpolation Value 100
Screen Interpolation Measurement Unit AM
Accessories
Extras IR extender cable IR extender cable
Certificates and Standards
Licenses ENERGY STAR
UL/cUL
ENERGY STAR
UL/cUL
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Safe Operating Humidity Level 10 % - 80 % 10 % - 80 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
Sony KD-55A1 Sony KD-55AG9