Comparison between:
- 27" EIZO EV2740X
- 54.6" Oppo Smart TV K9 55
Brand, series, model
Information about the brand, series, model and model aliases.
| EIZO EV2740X | Oppo Smart TV K9 55 | |
| Series | FlexScan | K9 |
 |  | |
| Model alias | FlexScan EV2740X EV2740X-BK EV2740X-WT | A55U1B01 |
| Model year | 2023 | 2021 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 54.6 in |
| Diagonal | 684.66 mm 68.466 cm 26.9551 in 2.2463 ft | 1388 mm 138.8 cm 54.6457 in 4.5538 ft |
| Width | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft | 1209.6 mm 120.96 cm 47.622 in 3.9685 ft |
| Height | 335.7 mm 33.57 cm 13.2165 in 1.1014 ft | 680.4 mm 68.04 cm 26.7874 in 2.2323 ft |
| Panel type | IPS | IPS |
| Panel bit depth | 8 bits | 10 bits (8 bits + FRC) |
| FRC | No | Yes |
| Colors | 16777216 colors 24 bits | 1073741824 colors 30 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p |
| Pixel pitch | 0.182 mm 0.0182 cm 0.0072 in 0.0006 ft | 0.315 mm 0.0315 cm 0.0124 in 0.001 ft |
| Pixel density | 163 ppi 64 ppcm | 80 ppi 31 ppcm |
| Display area | 91.29 % | 93.78 % |
| Backlight | W-LED | Direct LED |
| sRGB | 100 % | - |
| DCI P3 | - | 93 % |
| Brightness | 350 cd/m² | 300 cd/m² |
| Peak brightness | - | 1200 cd/m² |
| Static contrast | 2000 : 1 | - |
| HDR | - | HDR10 HLG (Hybrid Log Gamma) HDR10+ |
| Horizontal viewing angle | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° |
| Minimum response time | 5 ms 0.0050 s | 8 ms 0.0080 s |
| Maximum response time | 14 ms 0.0140 s | - |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 31 kHz - 135 kHz | - |
| Vertical frequency (digital) | 29 Hz - 61 Hz | 50 Hz / 60 Hz |
| 4K @ 60 Hz | - |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 100 V - 120 V | 100 V - 120 V |
| 220V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Power consumption (off) | 0.35 W | - |
| Power consumption (sleep) | 0.5 W | 0.5 W |
| Power consumption (average) | 16 W | 150 W |
| Power consumption (maximum) | 186 W | - |
Dimensions, weight and color
Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.
| Width | 611.6 mm 61.16 cm 24.0787 in 2.0066 ft | 1226.2 mm 122.62 cm 48.2756 in 4.023 ft |
| Height | 358.8 mm 35.88 cm 14.126 in 1.1772 ft | 715.7 mm 71.57 cm 28.1772 in 2.3481 ft |
| Depth | 60.5 mm 6.05 cm 2.3819 in 0.1985 ft | 75.2 mm 7.52 cm 2.9606 in 0.2467 ft |
| Weight | 5.5 kg 12.13 lbs | 11.8 kg 26.01 lbs |
| Width with stand | 611.6 mm 61.16 cm 24.0787 in 2.0066 ft | 1226.2 mm 122.62 cm 48.2756 in 4.023 ft |
| Height with stand | 370.8 mm 37.08 cm 14.5984 in 1.2165 ft | 771.2 mm 77.12 cm 30.3622 in 2.5302 ft |
| Depth with stand | 242 mm 24.2 cm 9.5276 in 0.794 ft | 244.3 mm 24.43 cm 9.6181 in 0.8015 ft |
| Weight with stand | 8.2 kg 18.08 lbs | 12 kg 26.46 lbs |
| Box width | - | 1340.2 mm 134.02 cm 52.7638 in 4.397 ft |
| Box height | - | 828.1 mm 82.81 cm 32.6024 in 2.7169 ft |
| Box depth | - | 143 mm 14.3 cm 5.6299 in 0.4692 ft |
| Box weight | - | 16.1 kg 35.49 lbs |
| Stand depth | 242 mm 24.2 cm 9.5276 in 0.794 ft | 244.3 mm 24.43 cm 9.6181 in 0.8015 ft |
| Colors | Black White | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes |
| VESA interface | 100 x 100 mm | 200 x 200 mm |
| Removable stand | Yes | Yes |
| Height adjustment | Yes | No |
| Height adjustment range | 195 mm 19.5 cm 7.6772 in 0.6398 ft | - |
| Landscape/portrait pivot | Yes | No |
| Left pivot | 0 ° | - |
| Right pivot | 90 ° | - |
| Left/right swivel | Yes | No |
| Left swivel | 45 ° | - |
| Right swivel | 45 ° | - |
| Forward/backward tilt | Yes | No |
| Forward tilt | 5 ° | - |
| Backward tilt | 35 ° | - |
TV tuner
The TV tuner is a device, which allows the receiving and visualization of a certain type of television signal. There are tuners for digital, analog, cable and satellite television.
| TV tuner | - | DTMB |
System on Chip (SoC)
Information about the central processor, graphic processor and the memory of the model.
| SoC | - | MediaTek MT9632 |
| Processor (CPU) | - | ARM Cortex-A53 |
| CPU cores | - | 4 |
| GPU | - | ARM Mali-G52 MC1 |
| GPU cores | - | 1 |
| RAM capacity | - | 2 GB |
| Storage | - | 16 GB |
OS, apps and software features
Information about the operating system, applications, various software features if available.
| Operating system (OS) | - | ColorOS TV 2.0 |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | 2 x 2 W | 2 x 15 W |
| - | Dolby Audio |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No |
Network
Supported network technologies and standards for exchanging data with other devices.
| Network | LAN | LAN Wi-Fi 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz Wi-Fi Direct DLNA Bluetooth 5.0 NFC |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x USB 3.2 (Type-C; upstream; 94W; DP Alt Mode) 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; downstream; data only; 15W) 1 x USB 3.2 (Type-B; Gen 1; 5 Gbps; upstream) 3 x USB 3.2 (Type-A; Gen 1; 5 Gbps; downstream) 1 x Ethernet RJ45 2 x HDMI 2.0 1 x DisplayPort 1.2 2 x 3.5 mm Audio Out | 2 x USB 2.0 1 x Ethernet RJ45 3 x HDMI 2.0 1 x Cable/Antenna In 1 x AV Composite In (Video + L/R) 1 x Optical Audio Out |
| High-bandwidth Digital Content Protection (HDCP) | - |
Features
Some additional functional features of the model.
| Features | Auto EcoView Flicker-free technology Low Blue Light Picture-by-Picture Picture-in-Picture | AI PQ Dynamic Adjustment Anti-aliasing Auto Gamma Dark Field Control De-feather Dynamic Contrast Enhancement Far-field voice control FCC Preference color management HSY Color reproduction Low Blue Light SR Super-dividing algorithm |
Image file formats
Smart TV sets allow the display of different image file formats.
| Image file formats | - | JPEG GIF PNG MPO BMP |
Audio file formats
Smart TV sets allow playing different audio file formats.
| Audio file formats/codecs | - | AAC FLAC M4A MIDI MP3 OGG WMA WAV APE AIFF ALAC |
Video file formats
Smart TV sets allow playing various video file formats.
| Video file formats/codecs | - | 3GPP AVI ASF Flash Video H.263 H.264 H.265 MKV M2TS MP4 MPEG-4 TS VC-1 VP7 VP8 VP9 VOB VRO WebM WMV |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | CB CE cTÜVus CAN ICES-3-B EAC Energy Star EPEAT FCC-B J-MOSS Green Mark PSE RCM RoHS TCO Certified 9.0 TÜV/Ergonomics TÜV/GS TÜV/S TÜV/Flicker-free TÜV/Low blue light UKCA VCCI-B WEEE | RoHS TÜV Rheinland Low Blue Light Certification |
Operating and storage conditions
There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.
| Operating temperature | 0 °C - 35 °C 32 °F - 95 °F | - |
| Operating humidity | 20 % - 80 % | - |
| Storage temperature | -20 °C - 60 °C -4 °F - 140 °F | - |
| Storage humidity | 10 % - 90 % | - |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | DisplayPort cable USB Type-C cable | Bluetooth voice remote control AV composite in cable |
| EIZO EV2740X | Oppo Smart TV K9 55 |