Samsung QLED Q7F (2017) vs Samsung QLED Q9F (2017)
Better figure, where one is clearly better
| SamsungQLED Q7F (2017) | SamsungQLED Q9F (2017) | |
|---|---|---|
| Overview | ||
| Released | 2017 | 2017 |
| Display | ||
| Panel | LED LCD | LED LCD |
| Panel detail | Flat quantum-dot LED-backlit LCD. AVForums identifies its tested UK 55-inch panel as 10-bit VA with LEDs along the bottom edge; Samsung's UK size tables do not specify the LCD matrix or native refresh rate for the other sizes. | Flat quantum-dot LED-backlit LCD. TechRadar and Les Numériques identify the reviewed 65-inch panel as side edge-lit; Samsung's UK tables do not publish a native refresh rate or backlight layout for every size. |
| Resolution | 3840 × 2160 (4K) | 3840 × 2160 (4K) |
| HDR formats | HDR10, HDR10+, HLG | HDR10, HDR10+, HLG |
| HDR extras | Samsung's QHDR 1500 is a product label, not a measured 1500-nit result. Samsung confirmed HDR10+ on its 2017 UHD range through Prime Video in December 2017; the initial UK maker tables do not specify HDR formats or whether other sources gained HDR10+. | Samsung's UK 65-inch table says QHDR 2000 and the 88-inch table QHDR 1500; these are product labels, not measured peak brightness. TechRadar says HLG and HDR10+ were awaiting firmware at review time. Samsung later confirmed HDR10+ on its 2017 UHD TV range through Prime Video; support from other sources is not established here. |
| Screen finish | Moth Eye anti-reflection treatment in each UK size table. | Moth Eye anti-reflection treatment in both available UK maker tables. |
| Colour range | Samsung's March 2017 launch claimed 100% colour volume for the QLED family. AVForums measured 95% DCI-P3 xy on its exact UK 55-inch test; this is a reviewer measurement, not a maker specification for every size. | Samsung's 2017 QLED launch claimed 100% colour volume. Les Numériques measured strong colour on its exact European 65-inch unit but found its Cinema-mode colour error above its preferred threshold; neither figure is assigned to other sizes. |
| Picture processing | Samsung UK lists Auto Motion Plus, Supreme UHD Dimming, Q Viewing Angle and a 3100 Picture Quality Index. The index is a processing score, not the native panel refresh rate. Samsung Spain calls the 55-inch processor Q Engine, while the UK table says quad-core. | Q Engine, Supreme UHD Dimming, Auto Motion Plus and Picture Quality Index 3400 appear in the separate 65 and 88-inch UK tables. PQI is Samsung's processing score, not native panel Hz. |
| Picture modes | Film Mode and Auto Motion Plus in each UK maker table. What Hi-Fi? recommends reducing contrast enhancement and sharpening on its 55-inch test unit. | Film Mode, Auto Motion Plus and Contrast Enhancer in the UK maker tables. Les Numériques preferred Cinema mode with reduced dynamic processing on its 65-inch unit. |
| Motion handling | AVForums identifies a 100 Hz native panel in its UK 55-inch test and finds motion mostly good; What Hi-Fi? finds no ideal processing setting. The UK maker tables do not publish native Hz for all four sizes, so the main refresh row is omitted. | Les Numériques finds Auto Motion Plus effective on its 65-inch unit but suggests a custom setting to avoid the video-like interpolation effect. Samsung does not publish native Hz for both sizes in the UK tables, so the main refresh row is omitted. |
| Viewing angle | Both independent UK 55-inch reviews find colour and black levels deteriorate away from the centre despite Samsung's Q Viewing Angle claim. | Both independent 65-inch reviews find visible loss of contrast and colour off-centre despite Samsung's Q Viewing Angle label. |
| Sizes | ||
| Sizes | 49, 55, 65, 75″ | 65, 88″ |
| Largest size | 75″ | 88″ (better) |
| Gaming | ||
| HDMI ports | 4 (0 HDMI 2.1 at 4K 120 Hz+) | 4 (0 HDMI 2.1 at 4K 120 Hz+) |
| Variable refresh rate | None | None |
| HDMI detail | Four HDMI 2.0b inputs on the reviewed UK 55-inch One Connect box, accepting up to 4K 60p with HDR10/HLG and HDCP 2.2 (AVForums). Samsung's separate UK maker tables list four HDMI inputs and ARC on every size; no 4K 120 Hz or eARC capability is claimed. | Four HDMI 2.0a inputs on the 65-inch One Connect box according to TechRadar and Les Numériques; both UK maker tables list four HDMI inputs with ARC. No 4K 120 Hz or eARC capability is claimed. |
| Input lag | 23.8 ms (What Hi-Fi?) and 17.4 ms (AVForums) measured in Game Mode on separate exact UK 55-inch units; review measurements differ and are not assigned to other sizes. | 21 ms in Game Mode and 76 ms in Cinema mode on the European 65-inch Les Numériques review unit; these measurements are not assigned to other sizes. |
| Game features | Manual Game Mode in the UK maker tables. The 55-inch AVForums test found motion interpolation raised input lag to about 79 ms, compared with 17.4 ms in plain Game Mode. | Game Mode in both UK maker tables. No VRR or automatic low-latency mode is confirmed for this model. |
| Smart TV and sound | ||
| Smart TV platform | Tizen | Tizen |
| Processor | Quad-core | Q Engine |
| Speakers | 40 W | 60 W, 4.2 channels (better) |
| Wi-Fi | Wi-Fi | Wi-Fi |
| Bluetooth | – | Bluetooth audio and Bluetooth Low Energy |
| Speaker detail | Samsung's separate UK maker tables specify 40 W across all four sizes, with 2.2 channels at 49 inches and 4.2 at 55, 65 and 75 inches. AVForums describes its exact 55-inch review unit as 2.2 channels; the disputed 55-inch channel figure is omitted from the main specification. | Samsung's UK 65 and 88-inch maker tables specify 60 W and 4.2 channels with a woofer. Les Numériques found the 65-inch sound clear for dialogue but still preferred external speakers for films. |
| Audio features | Dolby Digital Plus, DTS codec, woofer, Multiroom Link and Bluetooth audio in Samsung's UK maker tables. No Dolby Atmos or DTS:X claim is made. | Dolby Digital Plus, DTS codec, Multiroom Link and Bluetooth audio in both UK maker tables. |
| Voice assistants | Voice interaction with UK English support in Samsung's 2017 UK maker tables; today's service availability may differ. | Voice interaction with UK English support in the 2017 UK maker tables; present-day service availability may differ. |
| Casting | Samsung Smart View, mobile mirroring, DLNA, Wi-Fi Direct and Bluetooth Low Energy in the UK maker tables. | Samsung Smart View, mobile mirroring, DLNA, Wi-Fi Direct and Bluetooth Low Energy in the UK maker tables. |
| TV tuners | Twin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.3, UK MHEG 5, programme guide, PVR and time shift in the UK maker tables. | Twin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.3, UK MHEG 5, programme guide, PVR and time shift in both UK maker tables. |
| USB | Three USB inputs on the One Connect box in the UK maker tables. | Three USB inputs in both UK maker tables. |
| Ethernet | Ethernet LAN built in. | Ethernet LAN built in. |
| Optical audio out | One optical digital audio output. | One optical digital audio output. |
| Design and power | ||
| Size | Without stand, width × height × depth: 49-inch 1089.4 × 627 × 44.9 mm; 55-inch 1225.2 × 703.6 × 44.9 mm; 65-inch 1444.1 × 826.4 × 45 mm; 75-inch 1671.2 × 957.9 × 53.2 mm. Configuration weights exclude stand. Each size is from its own UK maker table. | Without stand, width × height × depth: 65-inch 1449.7 × 829.3 × 24.9 mm; 88-inch 1979 × 1131 × 30.4 mm. Configuration weights exclude stand. Samsung UK also identifies 55 and 75-inch Q9F models; their UK model-specific spec tables were unavailable, so their figures are not inferred from the 65 or 88-inch tables. |
| Stand | Sterling Silver central metal tripod. With-stand weights from separate UK maker tables: 49-inch 18 kg; 55-inch 21.2 kg; 65-inch 29.8 kg; 75-inch 42.9 kg. One Connect has its own mains cable and joins the screen by a thin optical cable. | Samsung's Simple Stand uses two feet on the 65-inch model. With-stand weight: 65-inch 30 kg; 88-inch 74.5 kg. The separate One Connect box holds inputs and has its own power cable; a thin optical lead joins it to the TV. |
| Power use | Maximum from separate UK maker tables: 49-inch 155 W; 55-inch 180 W; 65-inch 225 W; 75-inch 280 W. | Maximum from each UK maker table: 65-inch 335 W; 88-inch 440 W. |
| Energy class | Old energy labels: B at 49/55 inches and A at 65/75 inches. These are not today's A–G ratings. | B in the old UK energy-label scale for both verified sizes; not today's A–G scale. |
| Colours | Sterling Silver front and metal stand in the UK maker tables. | Charcoal Black front in both UK maker tables. |
| In the box | The UK maker tables name the TM1790A One Remote and TM1240A conventional remote for UK/IE, plus One Connect, power cable, user/e-manual and stand. A No Gap wall mount is optional. | Samsung's UK maker tables list TM1790A Smart Control plus a TM1240A remote for UK/IE, power cable, manual and e-manual. No Gap wall mount is included with the 88-inch model but optional on the 65-inch. |
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