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| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Acer Predator Z321QU |  Samsung C34F791WQU | |
|---|---|---|
| Screen size | 31.5 in | 34.0 in |
| Brightness | 300.0 cd/m² | 250.0 cd/m² |
| Aspect ratio | 16:9 | 21:9 |
| Acer Predator Z321QU | Samsung C34F791WQU | |
|---|---|---|
| Colour of product | Black | White |
| Panel design | Curved | Curved |
| Built-in USB hub | yes | yes |
| Touchscreen | no | no |
| Built-in camera | no | no |
| Screen surface | Matte | Matte |
| Built-in speakers | yes | yes |
| Acer Predator Z321QU | Samsung C34F791WQU | |
|---|---|---|
| Height adjustment | 4.72 in | 3.94 in |
| Height (min-max) | 484 - 604 | < 516 |
| Height with stand | 18.01 in | 20.31 in |
| Depth (with stand) | 11.81 in | 12.18 in |
| Width (with stand) | 28.43 in | 31.84 in |
| Weight | 373.9 oz | 0.27 oz |
| Acer Predator Z321QU | Samsung C34F791WQU | |
|---|---|---|
| Number of USB 3.0 ports | 5 | 2 |
| USB connectors (total) | 5 | 2 |
| Component input (YPbPr/YCbCr) | no | no |
| Composite input | no | no |
| DisplayPort | yes | yes |
| DVI Port | no | no |
| HDMI | yes | yes |
| HDMI ports quantity | 1 | 2 |
| Number of HDMI inputs | 1 | 2 |
| HDMI version | 1.4 | 2.0 |
| Headphone output | no | yes |
| S-video input | no | no |
| Thunderbolt | no | no |
| VGA in | no | no |
| Number of DisplayPort inputs | 1 | 1 |
| DisplayPort version | 1.2 | 1.2a |
| Type of DisplayPort connector | Standard | Standard |
| Acer Predator Z321QU | Samsung C34F791WQU | |
|---|---|---|
| Maximum resolution | 2560 x 1440 px | 3440 x 1440 px |
| Supported graphics resolutions | 2560x1440 | 3440 x 1440 |
| Refresh rate | 165.0 Hz | 100.0 Hz |
| HD type | Wide Quad HD | Ultra-Wide Quad HD |
| Display number of colours | 16.78 million colours | 16.78 million colours |
| Colour depth (per channel) | 8.0 bit | 8.0 bit |
| Colour gamut (NTSC) | 72.0 % | 88.0 % |
| Dynamic contrast ratio | 100000000:1 | 100000000:1 |
| Contrast ratio | 3000:1 | 3000:1 |
| Display technology | LED | LED |
| Backlight | LED backlight | LED |
| Panel type | VA | VA |
| Response time (GtG) | 4.0 ms | 4.0 ms |
| Response time | 4.0 ms | 4.0 ms |
| Picture-in-Picture (PIP) | no | yes |
| Pixel size | 0.01 in | 0.01 in |
| Viewing angle (horizontal) | 178.0 ° | 178.0 ° |
| Viewing angle (vertical) | 178.0 ° | 178.0 ° |
| Acer Predator Z321QU | Samsung C34F791WQU | |
|---|---|---|
| Ascendable and submersible | yes | yes |
| Pivot function | no | no |
| Swivel | yes | no |
| Tiltable | yes | yes |
| Memory card reader | no | no |
| Cable lock slot | no | no |
| Acer Predator Z321QU | Samsung C34F791WQU | |
|---|---|---|
| 3D support (3D-Ready) | no | no |
| Adaptive synchronization | yes | yes |
| HDR | no | no |
| VESA mount | yes | yes |
| Type of VESA mount | 100x100mm |
|
| Sync technology | Nvidia G-sync | AMD Freesync |
| Acer Predator Z321QU | Samsung C34F791WQU | |
|---|---|---|
| EnergyStar | yes | yes |
| Acer Predator Z321QU | Samsung C34F791WQU | |
|---|---|---|
| Energy efficiency class | B | C |
| Operational power consumption | < 50 | 55 - 73 |
| Power consumption (standby) | 0.5 W | 0.3 W |
| Power consumption (typical) | 50.0 W | 70.0 W |
| Pros | ||
|---|---|---|
| Cons |
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