I just upgraded to a Benq PD2700U and subsequently discovered my PC’s USB-C doesn’t support DisplayPort, so I’ll need help selecting a graphics card. I looked at DXO’s suggested system configuration for PL6 and see the NVIDIA RTX 2060 is an option. The question is which one?
ASUS Dual GeForce RTX 2060 EVO OC Edition
1365 MHz Core - Boostable to 1785 MHz
1920 CUDA Cores
Turing Architecture
6GB of GDDR6 VRAM
14 Gb/s Memory Speed
192-Bit Memory Interface
DisplayPort 1.4 | HDMI 2.0b | DVI
7680 x 4320 Max Digital Resolution
Dual Axial-Tech Fans
ASUS Dual GeForce RTX 2060 EVO OC Edition
Boostable to 1710 MHz
1920 CUDA Cores
Turing Architecture
12GB of GDDR6 VRAM
14 Gb/s Memory Speed
192-Bit Memory Interface
DisplayPort 1.4 | HDMI 2.0b | DVI
7680 x 4320 Max Digital Resolution
Dual Axial-Tech Fans
This will be my first GPU purchase and don’t understand the significance of all the specs. I don’t do any gaming and very little video editing. I just want to have 10 bit 4K capability.
Connectors: 1 x DisplayPort 20 pin female > 1 x USB Type-C male
Chipset: Cypress
DisplayPort 1.2 specification
**Signal direction: DisplayPort input > USB Type-C output**
Resolution up to 3840 x 2160 @ 60 Hz (depending on the system and the connected hardware)
Looks like the signal direction is opposite of what I need.
I tried a USB-C to DisplayPort cable which didn’t work at all. Monitor showed “no signal” and PC couldn’t detect the monitor.
I stumbled upon a video from Benq that explained the inability of HDMI connection to provide true 10 bit support. I don’t know if an adapter supplied with a signal from a non DisplayPort source would provide full 10 bit 4K quality, but it seems like a true DisplayPort output from a GPU would.
It looks like the question to be answered is do I need 12GB of VRAM or is 6GB enough?
I’ll be using PL, Nik, FilmPack, and Helicon stacking software.
I can’t be sure that 6 GB VRAM will always be enough for you. Maybe it is. But it might help to know that HDMI is more capable than some older information indicates. See here:
That said, I’ve had problems getting 10-bit or 12-bit RGB rendered correctly on my HDR10 projector over HDMI 2.0/2.1. I think it’s a Windows problem, since my Roku and 4K HDR disc player seem to display to the projector just fine over the same media. Not sure what’s going wrong. The HDMI bandwidth doesn’t appear to be a factor.
OK, 12GB it is.
Here’s the video, it seems as if the problem with HDMI is color depth, not resolution. My impression is HDMI will give you 4K, but fine color gradients are missing.
Well, it seems very few applications, including Windows itself, can display 10-bit color. I might have to spend good money to get one. Video is the way to test for free, and even that seems to be a challenge for me. But I’m pretty sure HDMI 2+ is fine for color depth, as long as you set your refresh rate properly.
UPDATE: I’ve confirmed all that and seem to have successfully tested my projector with the 10-bit video grayscale ramps here (using VLC Media Player): HDR10 test patterns set | AVS Forum
Also with nVidia’s HDR SDK software and guidelines as described here:
A word of caution about gradients or ramps: dithering on 8-bit and 6-bit displays can give the impression that the display supports a high color bit depth due to a lack of posterization/banding. My understanding is that a good test will not dither, but rather will show clear steps along the ramp that are finer at the higher bit depths that are supported.
A friend in his new computer tried a RTX 2070 with 8 GB (very good) and after that a RTX 3090 with 24 GB (better). Now he is happy and never wants another.
The GPU driver installation went as expected, but when I attempted to install Benq’s monitor driver Windows said I already have the best driver installed which is “Generic PnP Monitor”. I sent an inquiry to Benq for clarification.
The monitor has several Picture Modes:
Rec.709
HDR
sRGB
CAD/CAM
Animation
Low Blue Light
Darkroom
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