Monitor Refresh Rate vs. Connection Type Question


mccmw

mccmw

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Last Fall, I purchased a cheap 100Hz QHD monitor to get me by until I build a new system next year (old 60Hz FHD monitor was failing after 7+ years). I had it connected via HDMI and it ran fine at first at 100Hz...but started randomly going to "sleep" even when Power setting was different. I did a lot of troubleshooting...different cable, reinstalled video card drivers, and even investigated whether an adjacent USB hub might be causing interference. I then tried putting the monitor at 60Hz and it seemed to work. I ended up just buying/trying a DP cable and it has been fine again at 100Hz.

What are the current limits of HDMI (2.0/2.1) for resolution and refresh rate for monitors...not TVs. Admittedly, while I know the HDMI cables I tried were rated for up to 8K, I suspect the port(s) on the monitor may not have been. For the future...is DisplayPort recommended over HDMI for high resolution and refresh rate monitors?
 

My Computers

System One System Two

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
    CPU
    Intel i7-7700K
    Motherboard
    Asus Prime Z-270A
    Memory
    32GB 2666Mhz (Kingston Hyper X Fury)
    Graphics Card(s)
    Asus Nvidia 1050Ti
    Sound Card
    N/A
    Monitor(s) Displays
    Samsung C27F390
    Screen Resolution
    1920 x 1080
    Hard Drives
    1TB Western Digital SN770 (System) and 2TB Western Digital SN770 (Storage)
    Antivirus
    Windows Security
  • Operating System
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Dell/XPS 15 9510
    CPU
    i9-11900H
    Motherboard
    Unknown
    Memory
    32GB
    Graphics card(s)
    Integrated Intel and Nvidia 3050Ti
    Sound Card
    Integrated (Realtek)
    Monitor(s) Displays
    None
    Screen Resolution
    1920 x 1200 (non-Touch)
    Hard Drives
    2TB SK Hynix P41 Platinum
    Antivirus
    Windows Security

My Computer

System One

  • OS
    Home26H2Can
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 5 8600G (07/24)
    Motherboard
    ASROCK B650M-HDV/M.2 (07/24) BIOS 4.21 AGESA ComboAM5 1.3.0.1 (04/26)
    Memory
    2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200 CL36 (07/24)
    Graphics Card(s)
    ASROCK Radeon RX 6600 Challenger D 8G @48FPS (08/24)
    Sound Card
    Creative Sound BlasterX AE-5 Plus (05/24)
    Monitor(s) Displays
    24" Philips 24M1N3200ZS/00 (05/24)
    Screen Resolution
    1920×1080@165Hz via DP1.4
    Hard Drives
    Kingston KC3000 NVMe 2TB (05/24)
    ADATA XPG GAMMIX S11 Pro 512GB (07/19)
    PSU
    Seasonic Core GM 550 Gold (04/24)
    Case
    Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
    Cooling
    Noctua NH-U12S with Noctua NF-P12 (04/24)
    Keyboard
    HP Pavilion Wired Keyboard 300 (07/24) + Rabalux 76017 Parker (01/24)
    Mouse
    Logitech M330 Silent Plus (01/26)
    Internet Speed
    500/100 Mbps via RouterOS (05/21) & TCP Optimizer
    Browser
    Edge, Brave for YouTube, LibreWolf for FB
    Antivirus
    NextDNS blocking 1/3 Traffic
    Other Info
    Phone: Motorola Moto G86 (02/26)
    Backup: Hasleo Backup Suite (PreOS)
    Headphones: Sennheiser RS170 (09/10)
    Chair: Huzaro Force 4.4 Grey Mesh (05/24)
    Notifier: Xiaomi Mi Band 9 Milanese (10/24)
    FlexCore USB-C 3.2 Gen 1 (M) to LAN (F) (08/25)
TairikuOkami said:
View attachment 173030

www.rtings.com

HDMI vs. DisplayPort: Which One Should You Use With Your Monitor?

When comparing HDMI vs. DisplayPort, you'll notice that most multimedia devices only have HDMI ports. Computers and monitors tend to have both ports.
www.rtings.com www.rtings.com
Click to expand...
Thanks...that is what I thought. It should've worked. Maybe because it is a cheap monitor I guess. I assume they are probably HDMI 2.0 ports and 100Hz was "too close" to 119Hz and wasn't achieving full performance. For now, I'll plan to stick to HDMI on my home entertainment devices and DP on my PCs. Granted HDMI 2.2 looks like a significant upgrade.
 

My Computers

System One System Two

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
    CPU
    Intel i7-7700K
    Motherboard
    Asus Prime Z-270A
    Memory
    32GB 2666Mhz (Kingston Hyper X Fury)
    Graphics Card(s)
    Asus Nvidia 1050Ti
    Sound Card
    N/A
    Monitor(s) Displays
    Samsung C27F390
    Screen Resolution
    1920 x 1080
    Hard Drives
    1TB Western Digital SN770 (System) and 2TB Western Digital SN770 (Storage)
    Antivirus
    Windows Security
  • Operating System
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Dell/XPS 15 9510
    CPU
    i9-11900H
    Motherboard
    Unknown
    Memory
    32GB
    Graphics card(s)
    Integrated Intel and Nvidia 3050Ti
    Sound Card
    Integrated (Realtek)
    Monitor(s) Displays
    None
    Screen Resolution
    1920 x 1200 (non-Touch)
    Hard Drives
    2TB SK Hynix P41 Platinum
    Antivirus
    Windows Security
There can be hardware GPU (PCIe) and software limitations: BIOS, chipset and GPU driver version.
Your GPU seems to support HDMI 2.0 only and no more drivers, so a better cable will not help.
www.techpowerup.com

ASUS PHOENIX GTX 1050 Ti Specs

NVIDIA GP107, 1392 MHz, 768 Cores, 48 TMUs, 32 ROPs, 4096 MB GDDR5, 1752 MHz, 128 bit
www.techpowerup.com
 

My Computer

System One

  • OS
    Home26H2Can
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 5 8600G (07/24)
    Motherboard
    ASROCK B650M-HDV/M.2 (07/24) BIOS 4.21 AGESA ComboAM5 1.3.0.1 (04/26)
    Memory
    2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200 CL36 (07/24)
    Graphics Card(s)
    ASROCK Radeon RX 6600 Challenger D 8G @48FPS (08/24)
    Sound Card
    Creative Sound BlasterX AE-5 Plus (05/24)
    Monitor(s) Displays
    24" Philips 24M1N3200ZS/00 (05/24)
    Screen Resolution
    1920×1080@165Hz via DP1.4
    Hard Drives
    Kingston KC3000 NVMe 2TB (05/24)
    ADATA XPG GAMMIX S11 Pro 512GB (07/19)
    PSU
    Seasonic Core GM 550 Gold (04/24)
    Case
    Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
    Cooling
    Noctua NH-U12S with Noctua NF-P12 (04/24)
    Keyboard
    HP Pavilion Wired Keyboard 300 (07/24) + Rabalux 76017 Parker (01/24)
    Mouse
    Logitech M330 Silent Plus (01/26)
    Internet Speed
    500/100 Mbps via RouterOS (05/21) & TCP Optimizer
    Browser
    Edge, Brave for YouTube, LibreWolf for FB
    Antivirus
    NextDNS blocking 1/3 Traffic
    Other Info
    Phone: Motorola Moto G86 (02/26)
    Backup: Hasleo Backup Suite (PreOS)
    Headphones: Sennheiser RS170 (09/10)
    Chair: Huzaro Force 4.4 Grey Mesh (05/24)
    Notifier: Xiaomi Mi Band 9 Milanese (10/24)
    FlexCore USB-C 3.2 Gen 1 (M) to LAN (F) (08/25)
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