Spend a little more on DisplayPort 1.4 carries 1440p 165Hz HDR where HDMI 2.0 caps near 1440p 144Hz. For SA buyers, stay focused on Evetech ZAR pricing and warranty turnaround. Inside: port walkthrough, PD limits, and SA desk wiring.
Choose HDMI 2.0 if your monitor is a 4K 60Hz panel for general office or media use and both devices have HDMI 2.0 ports. Choose DisplayPort 1.4 if your monitor is a high-refresh-rate 1440p or 4K panel (above 60Hz), or if you want to daisy-chain a second monitor. For South African buyers, HDMI 2.0 is the safer plug-and-play choice; DisplayPort 1.4 is the better technical choice for gaming and multi-monitor setups.
HDMI 2.0 provides 18Gbps of usable bandwidth. This covers 4K at 60Hz with HDR10, 1440p at 144Hz, and 1080p at 240Hz cleanly. It does not support 4K at 120Hz without display stream compression (HDSC), and it does not support daisy-chaining. DisplayPort 1.4 provides 32.4Gbps, enabling 4K at 120Hz natively, 4K at 144Hz using DSC, 1440p at 165Hz, and multi-stream transport (MST) for daisy-chaining two monitors from a single cable. If you own or plan to buy a 165Hz QHD monitor (common in the R4,500 to R7,000 range in South Africa), using HDMI caps you at 144Hz while DisplayPort 1.4 runs the full 165Hz.
Virtually every monitor sold in South Africa includes both HDMI and DisplayPort inputs on the same panel. The decision is therefore about which cable to use from your graphics card or docking station output, not which monitor to buy. For RTX 4070 and RX 7800 XT discrete GPUs, DisplayPort 1.4 output from the GPU is the natural choice for gaming monitors since it supports the full refresh rate. For integrated graphics on ultrabooks (Intel Iris Xe, Intel Arc), both HDMI 2.0 and DisplayPort 1.4 are supported over the laptop's USB-C/Thunderbolt port, and DisplayPort is preferred for anything above 60Hz. For South African students connecting to a secondary monitor for study, HDMI 2.0 at 1080p 60Hz from the laptop's HDMI port is completely sufficient.
HDMI cables are not all equal. An older HDMI 1.4 cable physically plugs into an HDMI 2.0 port but limits bandwidth to HDMI 1.4 spec (10.2Gbps), capping the output at 4K 30Hz. This is a common source of unexplained 4K 30Hz output complaints. Replace the cable with a certified HDMI 2.0 High Speed cable (18Gbps rated) to resolve it. DisplayPort cables are less prone to this issue since DP 1.4 cables are backwards-compatible without bandwidth degradation in most cases, though cheap unbranded DP cables occasionally fail at 144Hz or higher due to poor signal integrity. For South African consumers, branded HDMI and DisplayPort cables from Evetech are rated to spec and tested for compatibility.
If your monitor reports "No Signal" or drops to a lower resolution when you switch to a higher refresh rate, try swapping the cable before adjusting settings. A cable not rated for the bandwidth required by your chosen resolution and refresh rate combination is often the cause, not the monitor or GPU. Cable swaps cost less than a wasted service trip.
Yes. HDMI 2.0 supports AMD FreeSync and a limited version of HDMI Forum VRR on compatible TVs and monitors.
Yes, HDMI 2.0 has sufficient bandwidth for 1440p at 144Hz (approximately 12Gbps required vs 18Gbps available). However, the dock's internal controller must actually support 144Hz output; some budget docks cap display output at 60Hz regardless of monitor capability.
Almost every monitor sold locally includes both. Entry-level monitors at R1,800 to R3,000 may include only HDMI.
Shopping for a new monitor or a dock to connect one? Evetech stocks monitors with HDMI 2.0 and DisplayPort 1.4 inputs alongside compatible docking stations and cables. Browse the full range at Evetech for your next display upgrade.
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