DisplayPort 1.4 is the most common display interface found on monitors sold in Singapore today, from budget office panels to high-refresh-rate gaming screens. Introduced by VESA in March 2016, it supports resolutions up to 8K at 60 Hz and 4K at 120 Hz with full 10-bit colour depth. Despite the arrival of DisplayPort 2.0 and 2.1, DP 1.4 remains the practical standard for most users because it is widely supported, affordable, and more than capable for 4K gaming and professional colour work. This article explains what DP 1.4 offers, how it differs from alternatives, and what you need to know when buying cables and monitors in Singapore.

What DisplayPort 1.4 Brings to Your Setup

DisplayPort 1.4 delivers a maximum data rate of 32.4 Gbps over four lanes, using the same physical connector as earlier versions. This bandwidth is enough to drive a single 8K (7680×4320) display at 60 Hz with 10-bit colour and HDR, or two 4K (3840×2160) monitors at 60 Hz each. For Singapore gamers, the most relevant combination is 4K at 120 Hz or 1440p at 240 Hz, both possible with Display Stream Compression (DSC) enabled.

Key features of DisplayPort 1.4 include:

  • High Bit Rate 3 (HBR3) signalling, 8.1 Gbps per lane, totalling 32.4 Gbps.
  • Display Stream Compression (DSC) 1.2, a visually lossless compression algorithm that allows higher resolutions and refresh rates than the raw bandwidth would otherwise permit.
  • Forward Error Correction (FEC), reduces data errors when using DSC, improving reliability.
  • HDR10 metadata support, enables static HDR metadata transmission for compatible monitors.
  • Multi-Stream Transport (MST), allows daisy-chaining multiple monitors from a single DP output (if both source and display support it).
  • Adaptive-Sync, VESA’s standard for variable refresh rate (VRR) technology, compatible with AMD FreeSync and NVIDIA G-Sync Compatible monitors.

In practice, DP 1.4 can handle 4K at 120 Hz with 8-bit colour without compression, but 4K at 144 Hz or higher requires DSC. For 1440p, 240 Hz is achievable with DSC, and 360 Hz is possible at lower colour depths. This makes DP 1.4 a strong fit for most gaming and productivity monitors sold at retailers like Harvey Norman, Courts Singapore, and Lazada.

DisplayPort 1.4 vs HDMI 2.0 vs HDMI 2.1

Singapore buyers often compare DisplayPort 1.4 with HDMI 2.0 and HDMI 2.1, especially when choosing between a monitor and a TV. Here is a side-by-side breakdown:

Interface Max Bandwidth 4K @ 60 Hz 4K @ 120 Hz 4K @ 144 Hz VRR HDR
DisplayPort 1.4 32.4 Gbps Yes (no DSC) Yes (with DSC) Yes (with DSC) Adaptive-Sync HDR10
HDMI 2.0 18 Gbps Yes No No No (limited) HDR10
HDMI 2.1 48 Gbps Yes Yes (no DSC) Yes (no DSC) HDMI VRR HDR10+ / Dolby Vision

For monitors, DisplayPort 1.4 is generally the better choice for high-refresh-rate gaming because it supports Adaptive-Sync natively and handles 4K at 120 Hz+ with DSC. HDMI 2.1 is more common on TVs and some high-end monitors, but many gaming monitors in the S$400, S$800 range still use DP 1.4 as their primary input. If you are connecting a PC to a TV, HDMI 2.1 is preferable for 4K 120 Hz without compression, but for a dedicated monitor, DP 1.4 remains sufficient.

For a deeper comparison of all three interfaces, see our article HDMI vs DisplayPort vs USB-C: Which Connection to Use.

Cable Requirements for DisplayPort 1.4

Not all DisplayPort cables are the same. To achieve 4K at 120 Hz or 1440p at 240 Hz, you need a cable certified for HBR3 (High Bit Rate 3). VESA introduced a certification programme in 2018 that labels cables as “DisplayPort 1.4 certified” or “HBR3 certified”. A genuine certified cable will have a logo or marking on the packaging indicating compliance.

Uncertified or older “DP 1.2” cables may work at lower resolutions but can cause flickering, black screens, or bandwidth limitations at higher refresh rates. In Singapore, you can buy certified cables from Challenger, Sim Lim Square shops, Lazada, and Shopee. Prices typically range from S$10 to S$30 for a 1.5-metre cable, depending on brand and length. Reputable brands include Club 3D, Accell, Delock, and Startech.

Important cable considerations:

  • Length: For lengths above 3 metres, signal degradation can occur. Consider active cables or fibre-optic DP cables for runs longer than 5 metres.
  • Locking latch: Most DP cables have a latch that prevents accidental disconnection. Ensure your monitor’s port has enough clearance for the latch.
  • USB-C to DP adapters: If your laptop has USB-C with DisplayPort Alt Mode, a passive adapter can carry DP 1.4 signals. However, many adapters are limited to DP 1.2. Check specifications carefully.

For more on cable selection, read Cable Choices for Monitors: What You Need to Know.

DisplayPort 1.4 in Gaming Monitors

Most gaming monitors launched between 2019 and 2024 use DisplayPort 1.4 as their primary input. This includes popular models sold in Singapore such as the Dell S2722DGM (S$449 at Dell Official Store), LG 27GP850-B (S$599 at Lazada), and Samsung Odyssey G7 (S$749 at Courts). These monitors typically offer:

  • 1440p at 165-240 Hz, DP 1.4 can handle 1440p at 240 Hz with 8-bit colour and DSC, or 165 Hz without compression.
  • 4K at 144-160 Hz, Requires DSC, but visual quality loss is negligible for gaming.
  • Adaptive-Sync, Compatible with both FreeSync and G-Sync Compatible, reducing screen tearing without added latency.
  • HDR, Although HDR performance depends on the panel’s brightness and local dimming, DP 1.4 transmits HDR10 metadata correctly.

If you are building a gaming PC in Singapore, pairing a RTX 4060 or RX 7600 with a DP 1.4 monitor is a cost-effective way to enjoy high-refresh-rate gaming. For competitive esports, 1080p at 360 Hz is also possible with DP 1.4 and DSC, though most 360 Hz monitors like the ASUS ROG Swift PG259QN (S$999 at Sim Lim) use DP 1.4 with DSC.

For a full overview of gaming monitor features, refer to our Gaming Monitor Buying Guide.

DisplayPort 1.4 for Professional and Office Use

Beyond gaming, DP 1.4 is valuable for design, video editing, and office productivity. Many professional monitors, such as the Dell UltraSharp U2723QE (S$749 at Dell) and BenQ PD2725U (S$899 at BenQ Official Store), use DP 1.4 to drive 4K at 60 Hz with 10-bit colour and HDR. This is important for colour-critical work in sRGB, Adobe RGB, and DCI-P3 colour spaces.

Key advantages for professionals:

  • 10-bit colour depth, DP 1.4 supports 10-bit (30-bit) colour at 4K 60 Hz without compression, essential for smooth gradients in photo and video editing.
  • Daisy-chaining, With MST, you can connect two 4K monitors in a chain from a single DP 1.4 port, reducing cable clutter. This works well with Dell and LG monitors that support MST.
  • High pixel density, 4K at 27 inches (163 PPI) is ideal for design work, and DP 1.4 ensures full bandwidth for sharp text and accurate colours.

For office users who work with spreadsheets, documents, and web browsing, DP 1.4 is overkill but future-proof. A typical office monitor like the Dell S2722QC (S$379 at Courts) uses DP 1.2, which is sufficient for 4K at 60 Hz. However, if you plan to keep your monitor for 5-7 years, choosing a model with DP 1.4 ensures compatibility with future laptops and graphics cards.

Learn more about choosing a monitor for your workspace in our Office Monitor Buying Guide and Design Monitor Buying Guide.

DisplayPort 1.4 vs DisplayPort 2.0 and 2.1

VESA released DisplayPort 2.0 in June 2019, with a maximum bandwidth of 80 Gbps (using UHBR 20 mode). DisplayPort 2.1, announced in October 2022, is a minor update that aligns with USB4 and improves cable certification. However, adoption has been slow. As of early 2025, very few monitors and graphics cards support DP 2.0 or 2.1. The NVIDIA RTX 40-series and AMD RX 7000-series include DP 2.1 support, but most monitors still rely on DP 1.4.

For the vast majority of users, DP 1.4 is sufficient. DP 2.0/2.1 becomes relevant only for:

  • 8K at 120 Hz without compression (requires UHBR 20).
  • 4K at 240 Hz without DSC.
  • Multi-monitor setups with very high total bandwidth needs.

In Singapore, DP 2.1 monitors are rare and expensive. For example, the Samsung Odyssey Neo G8 (S$1,299 at Courts) supports DP 2.1, but most other 4K 240 Hz monitors still use DP 1.4 with DSC. Unless you need uncompressed 8K or 4K 240 Hz, DP 1.4 is a practical choice that saves money and avoids compatibility issues.

How to Check If Your Monitor Supports DisplayPort 1.4

Before buying a monitor in Singapore, verify the DisplayPort version. Here are reliable ways to check:

  1. Check the manufacturer’s specifications page, Look under “Connectivity” or “Input/Output”. It will list “DisplayPort 1.4” or “DP 1.4”.
  2. Look for HBR3 certification, Some monitors mention “HBR3” in the specs, which indicates DP 1.4 support.
  3. Read the user manual, The manual often states the supported DP version.
  4. Check the OSD menu, On some monitors, you can find the DP version under “Information” or “Display”.
  5. Use a GPU utility, NVIDIA Control Panel or AMD Adrenalin can show the connected display’s link rate. If it shows 32.4 Gbps (or 8.1 Gbps per lane), it is running at DP 1.4 HBR3.

If you are unsure, ask the retailer. Staff at Sim Lim Square, Harvey Norman, and Best Denki can often confirm. Alternatively, check online forums like HardwareZone or Reddit’s r/singapore for user experiences.

Common Questions About DisplayPort 1.4

Can I use a DP 1.2 cable with a DP 1.4 monitor?

Yes, but you will be limited to DP 1.2 bandwidth (21.6 Gbps). This means 4K at 60 Hz is fine, but 4K at 120 Hz or 1440p at 240 Hz will not work. For full performance, use a certified DP 1.4 cable.

Does DisplayPort 1.4 support HDR?

Yes, it supports HDR10 metadata. However, the actual HDR quality depends on the monitor’s panel, brightness, and local dimming. DP 1.4 does not support dynamic metadata like Dolby Vision or HDR10+, which require HDMI 2.1.

Is DisplayPort 1.4 compatible with older graphics cards?

Yes. DP 1.4 is backward compatible with DP 1.2 and 1.1. However, the link speed will drop to the highest common version. For example, a DP 1.4 monitor connected to a GTX 970 (DP 1.2) will run at HBR2 speeds.

Does the length of the cable affect DP 1.4 performance?

Yes. For passive copper cables, lengths above 3 metres may cause signal loss, especially at HBR3 speeds. For longer runs, use an active cable or fibre-optic DP cable. In Singapore, you can find 5-metre active cables from Lindy and Club 3D for around S$40, S$60.

DisplayPort 1.4 and Adaptive-Sync

One of the strongest features of DisplayPort 1.4 is its native support for Adaptive-Sync, which is the VESA standard for variable refresh rate technology. This means that any monitor with DP 1.4 can support AMD FreeSync and NVIDIA G-Sync Compatible modes, provided the monitor manufacturer enables it. In practice, most gaming monitors with DP 1.4 support both FreeSync and G-Sync Compatible, though G-Sync Compatible certification requires NVIDIA testing.

Adaptive-Sync eliminates screen tearing and reduces stuttering when the frame rate fluctuates. For Singapore gamers playing titles like Valorant, Dota 2, or Call of Duty: Warzone, this results in smoother gameplay. The technology works over DP 1.4 at any supported refresh rate, including 144 Hz, 165 Hz, and 240 Hz.

For more on how refresh rate affects your experience, see Refresh Rate Explained.

Choosing a Monitor with DisplayPort 1.4 in Singapore

When shopping for a monitor at retailers like Lazada, Shopee, Harvey Norman, or Courts, look for the following to ensure you get DP 1.4:

  • Resolution and refresh rate combination that requires HBR3 (e.g., 4K 120 Hz+ or 1440p 165 Hz+).
  • Explicit mention of “DisplayPort 1.4” in the specifications.
  • “HBR3 certified” on the cable or monitor box.
  • Adaptive-Sync support (FreeSync or G-Sync Compatible).

Popular DP 1.4 monitors available in Singapore as of early 2025 include:

  • Dell S2722DGM, 27-inch 1440p 165 Hz, S$449
  • LG 27GP850-B, 27-inch 1440p 165 Hz (overclockable to 180 Hz), S$599
  • Samsung Odyssey G7 (32-inch), 32-inch 1440p 240 Hz, S$749
  • ASUS ROG Swift PG279QM, 27-inch 1440p 240 Hz, S$899
  • Dell U2723QE, 27-inch 4K 60 Hz (professional), S$749
  • BenQ PD2725U, 27-inch 4K 60 Hz (design), S$899

For a comprehensive guide to monitor selection, start with our Complete Guide to Choosing a Monitor in Singapore.

Conclusion

DisplayPort 1.4 is a mature, well-supported interface that meets the needs of most Singapore users. Whether you are gaming at 1440p 240 Hz, editing 4K video with 10-bit colour, or setting up a multi-monitor office, DP 1.4 provides sufficient bandwidth and features. While DP 2.0 and 2.1 offer higher speeds, adoption is still limited, and the cost premium is rarely justified. By choosing a certified DP 1.4 cable and a compatible monitor, you can enjoy high-resolution, high-refresh-rate performance without overspending.

Related Articles

  • The Complete Guide to Choosing a Monitor in Singapore
  • HDMI vs DisplayPort vs USB-C: Which Connection to Use
  • Cable Choices for Monitors: What You Need to Know
  • Gaming Monitor Buying Guide
  • Office Monitor Buying Guide
  • Design Monitor Buying Guide