# item.guide
Side-by-Side Comparison Display Cables

DisplayPort 1.0 vs. DisplayPort 2.1

Comparing 2 standards across 10 specifications. 10 key differences identified.

Comparing:
DisplayPort 1.0
DisplayPort 2.1
DisplayPort 1.0 →

DisplayPort 1.0, approved by VESA on May 3, 2006, was the original version of the royalty-free digital display standard. Its High Bit Rate (HBR) mode delivered 10.8 Gbps raw bandwidth across 4 lanes, with hot-plug detection and embedded digital audio built in from the start.

View full DisplayPort 1.0 spec sheet →
DisplayPort 2.1 →

DisplayPort 2.1, announced October 2022, is a certification-level refinement of the DisplayPort 2.0 specification VESA released back in June 2019. Its fastest UHBR20 mode delivers 80 Gbps raw bandwidth -- enough for a single 10K display at 60Hz uncompressed, or multiple high-refresh 4K/8K displays daisy-chained with compression.

View full DisplayPort 2.1 spec sheet →

Specification Comparison Table

10 Parameters
Parameter / Spec
DisplayPort 1.0
DisplayPort 2.1
Approved
May 3, 2006 (VESA) —
Max Bandwidth, HBR 4 lanes (raw / effective)
10.8 / 8.64 Gbps —
Link Rates
RBR: 1.62 Gbps/lane | HBR: 2.70 Gbps/lane —
Max Resolution @ Refresh Rate
— 16K @ 60Hz (DSC) / 8K @ 120Hz / 4K @ 240Hz
Max Bandwidth / Data Rate
— 80.0 Gbps (UHBR20, 77.37 Gbps payload)
Pin Count
— 20 Pins (DP) / USB-C (DP40 / DP80 certified)
Display Stream Compression (DSC)
— DSC 1.2a Mandatory Support
Variable Refresh Rate (VRR)
— VESA Adaptive-Sync & Panel Replay
Max Audio Channels
— 32 Channels
Max Recommended Cable Length
— 1–2 Meters (Passive DP80) / 3m (DP40)

Other Alternatives to Compare

Compare DisplayPort 1.0 vs. DisplayPort 1.2 → Compare DisplayPort 1.0 vs. DisplayPort 1.4 → Compare DisplayPort 1.0 vs. DVI → Compare DisplayPort 1.0 vs. HDMI 1.0 → Compare DisplayPort 1.0 vs. HDMI 1.3 → Compare DisplayPort 1.0 vs. HDMI 1.4 → Compare DisplayPort 1.0 vs. HDMI 2.0 → Compare DisplayPort 1.0 vs. HDMI 2.1 → Compare DisplayPort 1.0 vs. VGA →