Quick Answer
For couch co-op at 1440p, the better buy is often a large 1440p monitor or a 1440p-capable display at 32 inches with a 120Hz+ panel and good viewing angles, so two players see the screen clearly from a couch. Budget around R5,000–R9,000 at Evetech. An RTX 4060 Ti handles split-screen 1440p at 60 fps in most co-op titles.
Size and Viewing Angle Matter More Than Speed
Couch co-op means watching from 2–3 metres, often off-axis, so a 31.5-inch IPS or VA panel at 1440p with wide viewing angles beats a small fast screen. 120Hz is plenty — co-op titles rarely need 240Hz — and the larger panel keeps split-screen UI readable from the sofa. Check that off-angle colour does not wash out, which rules out cheaper TN panels.
Connectivity for a Living-Room Setup
You want HDMI 2.1 if you might connect a console or a long run to a TV cabinet, plus enough ports for two controllers' worth of devices. A built-in speaker is handy for casual co-op, though a soundbar sounds far better. Confirm the stand tilts, or plan a VESA wall/arm mount for couch-height viewing.
GPU Pairing for Split-Screen 1440p
Local split-screen renders two views, roughly doubling GPU load, so an RTX 4060 Ti or RX 9060 XT is a sensible floor for 60 fps at 1440p in co-op titles. Lighter co-op games run on an RTX 4060; demanding ones benefit from an RTX 4070. Drop to High settings rather than Ultra to keep split-screen smooth.
FAQ
How big should a couch co-op monitor be?
31.5 inches is the comfortable sweet spot for 2–3 metre viewing and split-screen readability. Bigger than 34 inches at 1440p starts to look soft from up close on a desk but is fine from a couch.
Do I need a high refresh rate for couch co-op?
No — 120Hz is plenty for relaxed co-op, and split-screen rendering caps frame rates anyway. Spend the budget on panel size and viewing angle instead of chasing 240Hz.
Will my GPU handle split-screen at 1440p?
Split-screen roughly doubles the rendering load, so aim for an RTX 4060 Ti or RX 9060 XT for a steady 60 fps. Lowering to High settings keeps both views smooth.
Pro Tip
For couch co-op, pick a 31.5-inch IPS or VA panel with wide viewing angles over a small fast screen — readability from the sofa beats refresh rate for two-player play.