Around one month before launch isn´t a real "beta" by any means, it´s a near final build. There is still optimisation work to be done of course and I do expect at least a framerate improvements or something closer to 900P. Why? I believe the rumours of MS freeing up the "reserved for Kinect 10%" GPU with the latest patch. This beta could´t use that yet as it launched before the OS update, but the final release will disable Kinect and use everything the slow GPU in the X1 can push. Plus this being X1´s biggest claim to fame in order to catch up with the PS4 I imagine MS are putting their best engineers to help Respawn optimise the engine - this is why I don´t think the 900P target is too far fetched. Just the advertising MS has given the game and the gamepad updates et cetera show how important this game is to them.
It´s a fun game and I´ll buy it on day one, but I have to be honest: technically speaking this game is currently quite embarrassing for a next generation single platform game. Ryse looks so much better than this that it could be on a different console entirely. I blame it on the engine choice and the X1 SDK being in a bad shape, plus the new architecture is exotic and might require more manpower than a small team like Respawn to crack. Just judging by at how this game looks I would expect 1080P with AA at a solid 60 framerate on any next generation console, including the X1. Luckily the gameplay mechanics are fun and well designed (same thing!) plus this time of the year there is a serious draught in new releases. The game is releasing at a perfect time and X1 owners fill flock to it despite it being technically a weak game for a AAA mass hyped release.
Disclaimer: sold my PS4 a while ago, kept the X1 as the games lineup for this year appealed to me more. X1 still has the better controller, OS and hardware quality (PS4 feels like mass produced cheap plastic). I wish MS had taken a different path, the main direction choices with this console were clearly decided by "old white men in suits" who don´t have a clue about gaming ("aggressive BOM margins", "encouraging digital convergence", "dynamic living room media", "cloud connected" and other buzzwords). Seems like the console was designed for 1080P HUDs and 720P graphics with the notion that a artificially sharpening scaler will make it so close the vast majority of gamers won´t notice or care - they were just wrong, core gaming is what drives this industry today and it´s the future too. They probably did a lot of focus tests of their new scaler tech with casual gamers who were just happy enough to hold new controller and participate in the testing in the first place - who knows.
Now MS is aggressively trying to patch things and saving what they can, but imagine how things would have turned out if MS had released at power and price parity with the PS4 with the current superior lineup and Kinect as an optional 150 dollar purchase. The HDMI input doesn´t cost that much, they could have left that in too so that it starts being usable after you buy the Kinect. People would still have bought the add-on for Kinect Sports, TV and other benefits.
At least they would have avoided the negative hype around their console and could then later on have bundled Kinect in when the console BOM drops. They would have started #1 this generation and had everything to win. This console will be a classic case study in 15 years on how to misread a market
I´ll still be keeping mine though, I like many things about it (= games) enough to currently prefer it to the PS4.