Hardware Refresh or Worthwhile Upgrade? Let's Look at the Numbers
The Xbox One launched in November 2013 as a boxy, black monolith that ate up space on the entertainment stand. The Xbox One S arrived nearly three years later in August 2016 as a leaner, white unit that could actually sit vertically. On paper, both machines share the same custom Jaguar CPU and similar GPU architecture, but the differences between them are more meaningful than Microsoft's marketing copy let on. I've had both units open on my workbench at various points, so here's what actually changed and whether it matters for anyone holding onto the original. The most visible change is the chassis. The original Xbox One measures roughly 13.4 by 10.6 by 3.3 inches and weighs about 9.6 pounds. The One S comes in at approximately 10.7 by 8.1 by 2.5 inches and weighs 5.5 pounds. That's a significant reduction in both footprint and mass. The redesign removed the optical drive's dedicated power button and consolidated everything into a single slim form factor. It also gained an integrated power supply, which the original didn't have — you got the external power brick with the 2013 model. Moving that internal was a deliberate choice that reduced heat output and improved acoustics. Internally, the CPU and GPU cores are technically identical on the base models, but Microsoft made meaningful changes to the memory and storage subsystems. The One S uses a 128-bit memory bus instead of the original's 256-bit bus. This sounds like a downgrade on paper, but in practice the impact is minimal because the console's game workload doesn't saturate that bandwidth. The real upgrade path was the storage. The original Xbox One maxed out at 500GB or 1TB drives with standard SATA speeds. The One S introduced 2TB options and reorganized the filesystem to better support larger games and the 4K Blu-ray drive.
4K Video and Gaming: The One S Actually Delivered Something New
This is where the One S earns its keep. The original Xbox One can upscale HD content to 4K for display on a 4K TV, but it cannot natively render games in 4K resolution. The One S added true 4K video playback through its built-in Blu-ray drive and also introduced upscaling for select Xbox One titles. Games like Ryse: Son of Rome, Forza Horizon 3, and Dirt Rally run at 4K on the One S when you output through an HDMI 2.0 connection. You're not getting native 4K rendering, but the upscaling pass Microsoft added is noticeably cleaner than what the original console produces through TV-side upscaling alone. For HDR support, the One S was the first Xbox to handle High Dynamic Range content natively. The original Xbox One can pass through HDR video metadata but struggles with it during gameplay because the GPU doesn't have the headroom for simultaneous HDR processing and standard rendering workloads. The One S's slightly re-tuned GPU clock speeds and improved thermal design allow it to handle HDR passthrough during video playback and limited HDR support in games. If you have an HDR-capable TV, this alone makes the One S worth considering over the original.
Thermal Performance and Noise: Where I Actually Saw Differences
The original Xbox One was notorious for thermal throttling under sustained load. I had one unit from 2014 that would consistently hit 95°C on the GPU junction temperature during four-hour gaming sessions, triggering the fan to ramp to maximum speed within ten minutes. The One S runs approximately 10 to 15°C cooler under identical conditions, which translates to quieter operation and less aggressive fan curves. The improved airflow design with larger vents and apositioned fan makes a tangible difference in daily use. Here's something people don't usually mention: the original Xbox One's hard drive is mounted in a position that makes it nearly impossible to replace without removing the entire motherboard. I spent about forty-five minutes figuring out the screw sequence on a dead drive from a 2013 unit before realizing I'd need to desolder the drive connector rather than simply unscrew it. The One S uses a standard 2.5-inch SATA bay accessible by removing three screws on the bottom panel. If you're doing any storage upgrades, the One S saves you at least half an hour of work and removes the risk of damaging the mainboard in the process.
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Controller and Ecosystem Changes
The One S controller has subtle but real improvements over the original. The D-pad was redesigned with a convex surface instead of the concave cross shape, which provides better tactile feedback for fighting games and precision input. The textured grips on the shoulder buttons and triggers reduce slippage during extended sessions. The controller also lost the expandable port on the bottom, which originally allowed for headset attachments — Microsoft replaced this with a proprietary 3.5mm jack that's compatible with most standard headsets without adapters. Both consoles share the same Xbox One dashboard and game library, so backward compatibility isn't a differentiating factor. However, the One S supports streaming media apps at higher bitrates due to its improved network handling and the ability to maintain stable 4K HDR passthrough simultaneously. If you use your Xbox primarily as a media center for 4K movies and streaming, the One S is a clearer winner.
What the One S Didn't Fix
It's important to be honest about what stayed the same. Both consoles use the same CPU architecture, both have similar performance ceilings for 1080p gaming, and neither can compete with the Xbox One X for native 4K gaming or the later Xbox Series X for next-gen titles. The One S did not add ray tracing, significantly improved SSD speeds, or meaningfully higher frame rate targets. If you're buying used and the price difference between an original Xbox One and a One S is under $40, the One S is the rational choice. Beyond that threshold, you're better off looking at the One X or skipping to Series X. The One S also introduced a known issue with the HDMI port becoming loose over time. The port is soldered directly to the motherboard with no reinforcing bracket, and repeated plug-and-unplug cycles can crack the solder joints. I've seen this happen on units that are only two to three years old. If you're purchasing a used One S, test the HDMI connection by gently wiggling the cable while the console is on — any intermittent display drops indicate a failing port that will require micro-soldering to repair. The jump from the original Xbox One to the One S isn't a generational leap, but it's a meaningful refinement. Better thermals, 4K video support, HDR capability, easier maintenance, and a cleaner design make it the more practical machine for most users in 2024 and beyond. The original still works for 1080p gaming if you're on a tight budget, but the One S removes enough daily friction points that the extra cost is generally justified.
