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Xbox Series X Thermals, Power, & Noise Testing: Tear-Down & Cooler Design

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The Xbox Series X thermal testing looks at memory, SOC (CPU / GPU), and VRM temperatures. We’re also benchmarking power and noise levels for the Xbox, including a partial tear-down.
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Watch our Xbox & PlayStation Schlieren photography (airflow imaging) here: https://www.youtube.com/watch?v=8FZ3cQFFZmQ />Watch our PlayStation 5 thermal analysis here: https://www.youtube.com/watch?v=MmggkW6usmQ />Console testing methods piece goes up separately – we decided to add some more detail to it, so it’s referenced in this video as being live, but we’re going to add a bit more and upload tomorrow or next day.

This benchmark of the Xbox Series X includes a partial tear-down to help show the construction of the cooler. We also referenced a clip from TronicsFix (linked below) to talk about the vapor chamber design and how vapor chambers are constructed. The vapor chamber’s pillars are obvious in the tear-down footage, so we show some factory floor footage to show how vapor chambers (like those found in the Xbox Series X) are made. We left our heatsink attached to the PCB, as we didn’t want to disturb the thermal paste; however, since most of what we’re measuring is flip-chip BGA packaging, the silicon is actually closer to the reverse side of the PCB than to the top of the case for MOSFET and memory modules. This is useful and convenient for measuring thermals with minimal disturbance to the cooler assembly. Disassembly is fairly easy and the Xbox mostly resembles a small form factor PC (e.g. mini-ITX / SFF box), except packed into an extremely dense, small assembly of parts. That makes for interesting thermal testing and analysis.

TronicsFix video here: https://www.youtube.com/watch?v=tfJBJTWVY9o />
TIMESTAMPS

00:00 – Xbox Series X Thermal Testing
01:23 – Testing Methodology Recap
02:42 – Not 100% Comparable to PlayStation 5 Thermals
07:04 – Xbox Series X SOC Thermal Benchmarks at Steady State
09:24 – Memory Thermals
10:32 – MOSFET (VRM) Thermals
11:03 – Proving Our Work
11:23 – Power vs. Thermal Measurements
12:50 – Power Saving Recommendations
13:21 – Looking Inside the Chassis (Partial Tear-Down)
19:38 – Xbox Series X Power Consumption Benchmarks
20:45 – Noise Testing of Xbox Series X
22:05 – Conclusion of Xbox Series X Thermals

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Testing, Host, Writing: Steve Burke
Video: Keegan Gallick, Andrew Coleman

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