AMD's Zen 5 Challenges: Efficiency & Power Deep-Dive, Voltage, & Value | Gamers Nexus

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This deep-dive looks at the AMD Zen 5 CPU efficiency for the Ryzen 7 9700X and Ryzen 5 9600X, introducing gaming efficiency and compression efficiency to our testing suite. The benchmarks find that AMD's Zen 5 is at times extremely efficient, like in some all-core workstation tasks (such as rendering), but can also be remarkably inefficient in some gaming scenarios. Even when FPS-normalized (locked to 60FPS) or power normalized (locked to 50W PPT), the Zen 5 CPUs can prove less efficient than Zen 4 in many scenarios. This also introduces testing of the 7700 non-X and 7600 non-X, as those were lower TDP parts more directly comparable to the 9700X and 9600X for power testing.

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TIMESTAMPS

00:00 - Zen 5 Power Efficiency Research
03:18 - Don't Buy Zen 5
05:51 - Testing Methodology
07:45 - Definitions (Efficiency)
09:39 - Blender Power Efficiency
10:51 - Cyberpunk Phantom Liberty Power Efficiency
12:35 - 10-pt & 30-pt Highs (Cyberpunk)
13:50 - 60FPS Locked Power Comparison
14:21 - Cyberpunk CPU Voltage
15:35 - FFXIV: Dawntrail CPU Efficiency
17:27 - FFXIV: Dawntrail Power vs Time
18:39 - FFXIV Max VID
19:15 - FFXIV VDDCR SVI3
19:50 - FFXIV All-Core Frequency
20:19 - Stellaris Efficiency
21:45 - F1 24 Benchmarks
24:37 - Starfield Efficiency
25:55 - Baldur's Gate 3 CPU Benchmarks
26:47 - Rainbow Six Siege CPU Benchmarks
28:12 - 7-Zip Compression CPU Benchmarks
29:25 - Stellaris Highs
30:14 - FFXIV: Dawntrail Highs
31:03 - Electricity Cost Per Year
32:53 - Conclusion