5600X Performance Boost Upgrade your system with enhanced speed and efficiency.
5600X Performance Boost Upgrade your system with enhanced speed and efficiency.
Owned this CPU for three years and believed keeping it with PBO enabled was the optimal choice. The low-tier board also made me hesitant, so I upgraded to a B550 Tomahawk, which is popular for overclocking. Here are the outcomes. I use a 280mm AIO with pump and fans set to 50% MAX, which keeps things quiet—important for my gaming setup. If the temperatures feel high for a 280mm AIO, it’s due to this configuration. PBO Stock performance: the chip runs around 4600-4650mhz across all cores, voltage stays near 1.34-1.36V, R23 score reached 11,787, and max temp hit 80°C. Manual Stable OC achieved 4700mhz all cores, voltage at 1.275V, R23 score climbed to 12,067, and max temp dropped to 70°C. Another manual stable OC at 4750mhz all cores, voltage 1.3V, R23 score rose to 12,330, with a peak temp of 72°C. The last 4.8GHz run didn’t justify it based on temps and scores, especially since gains were modest (around 3-5% in R23/TimeSpy) and the temperature increase was noticeable. I’m particularly impressed by the 4.7GHz all-core overclock, which boosted R23/TimeSpy by 10°C and lowered the max temp to 78°C. Personally, I favor the 4.7GHz gains over PBO. Are there any hidden performance benefits to manual overclocking instead of sticking with PBO?
In the old-school OC setup, you push the chip to run nonstop at 24/7. The Cinebench results look solid, but it will accelerate wear and raise daily costs. Consider trying PBO Tuning instead—it can match those speeds and scores while downclocking at idle, saving power and extending the chip’s life. Set PBO to manual mode, experiment with PPT & EDC, use the curve optimiser for per-core settings, apply a negative offset of up to -30, and aim for a boost frequency of 200MHz. You’ll still hit around 4.850GHz. Check it out!
It's the setup I was raised on, honestly. My main worry is temperature, not just the scores. I'd be really satisfied if it matched the same performance as stock PBO. If a 10% drop happens, I haven't really explored tuning PBO that way. Can there be a method to control voltage using it too, so I can maintain the same low temperatures as with manual overrides?
You're going to be surprised, I think. With PBO you can both boost and lower the voltage at the same time. PPT is closely tied to CPU power usage, though it's not precise—TDP is roughly what the system can handle. I’ll share some examples from my 5600x 280mm AIO. At max PPT 110 TDC 90 EDC 124, I achieved a Cinebench score similar to yours. Now I’m running PPT at 75 TDC 90 EDC 100 with a Cinebench score over 10,600. This setup still has room for improvement, but it works fine. Someone here reported a PPT of 135 on their 5600x with a Cinebench score of 12,600—so it really depends on your goals and how much tuning you’re willing to do. Both these PPTs/EDCs can deliver the same clock speeds, but on my machine the CPU temperature never exceeds 60°C. Unless I run benchmarks, it’s hard to say if the differences matter much. In-game FPS are almost identical, but the temps are very good and I don’t feel the need to crank up the fans. So, have fun! Feel free to ask if you need more clarity.
The PPT, TDC, and EDC details can be a bit tangled. The PBO curve optimizer works well, which is what I’ve chosen. Most settings are auto unless I adjust PBO boost to +100mhz and apply a -20 offset. This achieves 4.7-4.75ghz, with voltage ranging from 1.28 to 1.31v—close to my manual tuning. Maximum temperature stays at 74°C, and the score is 12,119, slightly below manual OC but normal for PBO’s behavior. On idle or light load, it drops to 3.4-3.5ghz at 0.9v. Overall, I’m leaning toward this setup and want to explore further stability at even lower voltages.
I adjusted my curve to -30 across all cores, which led to crashes and WHEA errors. Now I'm at -25 on 4 cores and -20 on my top cores (some recommend -10), but it really depends on tuning. Consider boosting to 200MHz. Use Ryzen Master to identify your optimal two cores. Check PPT/EDC values in HWinfo during Cinebench runs—EDC should be higher than PPT. If EDC reaches 100% in a test, increase it by 1 until you hit 99%. This is where your score improvement occurs. I found PPT settings confusing, but this is likely where your best PBO tuning lies. The screenshot is attached (sorry for size). My EDC only reaches 86%, so on the 75PPT setting I’d lower it to around 95% to hit a 99% EDC in HWinfo for better results.
Looks like +100mhz with -20 is the optimal setup. -25 fails immediately at +100mhz. At +125mhz with -20 it stays stable for about 10 minutes of R23, but crashes when using Chrome. During stress tests with +100mhz, -20 and 10 minutes of R23, Prime 95, then desktop mode, it remains stable. If it holds up in all three scenarios, that’s likely the choice I’ll go with. It keeps clocks above the standard 4650mhz even under heat, stays under 1.3v, and reduces stress test temps from 83°C to 75-76°C on the same pump and fan curves. Overall performance is better. If it doesn’t work at +100mhz with -20, I’ll switch to +50mhz or +75mhz at -20 just to match or slightly outperform the stock PBO while cutting temps significantly.
I needed to adjust to +50mhz with a -20 offset. This was the only configuration that consistently passed every stress and regular test. The score of 12042 ranked highest at R23, reaching a peak of 74c. After a 10-minute R23 session, the result fell to 11096 with a peak temperature of 75.4c. Both TimeSpy and FireStrike confirmed success, completing 20 minutes of Prime95 with a full "blend" workload. This was the most intense test, yet at low fan and pump settings it only reached 80.8c after 20 minutes. No crashes occurred. All results improved by 3-5% compared to the standard PBO benchmarks. With these parameters, voltage swings between 1.275 and 1.281v, but the core clocks remained fixed at 4.7ghz—never shifting, even after 10 minutes of R23. At the quiet fan and pump profile, it stayed steady at 4.7ghz. In contrast, the +100mhz and -20mhz settings caused clocks to jump to 4.75ghz, fluctuating widely during stress tests and especially as temperature rose, often dropping below 4.7ghz (around 4.65-4.68). This explains the similar scores and temperatures for +50mhz and +100mhz runs. After the 10-minute R23 test, the +100mhz run hit 11106, just a 0.09% variance from the +50mhz session. The +50mhz setting proved more stable, consistently locking the clock at 4.7ghz. I’ll continue testing daily and for gaming, but right now I’m satisfied. A slight performance boost and a noticeable temperature drop versus stock PBO are exactly what I aimed for.