Real achievable clock rates and overclocking
The clock rates of the achievable boost again rely on different boost steps for clearly defined temperature ranges. Thus, the card stably reached 2775 MHz (blue curve) without further OC, which could also be kept stable in Ultra-HD. With OC and maximum power limit, it is up to 2.9 Ghz on average if you have a good chip. But the resulting 3 to 5% more FPS is unfortunately paid twice at the socket, so it is hardly worth it in normal use.
As expected, the clock rate drops to slightly above 1.8 GHz (alternating blue curve) in the stress test.
Temperatures
Thus, in both gaming modes and in the stress test, we see that the GPU temperature is around 61 to 63 °C at maximum, the hotspot is around 9 to 10 Kelvin higher, which is a very decent value. Despite higher waste heat, the card is cooled almost identically, which also means that the fans simply turn a bit higher. However, this is less annoying because it remains pleasantly quiet.
The stress test then results in 64 to 65 °C and a bit more fan movement.
Fan curve and operating noise (“volume”)
Let’s also take a look at what is automatically generated when the waste heat is removed: various fan noises. With an average fan speed of around 1100 rpm, the card is still quite quiet, although not quite as whisper-quiet as the SUPRIM X with air cooling. However, it is much cheaper and even a bit cooler in the end.
During the stress test, the revs increase to around 1400 rpm, while the temperatures hardly increased. You can certainly live with that.
The measurement and analysis of the frequency spectrum are quite interesting. The almost 35.5 dBA in the closed, well-ventilated case is completely acceptable for gaming and bearable. We can see that the main part is allotted to the somewhat lower frequency components up to approx. 300 Hz, i.e. engine and bearing noises. Slight peaks visible in the higher frequency range stand for the minimal coil noise, but they are well hidden in the rest of the soundstage. If you listen closely, you can hear them out, but otherwise rather not.
Looking at the stress test, it gets considerably noisier, although not really loud. But the roughly 1400 rpm of the fans almost go up to the 38 dB(A) limit.
- 1 - Einführung, technische Daten und Technologie
- 2 - Test System im igor'sLAB MIFCOM-PC
- 3 - Teardown: Platine und Kühler
- 4 - Gaming-Performance
- 5 - Leistungsaufnahme und Lastverteilung
- 6 - Lastspitzen, Kappung und Netzteilempfehlung
- 7 - Temperaturen, Taktraten, Lüfter und Lautstärke
- 8 - Zusammenfassung und Fazit
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