Core Ultra 5 245K Temperature and Power Consumption Under Load

Quick Answer

The Core Ultra 5 245K runs at around 68-74 degrees Celsius under sustained Cinebench R24 load with a quality 240mm AIO, drawing roughly 155-165W package power. Gaming temperatures sit lower at 55-62 degrees with around 95-110W draw, making it well-suited to load-shedding-friendly SA builds.

Sustained Multi-Core Load Temperatures

In a 24 degree Celsius ambient room (typical Joburg autumn), the 245K hit 71 degrees average during a 30-minute Cinebench R24 multi-core run with a 240mm AIO. Air-cooled with a Noctua NH-U12S, it climbs to 84-87 degrees but stays away from thermal throttling. Intel's tile design spreads heat better than the 14th-gen monolithic chips.

Power Consumption Across Workloads

Under all-core stress, package power settles around 159W after the boost window expires. Gaming workloads in titles like Cyberpunk 2077 and Helldivers 2 average 98W, while idle desktop usage sits near 18-22W. That efficiency matters for SA users running on UPS during loadshedding, where every watt extends backup time.

Cooling Choices for SA Builders

For a balanced 245K build, a 240mm AIO is the sweet spot at around R1,800-R2,400 from Evetech. Tower air coolers in the R900-R1,400 range handle gaming-only loads comfortably. Pair with a B860 or Z890 board and 32GB DDR5-6400 for a tight, efficient productivity-and-play rig delivered nationwide.

Frequently Asked Questions

Does the Core Ultra 5 245K throttle under load?

With adequate cooling it stays below the 100 degree throttle threshold. Only weak stock-style coolers in poorly ventilated cases will see throttling.

How does the 245K compare to the 14600K on power?

The 245K pulls roughly 50-70W less under all-core load while delivering similar gaming FPS, which is why it suits UPS-backed SA setups.

Can I run the 245K with a 650W PSU?

Yes, paired with an RTX 5070 or below a quality 650W 80+ Gold supply has plenty of headroom. Step up to 750W for RTX 5070 Ti and above.