Intel Core Ultra 5 Desktop Processor 245K
Arrow Lake unlocked CPU: 14 cores (6P+8E), 14 threads. Max 5.2 GHz. 24MB L3. Supports PCIe 5.0, DDR5-6400 (CUDIMM). NPU included. 125W base. No cooler.
Affiliate links help keep our reviews independent at no extra cost to you.
Our Take on Intel Core Ultra 5 Desktop Processor 245K
The Intel Core Ultra 5 Desktop Processor 245K stands out as one of the top performers in the processors category for 2026. Positioned in the mid-range segment, it strikes a balance between performance and affordability. Its standout strength is its significantly improved power efficiency (performance-per-watt) vs. 14th Gen.
Market positioning: The Intel Core Ultra 5 Desktop Processor 245K targets the mainstream processors market with a focus on practical value. This provides the features most users actually need at a price point that makes sense for everyday buyers.
Real-world use: Powers your system for years to come, whether you're building a workstation, gaming rig, or home PC. The 4.6/5 rating reflects genuine user feedback from real-world usage.
Competitive edge: Raw performance, efficiency, and platform features make this a compelling choice for new builds. That said, potential buyers should consider that gaming performance often flat or slightly lower than 14600K/Ryzen 9000. Additionally, removal of Hyper-Threading reduces multi-core potential in some apps.
Best For
Everyday users who want a reliable processor with good features without breaking the bank.
Consider Alternatives If
Gaming performance often flat or slightly lower than 14600K/Ryzen 9000, or if removal of Hyper-Threading reduces multi-core potential in some apps.
Who Should Buy Intel Core Ultra 5 Desktop Processor 245K?
Not every product is right for every buyer. Here's how the Intel Core Ultra 5 Desktop Processor 245K matches different user profiles:
Quality Seekers
ConsiderSolid 4.6/5 rating, but consider premium options if you want the absolute best.
Budget Shoppers
ConsiderMid-range pricing offers more features, but cheaper options exist if cost is your priority.
Power Users
Look elsewhereConsider higher-tier options for intensive professional or enthusiast workloads.
First-Time Buyers
Great fitAccessible pricing and straightforward features make this a great starting point.
Key specifications
Arrow Lake-S (Core Ultra Series 2)
LGA1851
14 Cores (6 Performance + 8 Efficient) / 14 Threads
P-core: 4.2–5.2 GHz / E-core: 3.6–4.6 GHz
24 MB Intel® Smart Cache (L3) + 26 MB L2 (50 MB Total)
125 W (Processor Base Power)
159 W (Maximum Turbo Power)
TSMC N3B (Compute Tile) / TSMC N6 (SoC Tile)
DDR5-6400 MT/s (Official); CUDIMM Support; Up to 192 GB
102.4 GB/s (at DDR5-6400)
PCIe 5.0 and 4.0
24 (20 PCIe 5.0 + 4 PCIe 4.0 Direct from CPU)
Intel® Graphics (4 Xe-cores, 1.9 GHz Max Dynamic)
SSE4.2, AVX2, VNNI, Intel 64, VT-x/d; NPU (13 TOPS AI)
No (Heatsink not included)
105°C (221°F) Max Operating Temperature
Requires LGA1851 motherboard (800 Series). No Hyper-Threading. Includes dedicated NPU for AI workloads.
Intel 800 Series (Z890, B860, H810, etc.)
What These Specs Mean For You
Numbers don't tell the whole story. Here's what the Intel Core Ultra 5 Desktop Processor 245K's specifications actually mean in daily use:
Architecture Gen
•Arrow Lake-S (Core Ultra Series 2)Architecture Gen of Arrow Lake-S (Core Ultra Series 2) for this processors.
Socket Platform
•LGA1851Socket Platform of LGA1851 for this processors.
Cores Threads
•14 Cores (6 Performance + 8 Efficient) / 14 ThreadsCores Threads of 14 Cores (6 Performance + 8 Efficient) / 14 Threads for this processors.
Base Boost Clock
•P-core: 4.2–5.2 GHz / E-core: 3.6–4.6 GHzBase Boost Clock of P-core: 4.2–5.2 GHz / E-core: 3.6–4.6 GHz for this processors.
Cache L2 L3
•24 MB Intel® Smart Cache (L3) + 26 MB L2 (50 MB Total)Cache L2 L3 of 24 MB Intel® Smart Cache (L3) + 26 MB L2 (50 MB Total) for this processors.
Pros
- Significantly improved power efficiency (performance-per-watt) vs. 14th Gen
- Modern platform connectivity: Native Thunderbolt 4, WiFi 7, PCIe 5.0 lanes
- Integrated NPU (13 TOPS) accelerates light local AI workloads
- Run cooler than previous i5-K SKUs under load
Cons
- Gaming performance often flat or slightly lower than 14600K/Ryzen 9000
- Removal of Hyper-Threading reduces multi-core potential in some apps
- Requires new LGA1851 socket (incompatible with LGA1700)
Compare with similar options
See how Intel Core Ultra 5 Desktop Processor 245K stacks up against other processors we track.
vs AMD Ryzen 7 7800X3D
Open full comparison →
vs AMD Ryzen 9 7950X3D
Open full comparison →
vs AMD Ryzen 5 7600
Open full comparison →
vs AMD Ryzen 9 9950X
Open full comparison →
vs AMD Ryzen 7 8700G
Open full comparison →
vs AMD Ryzen 5 5600X
Open full comparison →
More in Processors
The Bottom Line: Intel Core Ultra 5 Desktop Processor 245K
The Intel Core Ultra 5 Desktop Processor 245K earns our strong recommendation for 2026. Key strengths include its significantly improved power efficiency (performance-per-watt) vs. 14th Gen and modern platform connectivity: Native Thunderbolt 4, Wi-Fi 7, PCIe 5.0 lanes. It offers a balanced package that handles everyday tasks effectively.
Final verdict: With a 4.6/5 rating, the Intel Core Ultra 5 Desktop Processor 245K is an excellent pick. If it fits your budget and needs, it's hard to go wrong.
Frequently Asked Questions
+ Is the Intel Core Ultra 5 Desktop Processor 245K worth buying in 2026?
Yes, the Intel Core Ultra 5 Desktop Processor 245K is worth it if you prioritize significantly improved power efficiency (performance-per-watt) vs. 14th gen. With a 4.6/5 rating, it stands out in the processors category. However, consider that gaming performance often flat or slightly lower than 14600k/ryzen 9000. Check our detailed verdict above.
+ What are the main specs of Intel Core Ultra 5 Desktop Processor 245K?
Key specifications include: Architecture Gen: Arrow Lake-S (Core Ultra Series 2), Socket Platform: LGA1851, Cores Threads: 14 Cores (6 Performance + 8 Efficient) / 14 Threads, Base Boost Clock: P-core: 4.2–5.2 GHz / E-core: 3.6–4.6 GHz. See the full specifications table above for complete technical details.
+ Where is the best place to buy Intel Core Ultra 5 Desktop Processor 245K?
For US buyers, Amazon offers the best combination of competitive pricing, fast Prime shipping, easy returns, and reliable warranty support. Use our affiliate links above to check current prices and availability.
+ What are the pros and cons of Intel Core Ultra 5 Desktop Processor 245K?
Pros: Significantly improved power efficiency (performance-per-watt) vs. 14th Gen; Modern platform connectivity: Native Thunderbolt 4, WiFi 7, PCIe 5.0 lanes; Integrated NPU (13 TOPS) accelerates light local AI workloads. Cons: Gaming performance often flat or slightly lower than 14600K/Ryzen 9000; Removal of Hyper-Threading reduces multi-core potential in some apps. See our detailed breakdown above for the complete analysis.
+ How does Intel Core Ultra 5 Desktop Processor 245K compare to alternatives?
We have 28+ detailed comparisons with similar processors. Popular matchups include AMD Ryzen 7 7800X3D and AMD Ryzen 9 7950X3D. Check the comparison section above.
+ Are PageBen reviews independent and unbiased?
Yes. PageBen is an independent review site. While we use affiliate links for monetization, our recommendations are research-driven and based on objective specifications, user feedback, and real-world performance. We are not sponsored by manufacturers.
💡 You may also like
View all →These are popular picks in Processors
ℹ️ Affiliate notice: This site includes Amazon affiliate links. If you buy through them, we may earn a commission at no extra cost to you. Thanks for supporting independent reviews.