Quick Verdict
A sensible locked Arrow Lake chip that trades peak frequency for a modest 65W power envelope, making it ideal for small form factor builds and users who prioritize efficiency over overclocking headroom.
Overview
Launch
2025
Status
ActiveGeneration
1st Gen Core Ultra (Arrow Lake)
Market
Desktop
The Intel Core Ultra 5 245 is a 14-core mainstream desktop processor featuring the Arrow Lake-S architecture with a locked 65W TDP, designed for users who want modern Arrow Lake efficiency and features without the premium K-series pricing or power draw.
The Core Ultra 5 245 brings Intel's latest Arrow Lake-S architecture to a 65W TDP package with 6 P-Cores and 8 E-Cores. It runs at 3.5 GHz base with a 5.
1 GHz boost, includes 24MB of shared L3 cache, supports DDR5-6400, and features Arc Xe-LPG integrated graphics with 64 Execution Units. Unlike its K-series siblings, the multiplier is locked and PL2 is limited to 121W, making it significantly easier to cool.
Specifications
Performance
Solid multi-threaded performance from 14 cores, though the 65W power limit reduces sustained throughput compared to 125W siblings.
Handles 1080p gaming adequately when paired with a mid-range discrete GPU, but the lower clocks compared to K-series parts limit frame rates in CPU-bound titles.
Excellent performance-per-watt thanks to the TSMC 3nm compute tile and conservative power limits.
- •5.1 GHz boost is lower than the 245KF's 5.2 GHz
- •Pairs well with GPUs up to RTX 4060 class without bottlenecking
- •E-Cores contribute meaningfully in modern game engines
- •iGPU can handle older or less demanding titles at low settings
- •13 TOPS NPU 3 for lightweight AI tasks
- •Combined 29 TOPS with CPU and GPU contributions
- •Suitable for background AI features like noise cancellation and image enhancement
- •Not designed for training or heavy inference workloads
Architecture
3nm (TSMC)
Process Node
Arrow Lake-S
Codename
14C / 14T
Core Config
24 MB
L3 Cache
65 W
TDP
Architecture Overview
Arrow Lake-S marks Intel's return to a disaggregated tile architecture on desktop, separating the compute, graphics, IO, and SOC tiles on a single package. The Core Ultra 5 245 uses the Lion Cove P-Core and Skymont E-Core combination, both manufactured on TSMC's 3nm process node.
CPU Design
6 high-performance Lion Cove P-Cores handle single-threaded and latency-sensitive tasks, while 8 Skymont E-Cores manage background and parallel workloads. Unlike previous generations, Arrow Lake drops Hyper-Threading entirely, relying on the improved Skymont architecture for multi-threaded throughput.
Memory Subsystem
Dual-channel DDR5 with native support for 6400 MT/s, a notable increase from Raptor Lake's 5600 MT/s JEDEC standard. ECC memory is supported on this specific SKU.
PCIe & I/O
20 direct PCIe 5.0 lanes from the CPU for the primary GPU and NVMe storage, plus 4 PCIe 4.0 lanes for secondary devices.
Overclocking
The multiplier is locked on the 245, limiting users to BCLK-based tuning or memory overclocking depending on the motherboard chipset.
- TSMC 3nm process replacing Intel 7
- Lion Cove P-Cores with大幅IPC improvement
- Skymont E-Cores dramatically faster than Gracemont
- NPU integration for AI workloads
- DDR5-6400 native support vs DDR5-4800/DDR4
- Arc Xe-LPG iGPU replacing UHD 730
Key Highlights
- Excellent power efficiency at 65W TDP
- Modern 3nm architecture with strong IPC
- Capable Arc Xe-LPG integrated graphics
- NPU 3 for AI features
- ECC memory support
- Lower cooling requirements than K-series
- Locked multiplier prevents CPU overclocking
- Lower boost clock than 245KF limits peak performance
- 65W power limit reduces sustained multi-thread throughput
- No Hyper-Threading on P-Cores
- LGA 1851 is a new platform with early-adopter costs
History
The Core Ultra 5 245 arrived on January 7, 2025, as part of Intel's second wave of Arrow Lake-S desktop processors. While the initial October 2024 launch focused exclusively on unlocked K and KF SKUs, the 245 represented Intel's push to bring the new architecture to a broader audience with a locked, power-efficient configuration.<br><br>Positioned as the spiritual successor to the Core i5-14400, the 245 had to navigate a tricky market.
Its $270 price point sat between the budget segment and the enthusiast tier, and the simultaneous availability of the 250KF Plus at just $184 complicated its value proposition significantly.<br><br>The decision to include ECC memory support on the 245 was unusual and suggested Intel was targeting small business and entry-level workstation use cases alongside traditional consumer desktops. The A0 stepping indicated first-revision silicon, which is atypical for a non-K SKU that usually launches later with refined steppings.
Improvements over Previous Generation
- TSMC 3nm process replacing Intel 7
- Lion Cove P-Cores with大幅IPC improvement
- Skymont E-Cores dramatically faster than Gracemont
- NPU integration for AI workloads
- DDR5-6400 native support vs DDR5-4800/DDR4
- Arc Xe-LPG iGPU replacing UHD 730
Alternatives & Competitors
Should You Buy It?
Recommended for the right buyer
Building a compact, quiet, power-efficient desktop with modern features like NPU and PCIe 5.0 without paying K-series prices.
Avoid if…
- You want to overclock the CPU
- You need maximum gaming frame rates on a high-end GPU
- You primarily run heavily multi-threaded workloads where the 65W limit hurts sustained performance
Use Cases
Interesting Facts
The Core Ultra 5 245 is one of the few non-K Intel desktop CPUs to support ECC memory, a feature typically reserved for workstation platforms.
Arrow Lake's E-Cores on the 245 (Skymont) are so improved that they outperform Raptor Lake's Raptor Cove P-Cores in some integer workloads.
This chip uses Intel's Foveros packaging technology to connect multiple disaggregated tiles on a single desktop processor package.
At $270 launch price, it undercut the i5-14600K's $319 MSRP while offering a newer architecture.
The 245's A0 stepping makes it the first Arrow Lake-S desktop chip to use the initial revision silicon.
Despite having 14 cores, it only has 14 threads because Arrow Lake entirely removed Hyper-Threading technology.
The NPU 3 tile is manufactured on a different process node than the compute tile, showcasing Intel's advanced packaging capabilities.
Its 121W PL2 is less than half the 253W PL2 of the Core Ultra 9 285K.
The included Arc Xe-LPG 64EU iGPU shares its architecture with the discrete Arc A-series graphics cards.
This processor requires a new LGA 1851 motherboard, meaning no upgrade path from previous LGA 1700 systems.
People Also Ask
Is the Intel Core Ultra 5 245 good for gaming?
It is adequate for 1080p gaming when paired with a mid-range GPU like the RTX 4060. However, its lower 5.1 GHz boost clock means it trails the 245KF and Ryzen 5 9600X in CPU-bound gaming scenarios.
Can you overclock the Core Ultra 5 245?
No, the multiplier is locked. You can only adjust BCLK or tune memory, and even memory overclocking depends on your motherboard chipset.
Does the Core Ultra 5 245 need a dedicated GPU?
No, it includes Arc Xe-LPG 64EU integrated graphics capable of display output, light gaming, and video decoding. However, a discrete GPU is recommended for serious gaming.
What cooler do I need for the Core Ultra 5 245?
Thanks to its 65W TDP and 121W PL2, a modest tower air cooler or even a good low-profile cooler is sufficient. There is no need for a large AIO liquid cooler.
Is the Core Ultra 5 245 better than the i5-14400?
Yes, the 245 offers a newer architecture with better IPC, faster E-Cores, NPU support, DDR5-6400 native speed, and improved integrated graphics. It is a meaningful generational upgrade.
What motherboard does the Core Ultra 5 245 use?
It requires an LGA 1851 motherboard with chipsets such as Z890, B860, H810, Q870, or W880.
Does the Core Ultra 5 245 support ECC memory?
Yes, this specific SKU supports ECC DDR5 memory, which is unusual for a non-workstation Intel desktop processor.
How many PCIe lanes does the Core Ultra 5 245 have?
It provides 20 PCIe 5.0 lanes directly from the CPU (typically 16 for the GPU and 4 for an NVMe SSD) plus 4 PCIe 4.0 lanes for additional devices.
What is the NPU in the Core Ultra 5 245 used for?
The 13 TOPS NPU 3 handles local AI inference tasks such as background noise removal, video background blur, image enhancement, and other Windows Studio Effects without taxing the CPU or GPU.
Is the Core Ultra 5 245 worth it in 2026?
At its $270 price point, it offers good efficiency and modern features but faces stiff competition from the cheaper 250KF Plus ($184) which has more cores and higher clocks, making the 245's value proposition harder to justify unless you specifically need integrated graphics at this tier.
Frequently Asked Questions
What is the TDP of the Core Ultra 5 245?
The base TDP is 65W with a PL2 of 121W.
Does the Core Ultra 5 245 have Hyper-Threading?
No, Arrow Lake removed Hyper-Threading. It has 14 cores and 14 threads.
What integrated graphics does the Core Ultra 5 245 have?
It features Intel Arc Xe-LPG Graphics with 64 Execution Units running at a dynamic frequency of up to 1900 MHz.
What is the maximum memory speed supported?
DDR5-6400 MT/s natively. Higher speeds may be achievable through motherboard overclocking.
Is LGA 1851 compatible with LGA 1700 coolers?
Most LGA 1700 coolers are mechanically compatible with LGA 1851, but you should verify with your specific cooler manufacturer.
What is the total AI TOPS of the Core Ultra 5 245?
Up to 29 TOPS combined: 8 TOPS from the CPU, 8 TOPS from the Xe-LPG GPU, and 13 TOPS from the NPU 3.
Does the Core Ultra 5 245 come with a stock cooler?
Intel does not include a stock cooler with Core Ultra 5 245. You need to purchase a separate cooling solution.
Can I use DDR4 memory with the Core Ultra 5 245?
No, LGA 1851 exclusively supports DDR5 memory. DDR4 is not compatible.
What is the process node of the Core Ultra 5 245?
The compute tile is manufactured on TSMC's 3nm process (N3B), while other tiles use different nodes.
How does the Core Ultra 5 245 compare to the 245KF?
The 245KF has a higher 4.2 GHz base clock, 5.2 GHz boost, 125W TDP with 159W PL2, an unlocked multiplier, and no integrated graphics. The 245 trades peak performance for lower power consumption and includes an iGPU.