Intel Core Ultra 5 245KF 14-core LGA1851
The Arrow Lake architecture on 3nm delivers strong single-core speeds up to 5.2GHz and a 43,112 PassMark score, making it a capable performer for demanding desktop tasks. Its unlocked multiplier and 125W base power provide headroom for overclocking, while the lack of integrated graphics keeps the platform cost focused purely on CPU performance. This processor is best for budget-conscious productivity builders who pair it with a discrete GPU for rendering, code compilation, or heavy multitasking.
暂无零售商最新价格
概览
The 30-Second Version
The 245KF is the budget CPU Intel needed to release. Catch it on sale and you've got near-flagship single-thread performance for less than a mid-range GPU.
Pros & Cons
优点
- Best-in-class single-thread performance 98th
- Excellent efficiency on 3nm node 97th
- 14 cores for under $200 on sale 92nd
- Unlocked for overclocking 91st
- Strong memory overclocking headroom
缺点
- No integrated graphics, you need a GPU
- Cooler not included in the box
- AM5 offers better value at full price
- Social proof is thin, few reviews out there
用户评价
The Word on the Street
用户口碑如何随时间变化
独家依据客户实际撰写评价的时间--让你看到最初的好评是否持续。
基于 2 条带日期的客户评价，按日历季度分组。分期分析为英文。
实测数据
Performance
Single-thread performance is where this thing really shines. It lands in the 98th percentile, which means it's basically top of the charts for gaming and everyday snappiness. Multi-thread is no slouch either, sitting in the 91st percentile. The 6P+8E core layout handles background tasks without breaking a sweat. What surprised us most is the efficiency. 125W TDP with a 159W turbo ceiling on a 3nm node means you're getting serious performance without needing a nuclear reactor to cool it. Memory overclocking is also a pleasant surprise, owners report DDR5 headroom that's better than expected for a budget chip.
Specifications
Full Specifications
Processor
| Brand | Intel |
| Series | Core Ultra 5 |
| Model | 245KF |
| Codename | Arrow Lake |
| Class | desktop |
| Process | 3 |
Cores & Clocks
| Cores | 14 |
| P-cores | 6 |
| E-cores | 8 |
| Threads | 14 |
| Base Clock | 4200 |
| Boost Clock | 5200 |
Cache
| L2 Cache | 26 |
| L3 Cache | 24 MB |
Performance
| PassMark Multi | 43043 |
| PassMark Single | 4717 |
Memory
| Memory Type | DDR5 |
| Max Speed | 6400 |
| Channels | 2 |
| Max Memory | 192 |
| ECC | No |
Platform & Power
| Socket | LGA1851 |
| PCIe | 5 |
| PCIe Lanes | 24 |
| TDP | 125 |
| Max Turbo Power | 159 |
| Unlocked | Yes |
Graphics & AI
| Integrated Graphics | None |
| NPU TOPS | 13 |
vs Competition
The elephant in the room is the AMD Ryzen 7 9800X3D. It's faster in gaming, no question, but it also costs significantly more. If you're building a pure gaming rig with a big budget, go AMD. But if you're doing mixed productivity and gaming on a tighter budget, the 245KF holds its own. The MSI MAG X870E Tomahawk WiFi is a motherboard, not a CPU, so that's not really a fair fight. The real competitor is AMD's AM5 platform as a whole. Better upgrade path, better efficiency at the high end, but you pay for it upfront. Intel's LGA1851 platform is newer and less proven, but the 245KF makes a compelling case for jumping in early.
| Spec | Intel Core Ultra 5 245KF | AMD Ryzen 7 9800X3D | G.Skill Trident Z Neo | MICRO CENTER 225FB860MEAGLEPL | Dell Xeon E5-2637 V2 | PC Server and Parts E5-2697 v2-cr |
|---|---|---|---|---|---|---|
| Cores | 14 | 8 | 6 | - | 32 | - |
| Threads | 14 | 16 | 12 | - | 64 | - |
| Boost Clock Mhz | 5200 | 5200 | 4200 | - | 3500 | - |
| L3 Cache Mb | 24 | 96 | 32 | - | 256 | - |
| Tdp W | 125 | 120 | 65 | - | 200 | - |
| Socket | LGA1851 | AM5 | AMD Socket AM4 | - | Socket A/Socket 462 (PGA 462) | - |
| Integrated Graphics | None | AMD Radeon Graphics | - | - | No | - |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | AI | Feature | Platform | User Sentiment | Efficiency | Multi Thread | 用户口碑 | Affordability | Single Thread |
|---|---|---|---|---|---|---|---|---|---|
| Intel Core Ultra 5 245KF | 91.5 | 97.1 | 90.8 | 20.8 | 90 | 90.5 | 25.8 | 61.8 | 98.1 |
| AMD Ryzen 7 9800X3D Compare | 91.6 | 98.6 | 95.2 | 92.6 | 88.7 | 89.1 | 96.4 | 23.4 | 95 |
| G.Skill Trident Z Neo Compare | 72.3 | 87.5 | 78.9 | 0 | 84.2 | 72.1 | 0 | 20.5 | 72.5 |
| MICRO CENTER 225FB860MEAGLEPL Compare | 67.9 | 20.7 | 17.4 | 0 | 42.8 | 85.8 | 0 | 27.5 | 94.7 |
| Dell Xeon E5-2637 V2 Compare | 97.8 | 91 | 76.9 | 0 | 31.5 | 47.5 | 0 | 88.1 | 51.5 |
| PC Server and Parts E5-2697 v2-cr Compare | 49.9 | 20.7 | 17.4 | 0 | 29.3 | 67.8 | 0 | 87.2 | 44.7 |
价格
Value & Pricing
At full price, this chip is a tough sell against AMD's AM5 lineup. But on sale? Different story entirely. US prices swing from $175 to $214 depending on the vendor, and that $39 spread matters. Newegg has the best deal right now at the low end. If you're paying more than $190, you're overpaying. At $175, this is one of the best budget CPUs on the market. Period.
我们自 2026年6月14日 起追踪该产品的价格。数据增多后将显示图表。
了解更多
Overview
The Intel Core Ultra 5 245KF is the budget chip that punches way above its weight class. 14 cores, 3nm architecture, and a 5.2GHz boost for under $200 when you catch a sale. That's the headline. It's not the flashiest CPU on the block, but it's quietly one of the smartest buys for a mid-range Intel build right now. The catch? No integrated graphics and no cooler in the box. Plan your build accordingly.
Common Questions
Q: Does the 245KF come with a cooler?
No, Intel doesn't include a cooler with the KF series. You'll need to budget for a decent aftermarket cooler. A good air cooler in the $40-60 range will handle the 125W TDP fine.
Q: Can I use this CPU without a graphics card?
Nope. The 'F' in 245KF means no integrated graphics. You absolutely need a discrete GPU. If you want integrated graphics, look at the non-F 245K variant instead.
Q: Is this better than the Ryzen 5 7600X?
For pure gaming, the 7600X is competitive and often cheaper on the AM5 platform. But for mixed workloads, the 245KF's 14 cores give it an edge in multi-threaded tasks. If you're already on Intel or need the extra cores, the 245KF makes sense. If you're starting fresh, AM5's upgrade path is hard to ignore.
Who Should Skip This
If you're building a system without a discrete GPU, this isn't your chip. Go grab a Ryzen 5 8600G or Intel's non-F 245K instead. And if you're paying full retail price, skip it entirely. The AM5 platform offers better value at MSRP. This chip only makes sense when it's on sale.
Verdict
The Intel Core Ultra 5 245KF is a genuinely great budget CPU that gets overshadowed by AMD's marketing machine. If you catch it on sale for under $190, buy it without hesitation. It's fast, efficient, and handles everything from gaming to productivity with ease. Just remember you need a discrete GPU and a cooler. For an Intel build on a budget, this is the chip to beat.
