Intel Core Ultra 265K 20-core LGA1851
The 20-core Arrow Lake architecture on a 3nm process delivers a 58,722 PassMark multi-core score, making it a strong productivity engine with a 125W base TDP. Its unlocked multiplier on the new LGA1851 socket offers overclocking flexibility, while the integrated Arc Xe-LPG graphics provide capable display output without a discrete GPU. This processor is best for workstation users running heavily threaded applications like code compilation or AI inference who don't prioritize gaming performance.
Geen actuele winkelprijs
Overzicht
The 30-Second Version
Intel finally got the memo. The 265K is a 20-core efficiency monster with the best single-thread score we've ever recorded, and it's under $400.
Pros & Cons
Pluspunten
- Single-thread performance is literally the best we've seen 99th
- 20 cores on a 3nm process means excellent efficiency 96th
- DDR5 support up to 192GB with ECC is a workstation flex 96th
- Unlocked multiplier for easy overclocking 95th
Minpunten
- Social proof is weak, only 4 reviews so far
- 250W turbo power draw needs serious cooling
- Server performance is the weakest area at 72.2
- New socket means new motherboard required
De feiten
Performance
The single-thread numbers genuinely surprised us. 4928 in PassMark puts this at the 100th percentile, best-in-class, no caveats. Multi-thread is right up there too at 58619, landing in the top 5% of everything we've tested. The 8P+12E layout with 24MB of L2 and 30MB of L3 means it chews through productivity workloads without breaking a sweat. The 125W TDP is reasonable, though that 250W turbo ceiling means you'll want decent cooling if you plan to push it.
Specifications
Full Specifications
Processor
| Brand | Intel |
| Series | Core Ultra 7 |
| Model | 265K |
| Codename | Arrow Lake |
| Class | desktop |
| Process | 3 |
Cores & Clocks
| Cores | 20 |
| P-cores | 8 |
| E-cores | 12 |
| Threads | 20 |
| Base Clock | 3900 |
| Boost Clock | 5500 |
Cache
| L2 Cache | 24 |
| L3 Cache | 30 MB |
Performance
| PassMark Multi | 58572 |
| PassMark Single | 4929 |
Memory
| Memory Type | DDR5 |
| Max Speed | 6400 |
| Channels | 2 |
| Max Memory | 256 |
| ECC | Yes |
Platform & Power
| Socket | LGA1851 |
| PCIe | 5 |
| PCIe Lanes | 20 |
| TDP | 125 |
| Max Turbo Power | 250 |
| Unlocked | Yes |
Graphics & AI
| Integrated Graphics | Arc Xe-LPG Graphics 64EU |
vs Competition
The obvious rival is the Ryzen 7 9800X3D. AMD's chip brings the 3D V-Cache gaming magic, but the 265K counters with better all-around productivity and that chart-topping single-thread score. The Core i9 X-Series options floating around are older architecture at this point, and they can't touch the efficiency of this 3nm Arrow Lake design. If you're building a mixed-use rig that does real work and plays games, the 265K is the smarter buy. Pure gaming? The 9800X3D still has an edge in cache-sensitive titles.
| Spec | Intel Core Ultra 265K | AMD Ryzen 7 9800X3D | SMC EPYC 9555P | HP Xeon 6526Y | CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor | MICRO CENTER 9950X3DMAGX870ETMKWF |
|---|---|---|---|---|---|---|
| Cores | 20 | 8 | 64 | 16 | 24 | - |
| Threads | 20 | 16 | 128 | 32 | 48 | - |
| Boost Clock Mhz | 5500 | 5200 | 4400 | 3900 | 4000 | - |
| L3 Cache Mb | 30 | 96 | 256 | 37 | 128 | - |
| Tdp W | 125 | 120 | 360 | 195 | 200 | - |
| Socket | LGA1851 | AM5 | AMD Socket SP5 | LGA 4677 | AMD Socket SP3 | - |
| Integrated Graphics | Arc Xe-LPG Graphics 64EU | AMD Radeon | - | No | - | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Gebruikersoordeel | Affordability | Single Thread |
|---|---|---|---|---|---|---|---|---|
| Intel Core Ultra 265K | 95.2 | 89.2 | 95.5 | 96.1 | 94.9 | 24.4 | 20.3 | 99.4 |
| AMD Ryzen 7 9800X3D Compare | 91.7 | 98.5 | 95.2 | 88.9 | 89.2 | 99.5 | 23.7 | 95.1 |
| SMC EPYC 9555P Compare | 99.3 | 77.5 | 96.8 | 89.7 | 99.4 | 0 | 0.4 | 85.9 |
| HP Xeon 6526Y Compare | 92.1 | 77.5 | 90.7 | 79.3 | 90 | 0 | 2.7 | 80.6 |
| CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor Compare | 94.8 | 77.5 | 84.4 | 85.2 | 93.9 | 36.3 | 5.3 | 80.5 |
| MICRO CENTER 9950X3DMAGX870ETMKWF Compare | 85.8 | 20.7 | 17.4 | 66.7 | 97.1 | 0 | 6.4 | 98.4 |
Prijs
Value & Pricing
At $389 USD, this is a steal for what you're getting. You're paying mid-range money for top-tier single-thread performance and near-flagship multi-thread. The only real question is whether you need the platform upgrade that comes with it.
Lees meer
Overview
The Core Ultra 7 265K is Intel's most interesting desktop chip in years. 20 cores, 5.5GHz boost, and a 3nm process that finally puts efficiency back on the table. The headline here isn't raw core count, it's that single-thread score sitting at the absolute top of our charts. This thing trades blows with chips that cost way more.
Common Questions
Q: Does this CPU have integrated graphics?
Yes, actually. It's got an Arc Xe-LPG GPU with 64 execution units baked in. Not a gaming powerhouse, but plenty for display output and light tasks. The Q&A saying no graphics card is technically right, there's no dedicated card, but the iGPU is there.
Q: What motherboard do I need for this?
You'll need an LGA1851 socket board. That's the new platform for Arrow Lake, so your old LGA1700 board won't work. Factor that into your upgrade budget.
Q: Is this good for gaming or just productivity?
Both, honestly. The single-thread performance is the best we've tested, which matters a lot for games. The 20 cores handle streaming, rendering, and multitasking without flinching. It's a great all-rounder.
Who Should Skip This
If you're building a dedicated server or need maximum multi-socket reliability, this isn't your chip. The server score of 72.2 tells the story. Look at Xeon or EPYC options instead. And if you're a pure gamer who only cares about frame rates, the Ryzen 7 9800X3D is still the better pick for cache-hungry titles.
Verdict
Buy it. The Core Ultra 7 265K is the best all-around desktop CPU Intel has shipped in a long time. Top-tier single-thread, excellent multi-thread, and a price that doesn't make you wince. Just budget for a new motherboard and a decent cooler.
