Core Ultra 7 265T vs Core i9-12900K
Core Ultra 7 265T
Core i9-12900K
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core Ultra 7 265T
Performance Per Dollar Core i9-12900K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 7 265T | Core i9-12900K |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($362) | ✅ More affordable ($322) |
| Longevity | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) |
💎 Value Proposition
| Insight | Core Ultra 7 265T | Core i9-12900K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+14%) |
| Upfront Cost | ⚠️ Higher cost ($362) | ✅ More affordable ($322) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Core Ultra 7 265T and Core i9-12900K
Core Ultra 7 265T
The Core Ultra 7 265T is manufactured by Intel. It was released in 7 January 2025 (less than a year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 20 cores and 20 threads. Base frequency is 1.5 GHz, with boost up to 5.3 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 35 Watt. Memory support: DDR5-6400. Passmark benchmark score: 40,681 points. Launch price was $384.
Core i9-12900K
The Core i9-12900K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 16 cores and 24 threads. Base frequency is 3.2 GHz, with boost up to 5.2 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 41,180 points. Launch price was $589.
Processing Power
The Core Ultra 7 265T packs 20 cores / 20 threads, while the Core i9-12900K offers 16 cores / 24 threads — the Core Ultra 7 265T has 4 more cores. Boost clocks reach 5.3 GHz on the Core Ultra 7 265T versus 5.2 GHz on the Core i9-12900K — a 1.9% clock advantage for the Core Ultra 7 265T (base: 1.5 GHz vs 3.2 GHz). The Core Ultra 7 265T uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Core i9-12900K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Core Ultra 7 265T scores 40,681 against the Core i9-12900K's 41,180 — a 1.2% lead for the Core i9-12900K. Both processors carry 30 MB (total) of L3 cache.
| Feature | Core Ultra 7 265T | Core i9-12900K |
|---|---|---|
| Cores / Threads | 20 / 20+25% | 16 / 24 |
| Boost Clock | 5.3 GHz+2% | 5.2 GHz |
| Base Clock | 1.5 GHz | 3.2 GHz+113% |
| L3 Cache | 30 MB (total) | 30 MB (total) |
| L2 Cache | 3 MB (per core)+140% | 1.25 MB (per core) |
| Process | 3 nm-70% | 10 nm |
| Architecture | Arrow Lake-S (2024−2025) | Alder Lake, Golden Cove, Gracemont (2021) |
| PassMark | 40,681 | 41,180+1% |
| Cinebench R23 Multi | 34,000 | — |
| Geekbench 6 Single | 2,954 | — |
| Geekbench 6 Multi | 16,455 | — |
Memory & Platform
The Core Ultra 7 265T uses the LGA1851 socket (PCIe 5.0), while the Core i9-12900K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Core Ultra 7 265T supports up to 192 GB of RAM compared to 128 GB — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Core Ultra 7 265T) vs 20 (Core i9-12900K) — the Core Ultra 7 265T offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z890,H870,B860 (Core Ultra 7 265T) and Intel 600 series,Intel 700 series (Core i9-12900K).
| Feature | Core Ultra 7 265T | Core i9-12900K |
|---|---|---|
| Socket | LGA1851 | LGA1700 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6400 | DDR5-4800 |
| Max RAM Capacity | 192 GB+50% | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24+20% | 20 |
Advanced Features
Virtualization: VT-x, VT-d (Core Ultra 7 265T) / not specified (Core i9-12900K). Both include integrated graphics — Intel Graphics (Xe-LPG 4-core) (Core Ultra 7 265T) and Intel UHD Graphics 770 (Core i9-12900K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core Ultra 7 265T targets High End Desktop.
| Feature | Core Ultra 7 265T | Core i9-12900K |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel Graphics (Xe-LPG 4-core) | Intel UHD Graphics 770 |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | High End Desktop | — |
Value Analysis
The Core Ultra 7 265T launched at $384 MSRP, while the Core i9-12900K debuted at $589. At current prices ($362 vs $322), the Core i9-12900K is $40 cheaper. In terms of value (PassMark points per dollar), the Core Ultra 7 265T delivers 112.4 pts/$ vs 127.9 pts/$ for the Core i9-12900K — making the Core i9-12900K the 12.9% better value option.
| Feature | Core Ultra 7 265T | Core i9-12900K |
|---|---|---|
| MSRP | $384-35% | $589 |
| Avg Price (30d) | $362 | $322-11% |
| Performance per Dollar | 112.4 | 127.9+14% |
| Release Date | 2025 | 2021 |
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