Core i9-11900KB vs Core i7-12700K
Core i9-11900KB
Core i7-12700K
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 i9-11900KB
Performance Per Dollar Core i7-12700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-11900KB | Core i7-12700K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($350) | ✅ More affordable ($285) |
| Longevity | ✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin) | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) |
💎 Value Proposition
| Insight | Core i9-11900KB | Core i7-12700K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+86%) |
| Upfront Cost | ⚠️ Higher cost ($350) | ✅ More affordable ($285) |
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 i9-11900KB and Core i7-12700K
Core i9-11900KB
The Core i9-11900KB is manufactured by Intel. It was released in Maio 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.9 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 22,693 points. Launch price was $539.
Core i7-12700K
The Core i7-12700K 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 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 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: 34,347 points. Launch price was $409.
Processing Power
The Core i9-11900KB packs 8 cores / 16 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Core i7-12700K has 4 more cores. Boost clocks reach 4.9 GHz on the Core i9-11900KB versus 5 GHz on the Core i7-12700K — a 2% clock advantage for the Core i7-12700K (base: 3.3 GHz vs 3.6 GHz). The Core i9-11900KB uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Core i7-12700K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Core i9-11900KB scores 22,693 against the Core i7-12700K's 34,347 — a 40.9% lead for the Core i7-12700K. L3 cache: 24 MB (total) on the Core i9-11900KB vs 25 MB (total) on the Core i7-12700K.
| Feature | Core i9-11900KB | Core i7-12700K |
|---|---|---|
| Cores / Threads | 8 / 16 | 12 / 20+50% |
| Boost Clock | 4.9 GHz | 5 GHz+2% |
| Base Clock | 3.3 GHz | 3.6 GHz+9% |
| L3 Cache | 24 MB (total) | 25 MB (total)+4% |
| L2 Cache | 1.25 MB (per core) | 1.25 MB (per core) |
| Process | 10 nm SuperFin | 10 nm |
| Architecture | Tiger Lake-H (2021) | Alder Lake, Golden Cove, Gracemont (2021) |
| PassMark | 22,693 | 34,347+51% |
| Cinebench R23 Multi | 12,264 | — |
| Geekbench 6 Multi | 10,645 | — |
Memory & Platform
The Core i9-11900KB uses the FCBGA1787 socket (PCIe 3.0), while the Core i7-12700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i9-11900KB versus 4800 on the Core i7-12700K — the Core i7-12700K supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: Mobile (Core i9-11900KB) and Z690,B660 (Core i7-12700K).
| Feature | Core i9-11900KB | Core i7-12700K |
|---|---|---|
| Socket | FCBGA1787 | LGA1700 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-3200 | 4800+119900% |
| Max RAM Capacity | 128 GB+104857500% | 128 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 20 | 20 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Core i9-11900KB supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Both include integrated graphics — Intel UHD Graphics (Core i9-11900KB) and Intel UHD Graphics 770 (Core i7-12700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Core i9-11900KB | Core i7-12700K |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics | Intel UHD Graphics 770 |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Core i9-11900KB launched at $539 MSRP, while the Core i7-12700K debuted at $409. At current prices ($350 vs $285), the Core i7-12700K is $65 cheaper. In terms of value (PassMark points per dollar), the Core i9-11900KB delivers 64.8 pts/$ vs 120.5 pts/$ for the Core i7-12700K — making the Core i7-12700K the 60.1% better value option.
| Feature | Core i9-11900KB | Core i7-12700K |
|---|---|---|
| MSRP | $539 | $409-24% |
| Avg Price (30d) | $350 | $285-19% |
| Performance per Dollar | 64.8 | 120.5+86% |
| Release Date | 2021 | 2021 |
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