Core i9-12900K vs Core i5-10400F
Core i9-12900K
Core i5-10400F
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 i9-12900K
Performance Per Dollar Core i5-10400F
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-12900K | Core i5-10400F |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($322) | ✅ More affordable ($102) |
| Longevity | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) | ✨ Modern (Comet Lake (2020−2025) / 14 nm) |
💎 Value Proposition
| Insight | Core i9-12900K | Core i5-10400F |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+0%) | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($322) | ✅ More affordable ($102) |
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 i9-12900K and Core i5-10400F
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.
Core i5-10400F
The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.
Processing Power
The Core i9-12900K packs 16 cores / 24 threads, while the Core i5-10400F offers 6 cores / 12 threads — the Core i9-12900K has 10 more cores. Boost clocks reach 5.2 GHz on the Core i9-12900K versus 4.3 GHz on the Core i5-10400F — a 18.9% clock advantage for the Core i9-12900K (base: 3.2 GHz vs 2.9 GHz). The Core i9-12900K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core i9-12900K scores 41,180 against the Core i5-10400F's 13,029 — a 103.9% lead for the Core i9-12900K. L3 cache: 30 MB (total) on the Core i9-12900K vs 12 MB (total) on the Core i5-10400F.
| Feature | Core i9-12900K | Core i5-10400F |
|---|---|---|
| Cores / Threads | 16 / 24+167% | 6 / 12 |
| Boost Clock | 5.2 GHz+21% | 4.3 GHz |
| Base Clock | 3.2 GHz+10% | 2.9 GHz |
| L3 Cache | 30 MB (total)+150% | 12 MB (total) |
| L2 Cache | 1.25 MB (per core)+400% | 256K (per core) |
| Process | 10 nm-29% | 14 nm |
| Architecture | Alder Lake, Golden Cove, Gracemont (2021) | Comet Lake (2020−2025) |
| PassMark | 41,180+216% | 13,029 |
| Cinebench R23 Multi | — | 8,191 |
| Geekbench 6 Single | — | 1,454 |
| Geekbench 6 Multi | — | 5,783 |
Memory & Platform
The Core i9-12900K uses the LGA1700 socket (PCIe 5.0), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i9-12900K versus DDR4-2666 on the Core i5-10400F — the Core i9-12900K supports 22.2% 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. PCIe lanes: 20 (Core i9-12900K) vs 16 (Core i5-10400F) — the Core i9-12900K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 600 series,Intel 700 series (Core i9-12900K) and H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F).
| Feature | Core i9-12900K | Core i5-10400F |
|---|---|---|
| Socket | LGA1700 | LGA1200 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-4800+25% | DDR4-2666 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 20+25% | 16 |
Advanced Features
Virtualization: not specified (Core i9-12900K) / VT-x, VT-d (Core i5-10400F). The Core i9-12900K includes integrated graphics (Intel UHD Graphics 770), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.
| Feature | Core i9-12900K | Core i5-10400F |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 770 | — |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Gaming |
Value Analysis
The Core i9-12900K launched at $589 MSRP, while the Core i5-10400F debuted at $160. At current prices ($322 vs $102), the Core i5-10400F is $220 cheaper. In terms of value (PassMark points per dollar), the Core i9-12900K delivers 127.9 pts/$ vs 127.7 pts/$ for the Core i5-10400F — making the Core i9-12900K the 0.1% better value option.
| Feature | Core i9-12900K | Core i5-10400F |
|---|---|---|
| MSRP | $589 | $160-73% |
| Avg Price (30d) | $322 | $102-68% |
| Performance per Dollar | 127.9 | 127.7 |
| Release Date | 2021 | 2020 |
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