Core i7-12700K vs Atom x7809C
Core i7-12700K
Atom x7809C
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 i7-12700K
Performance Per Dollar Atom x7809C
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-12700K | Atom x7809C |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($285) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) | ✨ Modern (Amston Lake (2024−2025) / 10 nm) |
💎 Value Proposition
| Insight | Core i7-12700K | Atom x7809C |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($285) | ✅ More affordable ($0) |
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 i7-12700K and Atom x7809C
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.
Atom x7809C
The Atom x7809C is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 8 cores and 8 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (per module). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 25 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 9,409 points. Launch price was $117.
Processing Power
The Core i7-12700K packs 12 cores / 20 threads, while the Atom x7809C offers 8 cores / 8 threads — the Core i7-12700K has 4 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 3.6 GHz on the Atom x7809C — a 32.6% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 2 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Atom x7809C uses Amston Lake (2024−2025) (10 nm). In PassMark, the Core i7-12700K scores 34,347 against the Atom x7809C's 9,409 — a 114% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 6 MB (total) on the Atom x7809C.
| Feature | Core i7-12700K | Atom x7809C |
|---|---|---|
| Cores / Threads | 12 / 20+50% | 8 / 8 |
| Boost Clock | 5 GHz+39% | 3.6 GHz |
| Base Clock | 3.6 GHz+80% | 2 GHz |
| L3 Cache | 25 MB (total)+317% | 6 MB (total) |
| L2 Cache | 1.25 MB (per core) | 2 MB (per module)+60% |
| Process | 10 nm | 10 nm |
| Architecture | Alder Lake, Golden Cove, Gracemont (2021) | Amston Lake (2024−2025) |
| PassMark | 34,347+265% | 9,409 |
| Geekbench 6 Single | — | 1,102 |
| Geekbench 6 Multi | — | 4,657 |
Memory & Platform
The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Atom x7809C uses FCBGA1264 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR5-4800 on the Atom x7809C — the Core i7-12700K supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-12700K supports up to 128 of RAM compared to 32 GB — 120% more capacity for professional workloads. Memory channels: 2 (Core i7-12700K) vs 1 (Atom x7809C). PCIe lanes: 20 (Core i7-12700K) vs 9 (Atom x7809C) — the Core i7-12700K offers 11 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and FCBGA1264 (Atom x7809C).
| Feature | Core i7-12700K | Atom x7809C |
|---|---|---|
| Socket | LGA1700 | FCBGA1264 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 4800+95900% | DDR5-4800 |
| Max RAM Capacity | 128 | 32 GB+26214300% |
| RAM Channels | 2+100% | 1 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20+122% | 9 |
Advanced Features
Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Atom x7809C requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Core i7-12700K | Atom x7809C |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 770 | — |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
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