Core i7-2700K vs Atom C3808
Core i7-2700K
Atom C3808
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. The Core i7-2700K is positioned at rank 863 and the Atom C3808 is on rank 737, so the Atom C3808 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-2700K
Performance Per Dollar Atom C3808
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-2700K | Atom C3808 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($45) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-2700K | Atom C3808 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($45) | ✅ 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 i7-2700K and Atom C3808
Core i7-2700K
The Core i7-2700K is manufactured by Intel. It was released in 24 October 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,689 points. Launch price was $514.
Atom C3808
The Atom C3808 is manufactured by Intel. It was released in 15 August 2017 (8 years ago). It is based on the Goldmont (2016−2017) architecture. It features 12 cores and 12 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 12 MB. L2 cache: 12 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 25 Watt. Memory support: DDR4: 2133. Passmark benchmark score: 5,671 points. Launch price was $369.
Processing Power
The Core i7-2700K packs 4 cores / 8 threads, while the Atom C3808 offers 12 cores / 12 threads — the Atom C3808 has 8 more cores. Boost clocks reach 3.9 GHz on the Core i7-2700K versus 2 GHz on the Atom C3808 — a 64.4% clock advantage for the Core i7-2700K (base: 3.5 GHz vs 2 GHz). The Core i7-2700K uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Atom C3808 uses Goldmont (2016−2017) (14 nm). In PassMark, the Core i7-2700K scores 5,689 against the Atom C3808's 5,671 — a 0.3% lead for the Core i7-2700K. L3 cache: 8 MB (total) on the Core i7-2700K vs 12 MB on the Atom C3808.
| Feature | Core i7-2700K | Atom C3808 |
|---|---|---|
| Cores / Threads | 4 / 8 | 12 / 12+200% |
| Boost Clock | 3.9 GHz+95% | 2 GHz |
| Base Clock | 3.5 GHz+75% | 2 GHz |
| L3 Cache | 8 MB (total) | 12 MB+50% |
| L2 Cache | 256 kB (per core) | 12 MB+4700% |
| Process | 32 nm | 14 nm-56% |
| Architecture | Sandy Bridge (2011−2013) | Goldmont (2016−2017) |
| PassMark | 5,689 | 5,671 |
| Geekbench 6 Single | 701 | — |
Memory & Platform
The Core i7-2700K uses the LGA1155 socket (PCIe 2.0), while the Atom C3808 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i7-2700K versus DDR4-2133 on the Atom C3808 — the Atom C3808 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom C3808 supports up to 256 GB of RAM compared to 32 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-2700K) vs 12 (Atom C3808) — the Core i7-2700K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P67,Z68,Z77,H67,H61,B75 (Core i7-2700K) and Intel FCBGA1310 (Atom C3808).
| Feature | Core i7-2700K | Atom C3808 |
|---|---|---|
| Socket | LGA1155 | FCBGA1310 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR4-2133+33% |
| Max RAM Capacity | 32 GB | 256 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16+33% | 12 |
Advanced Features
Virtualization: VT-x (Core i7-2700K) / not specified (Atom C3808). The Core i7-2700K includes integrated graphics (HD Graphics 3000), while the Atom C3808 requires a dedicated GPU. Primary use case: Core i7-2700K targets Gaming Desktop. Direct competitor: Core i7-2700K rivals FX-8150.
| Feature | Core i7-2700K | Atom C3808 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics 3000 | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Gaming Desktop | — |
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