CPU
GPU
Core i7-3820QM
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 i7-3820QM is positioned at rank 1075 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 i7-3820QM
Performance Per Dollar Atom C3808
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-3820QM | Atom C3808 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-3820QM | Atom C3808 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 i7-3820QM and Atom C3808
Core i7-3820QM
The Core i7-3820QM is manufactured by Intel. It was released in 29 April 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.7 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 5,607 points. Launch price was $498.
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 i7-3820QM packs 4 cores / 8 threads, while the Atom C3808 offers 12 cores / 12 threads — the Atom C3808 has 8 more cores. Boost clocks reach 3.7 GHz on the Core i7-3820QM versus 2 GHz on the Atom C3808 — a 59.6% clock advantage for the Core i7-3820QM (base: 2.7 GHz vs 2 GHz). The Core i7-3820QM uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Atom C3808 uses Goldmont (2016−2017) (14 nm). In PassMark, the Core i7-3820QM scores 5,607 against the Atom C3808's 5,671 — a 1.1% lead for the Atom C3808. L3 cache: 8 MB (total) on the Core i7-3820QM vs 12 MB on the Atom C3808.
| Feature | Core i7-3820QM | Atom C3808 |
|---|---|---|
| Cores / Threads | 4 / 8 | 12 / 12+200% |
| Boost Clock | 3.7 GHz+85% | 2 GHz |
| Base Clock | 2.7 GHz+35% | 2 GHz |
| L3 Cache | 8 MB (total) | 12 MB+50% |
| L2 Cache | 256K (per core) | 12 MB+4700% |
| Process | 22 nm | 14 nm-36% |
| Architecture | Ivy Bridge (2012−2013) | Goldmont (2016−2017) |
| PassMark | 5,607 | 5,671+1% |
| Geekbench 6 Single | 604 | — |
Memory & Platform
The Core i7-3820QM uses the PGA988 socket (PCIe 3.0), while the Atom C3808 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i7-3820QM 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 i7-3820QM) vs 12 (Atom C3808) — the Core i7-3820QM offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM75,HM76,HM77,QM77,QS77 (Core i7-3820QM) and Intel FCBGA1310 (Atom C3808).
| Feature | Core i7-3820QM | Atom C3808 |
|---|---|---|
| Socket | PGA988 | FCBGA1310 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3-1600 | 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, VT-d, EPT (Core i7-3820QM) / not specified (Atom C3808). The Core i7-3820QM includes integrated graphics (HD Graphics 4000), while the Atom C3808 requires a dedicated GPU. Primary use case: Core i7-3820QM targets High Performance Laptop. Direct competitor: Core i7-3820QM rivals A10-4600M.
| Feature | Core i7-3820QM | Atom C3808 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics 4000 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | High Performance Laptop | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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