
Core i7-3820 vs Ryzen 3 PRO 3300U

Core i7-3820

Ryzen 3 PRO 3300U
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. The Core i7-3820 is positioned at rank #791 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 i7-3820
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-3820 | Ryzen 3 PRO 3300U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($30) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge-E (2011−2013) / 32 nm) | ✨ Modern (Picasso (2019−2022) / 12 nm) |
💎 Value Proposition
| Insight | Core i7-3820 | Ryzen 3 PRO 3300U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($30) | ✅ 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 i7-3820 and Ryzen 3 PRO 3300U

Core i7-3820
The Core i7-3820 is manufactured by Intel. It was released in Fevereiro 2012 (13 years ago). It is based on the Sandy Bridge-E (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 3.8 GHz. L3 cache: 10240 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 5,787 points. Launch price was $400.

Ryzen 3 PRO 3300U
The Ryzen 3 PRO 3300U is manufactured by AMD. It was released in 8 April 2019 (6 years ago). It is based on the Picasso (2019−2022) architecture. It features 4 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 12 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 5,831 points. Launch price was $149.
Processing Power
The Core i7-3820 packs 4 cores / 8 threads, matching the Ryzen 3 PRO 3300U's 4 cores. Boost clocks reach 3.8 GHz on the Core i7-3820 versus 3.5 GHz on the Ryzen 3 PRO 3300U — a 8.2% clock advantage for the Core i7-3820 (base: 3.6 GHz vs 2.1 GHz). The Core i7-3820 uses the Sandy Bridge-E (2011−2013) architecture (32 nm), while the Ryzen 3 PRO 3300U uses Picasso (2019−2022) (12 nm). In PassMark, the Core i7-3820 scores 5,787 against the Ryzen 3 PRO 3300U's 5,831 — a 0.8% lead for the Ryzen 3 PRO 3300U. L3 cache: 10240 kB (total) on the Core i7-3820 vs 4 MB (total) on the Ryzen 3 PRO 3300U.
| Feature | Core i7-3820 | Ryzen 3 PRO 3300U |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 4 |
| Boost Clock | 3.8 GHz+9% | 3.5 GHz |
| Base Clock | 3.6 GHz+71% | 2.1 GHz |
| L3 Cache | 10240 kB (total)+150% | 4 MB (total) |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 32 nm | 12 nm-63% |
| Architecture | Sandy Bridge-E (2011−2013) | Picasso (2019−2022) |
| PassMark | 5,787 | 5,831 |
| Geekbench 6 Single | 624 | — |
Memory & Platform
The Core i7-3820 uses the LGA2011 socket (PCIe 2.0), while the Ryzen 3 PRO 3300U uses FP5 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-3820 | Ryzen 3 PRO 3300U |
|---|---|---|
| Socket | LGA2011 | FP5 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1600 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 4 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 40 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i7-3820) / not specified (Ryzen 3 PRO 3300U). Primary use case: Core i7-3820 targets HEDT Desktop. Direct competitor: Core i7-3820 rivals FX-8350.
| Feature | Core i7-3820 | Ryzen 3 PRO 3300U |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | HEDT Desktop | — |
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