Phenom II X6 1100T BE vs Core i7-3820
Phenom II X6 1100T BE
Core i7-3820
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 Phenom II X6 1100T BE is positioned at rank 22 and the Core i7-3820 is on rank 791, so the Phenom II X6 1100T BE offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom II X6 1100T BE
Performance Per Dollar Core i7-3820
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X6 1100T BE | Core i7-3820 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($265) | ✅ More affordable ($30) |
| Longevity | 🛑 Legacy (Thuban (2010) / 45 nm) | 🛑 Legacy (Sandy Bridge-E (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Phenom II X6 1100T BE | Core i7-3820 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+790%) |
| Upfront Cost | ⚠️ Higher cost ($265) | ✅ More affordable ($30) |
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 Phenom II X6 1100T BE and Core i7-3820
Phenom II X6 1100T BE
The Phenom II X6 1100T BE is manufactured by AMD. It was released in 2009-01-01. It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 5,745 points. Launch price was $149.
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.
Processing Power
The Phenom II X6 1100T BE packs 6 cores / 6 threads, while the Core i7-3820 offers 4 cores / 8 threads — the Phenom II X6 1100T BE has 2 more cores. Boost clocks reach 3.7 GHz on the Phenom II X6 1100T BE versus 3.8 GHz on the Core i7-3820 — a 2.7% clock advantage for the Core i7-3820 (base: 3.3 GHz vs 3.6 GHz). The Phenom II X6 1100T BE uses the Thuban (2010) architecture (45 nm), while the Core i7-3820 uses Sandy Bridge-E (2011−2013) (32 nm). In PassMark, the Phenom II X6 1100T BE scores 5,745 against the Core i7-3820's 5,787 — a 0.7% lead for the Core i7-3820. Geekbench 6 single-core — the metric most relevant to gaming — records 508 vs 624, a 20.5% lead for the Core i7-3820 that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Phenom II X6 1100T BE vs 10240 kB (total) on the Core i7-3820.
| Feature | Phenom II X6 1100T BE | Core i7-3820 |
|---|---|---|
| Cores / Threads | 6 / 6+50% | 4 / 8 |
| Boost Clock | 3.7 GHz | 3.8 GHz+3% |
| Base Clock | 3.3 GHz | 3.6 GHz+9% |
| L3 Cache | 6 MB (total) | 10240 kB (total)+67% |
| L2 Cache | 512 kB (per core)+100% | 256 kB (per core) |
| Process | 45 nm | 32 nm-29% |
| Architecture | Thuban (2010) | Sandy Bridge-E (2011−2013) |
| PassMark | 5,745 | 5,787 |
| Geekbench 6 Single | 508 | 624+23% |
Memory & Platform
The Phenom II X6 1100T BE uses the AM3 socket (PCIe 2.0), while the Core i7-3820 uses LGA2011 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 / DDR2-1066 memory speed. The Core i7-3820 supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Memory channels: 2 (Phenom II X6 1100T BE) vs 4 (Core i7-3820). PCIe lanes: 16 (Phenom II X6 1100T BE) vs 40 (Core i7-3820) — the Core i7-3820 offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 870,880G,890FX,970,990FX (Phenom II X6 1100T BE) and X79 (Core i7-3820).
| Feature | Phenom II X6 1100T BE | Core i7-3820 |
|---|---|---|
| Socket | AM3 | LGA2011 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 / DDR2-1066 | DDR3-1600 |
| Max RAM Capacity | 32 GB | 64 GB+100% |
| RAM Channels | 2 | 4+100% |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 40+150% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: AMD-V (Phenom II X6 1100T BE) vs VT-x, VT-d, EPT (Core i7-3820). Primary use case: Phenom II X6 1100T BE targets Enthusiast Legacy, Core i7-3820 targets HEDT Desktop. Direct competitor: Core i7-3820 rivals FX-8350.
| Feature | Phenom II X6 1100T BE | Core i7-3820 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x, VT-d, EPT |
| Target Use | Enthusiast Legacy | HEDT Desktop |
Value Analysis
The Phenom II X6 1100T BE launched at $265 MSRP, while the Core i7-3820 debuted at $286.
| Feature | Phenom II X6 1100T BE | Core i7-3820 |
|---|---|---|
| MSRP | $265-7% | $286 |
| Avg Price (30d) | — | $30 |
| Release Date | 2010 | 2012 |
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