
Xeon E3-1220L v3 vs Core 2 Duo E6550

Xeon E3-1220L v3

Core 2 Duo E6550
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 Xeon E3-1220L v3 is positioned at rank 939 and the Core 2 Duo E6550 is on rank 1022, so the Xeon E3-1220L v3 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1220L v3
Performance Per Dollar Core 2 Duo E6550
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1220L v3 | Core 2 Duo E6550 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($30) | ✅ More affordable ($20) |
| Longevity | 🛑 Legacy (Haswell-WS (2013−2014) / 22 nm) | 🛑 Legacy (Conroe (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | Xeon E3-1220L v3 | Core 2 Duo E6550 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+49%) |
| Upfront Cost | ⚠️ Higher cost ($30) | ✅ More affordable ($20) |
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 Xeon E3-1220L v3 and Core 2 Duo E6550

Xeon E3-1220L v3
The Xeon E3-1220L v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-WS (2013−2014) architecture. It features 2 cores and 4 threads. Base frequency is 1.1 GHz, with boost up to 1.5 GHz. L3 cache: 4096 kB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 13 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,407 points. Launch price was $800.

Core 2 Duo E6550
The Core 2 Duo E6550 is manufactured by Intel. It was released in 2008-01-01. It is based on the Conroe (2006−2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.33 GHz, with boost up to 2.33 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,395 points. Launch price was $249.
Processing Power
The Xeon E3-1220L v3 packs 2 cores / 4 threads, matching the Core 2 Duo E6550's 2 cores. Boost clocks reach 1.5 GHz on the Xeon E3-1220L v3 versus 2.33 GHz on the Core 2 Duo E6550 — a 43.3% clock advantage for the Core 2 Duo E6550 (base: 1.1 GHz vs 2.33 GHz). The Xeon E3-1220L v3 uses the Haswell-WS (2013−2014) architecture (22 nm), while the Core 2 Duo E6550 uses Conroe (2006−2007) (65 nm). In PassMark, the Xeon E3-1220L v3 scores 1,407 against the Core 2 Duo E6550's 1,395 — a 0.9% lead for the Xeon E3-1220L v3. L3 cache: 4096 kB (total) on the Xeon E3-1220L v3 vs 0 kB on the Core 2 Duo E6550.
| Feature | Xeon E3-1220L v3 | Core 2 Duo E6550 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 1.5 GHz | 2.33 GHz+55% |
| Base Clock | 1.1 GHz | 2.33 GHz+112% |
| L3 Cache | 4096 kB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 4 MB+1500% |
| Process | 22 nm-66% | 65 nm |
| Architecture | Haswell-WS (2013−2014) | Conroe (2006−2007) |
| PassMark | 1,407 | 1,395 |
Memory & Platform
The Xeon E3-1220L v3 uses the LGA1150 socket (PCIe 3.0), while the Core 2 Duo E6550 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Xeon E3-1220L v3 versus 1333 on the Core 2 Duo E6550 — the Core 2 Duo E6550 supports 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E3-1220L v3 supports up to 32 GB of RAM compared to 16 — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: C222,C224,C226 (Xeon E3-1220L v3) and P35,G31,G33,P45 (Core 2 Duo E6550).
| Feature | Xeon E3-1220L v3 | Core 2 Duo E6550 |
|---|---|---|
| Socket | LGA1150 | LGA775 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR3-1600 | 1333+44333% |
| Max RAM Capacity | 32 GB+209715100% | 16 |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-P (Xeon E3-1220L v3) vs true (Core 2 Duo E6550). Direct competitor: Core 2 Duo E6550 rivals Athlon 64 X2 6000+.
| Feature | Xeon E3-1220L v3 | Core 2 Duo E6550 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-P | true |
Value Analysis
The Xeon E3-1220L v3 launched at $193 MSRP, while the Core 2 Duo E6550 debuted at $163. At current prices ($30 vs $20), the Core 2 Duo E6550 is $10 cheaper. In terms of value (PassMark points per dollar), the Xeon E3-1220L v3 delivers 46.9 pts/$ vs 69.8 pts/$ for the Core 2 Duo E6550 — making the Core 2 Duo E6550 the 39.2% better value option.
| Feature | Xeon E3-1220L v3 | Core 2 Duo E6550 |
|---|---|---|
| MSRP | $193 | $163-16% |
| Avg Price (30d) | $30 | $20-33% |
| Performance per Dollar | 46.9 | 69.8+49% |
| Release Date | 2013 | 2007 |
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