
Xeon E3-1220L v3

Pentium D 820
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 Pentium D 820 is on rank 1065, 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 Pentium D 820
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1220L v3 | Pentium D 820 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($30) | ✅ More affordable ($20) |
| Longevity | 🛑 Legacy (Haswell-WS (2013−2014) / 22 nm) | 🛑 Legacy (NetBurst (2000−2006) / 90 nm) |
💎 Value Proposition
| Insight | Xeon E3-1220L v3 | Pentium D 820 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+51%) |
| 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 Pentium D 820

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.

Pentium D 820
The Pentium D 820 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 90 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,412 points. Launch price was $69.
Processing Power
The Xeon E3-1220L v3 packs 2 cores / 4 threads, matching the Pentium D 820's 2 cores. Boost clocks reach 1.5 GHz on the Xeon E3-1220L v3 versus 2.8 GHz on the Pentium D 820 — a 60.5% clock advantage for the Pentium D 820 (base: 1.1 GHz vs 2.8 GHz). The Xeon E3-1220L v3 uses the Haswell-WS (2013−2014) architecture (22 nm), while the Pentium D 820 uses NetBurst (2000−2006) (90 nm). In PassMark, the Xeon E3-1220L v3 scores 1,407 against the Pentium D 820's 1,412 — a 0.4% lead for the Pentium D 820. L3 cache: 4096 kB (total) on the Xeon E3-1220L v3 vs 0 kB on the Pentium D 820.
| Feature | Xeon E3-1220L v3 | Pentium D 820 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 1.5 GHz | 2.8 GHz+87% |
| Base Clock | 1.1 GHz | 2.8 GHz+155% |
| L3 Cache | 4096 kB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 2 MB+700% |
| Process | 22 nm-76% | 90 nm |
| Architecture | Haswell-WS (2013−2014) | NetBurst (2000−2006) |
| PassMark | 1,407 | 1,412 |
| Geekbench 6 Single | — | 166 |
Memory & Platform
The Xeon E3-1220L v3 uses the LGA1150 socket (PCIe 3.0), while the Pentium D 820 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 DDR2-667 on the Pentium D 820 — the Xeon E3-1220L v3 supports 40% 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 4 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Xeon E3-1220L v3) vs 0 (Pentium D 820) — the Xeon E3-1220L v3 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C222,C224,C226 (Xeon E3-1220L v3) and Intel 945,Intel 955 (Pentium D 820).
| Feature | Xeon E3-1220L v3 | Pentium D 820 |
|---|---|---|
| Socket | LGA1150 | LGA775 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR3-1600+50% | DDR2-667 |
| Max RAM Capacity | 32 GB+700% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Virtualization support: VT-P (Xeon E3-1220L v3) vs No (Pentium D 820).
| Feature | Xeon E3-1220L v3 | Pentium D 820 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | — |
| AVX-512 | No | No |
| Virtualization | VT-P | No |
Value Analysis
The Xeon E3-1220L v3 launched at $193 MSRP, while the Pentium D 820 debuted at $241. At current prices ($30 vs $20), the Pentium D 820 is $10 cheaper. In terms of value (PassMark points per dollar), the Xeon E3-1220L v3 delivers 46.9 pts/$ vs 70.6 pts/$ for the Pentium D 820 — making the Pentium D 820 the 40.3% better value option.
| Feature | Xeon E3-1220L v3 | Pentium D 820 |
|---|---|---|
| MSRP | $193-20% | $241 |
| Avg Price (30d) | $30 | $20-33% |
| Performance per Dollar | 46.9 | 70.6+51% |
| Release Date | 2013 | 2005 |
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