
Xeon E5-1620 vs Xeon E3-1505L v6

Xeon E5-1620

Xeon E3-1505L v6
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 E5-1620 is positioned at rank 953 and the Xeon E3-1505L v6 is on rank 490, so the Xeon E3-1505L v6 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-1620
Performance Per Dollar Xeon E3-1505L v6
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-1620 | Xeon E3-1505L v6 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($70) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge-E (2011−2013) / 32 nm) | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E5-1620 | Xeon E3-1505L v6 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($70) | ✅ 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 Xeon E5-1620 and Xeon E3-1505L v6

Xeon E5-1620
The Xeon E5-1620 is manufactured by Intel. It was released in 6 March 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: 5,848 points. Launch price was $313.

Xeon E3-1505L v6
The Xeon E3-1505L v6 is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 8 threads. Max frequency: 2.2 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Thermal design power (TDP): 25 Watt. Memory support: DDR3L-1600. Passmark benchmark score: 5,882 points. Launch price was $433.
Processing Power
Both the Xeon E5-1620 and Xeon E3-1505L v6 share an identical 4-core/8-thread configuration. Boost clocks reach 3.8 GHz on the Xeon E5-1620 versus 2.2 GHz on the Xeon E3-1505L v6 — a 53.3% clock advantage for the Xeon E5-1620. The Xeon E5-1620 uses the Sandy Bridge-E (2011−2013) architecture (32 nm), while the Xeon E3-1505L v6 uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Xeon E5-1620 scores 5,848 against the Xeon E3-1505L v6's 5,882 — a 0.6% lead for the Xeon E3-1505L v6. L3 cache: 10240 kB (total) on the Xeon E5-1620 vs 8 MB on the Xeon E3-1505L v6.
| Feature | Xeon E5-1620 | Xeon E3-1505L v6 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 3.8 GHz+73% | 2.2 GHz |
| Base Clock | 3.6 GHz | — |
| L3 Cache | 10240 kB (total)+25% | 8 MB |
| L2 Cache | 256 kB (per core) | 1 MB+300% |
| Process | 32 nm | 14 nm-56% |
| Architecture | Sandy Bridge-E (2011−2013) | Kaby Lake (2016−2019) |
| PassMark | 5,848 | 5,882 |
| Cinebench R23 Multi | 3,469 | — |
| Geekbench 6 Single | 612 | — |
| Geekbench 6 Multi | 2,250 | — |
Advanced Features
Virtualization: true (Xeon E5-1620) / not specified (Xeon E3-1505L v6).
| Feature | Xeon E5-1620 | Xeon E3-1505L v6 |
|---|---|---|
| Integrated GPU | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
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