Xeon E5-2628L V3 vs Core i7-5820K
Xeon E5-2628L V3
Core i7-5820K
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 E5-2628L V3 is positioned at rank 265 and the Core i7-5820K is on rank 686, so the Xeon E5-2628L 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 E5-2628L V3
Performance Per Dollar Core i7-5820K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2628L V3 | Core i7-5820K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($103) |
| Longevity | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) | 🛑 Legacy (Haswell-E (2014) / 22 nm) |
💎 Value Proposition
| Insight | Xeon E5-2628L V3 | Core i7-5820K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($103) |
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 E5-2628L V3 and Core i7-5820K
Xeon E5-2628L V3
The Xeon E5-2628L V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 10 cores and 20 threads. Base frequency is 2 GHz, with boost up to 2.5 GHz. L3 cache: 25 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 75 Watt. Memory support: DDR4-1866. Passmark benchmark score: 9,949 points. Launch price was $800.
Core i7-5820K
The Core i7-5820K is manufactured by Intel. It was released in 1 September 2014 (11 years ago). It is based on the Haswell-E (2014) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 3.6 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 9,826 points. Launch price was $410.
Processing Power
The Xeon E5-2628L V3 packs 10 cores / 20 threads, while the Core i7-5820K offers 6 cores / 12 threads — the Xeon E5-2628L V3 has 4 more cores. Boost clocks reach 2.5 GHz on the Xeon E5-2628L V3 versus 3.6 GHz on the Core i7-5820K — a 36.1% clock advantage for the Core i7-5820K (base: 2 GHz vs 3.3 GHz). The Xeon E5-2628L V3 uses the Haswell-EP (2014−2015) architecture (22 nm), while the Core i7-5820K uses Haswell-E (2014) (22 nm). In PassMark, the Xeon E5-2628L V3 scores 9,949 against the Core i7-5820K's 9,826 — a 1.2% lead for the Xeon E5-2628L V3. L3 cache: 25 MB (total) on the Xeon E5-2628L V3 vs 15 MB (total) on the Core i7-5820K.
| Feature | Xeon E5-2628L V3 | Core i7-5820K |
|---|---|---|
| Cores / Threads | 10 / 20+67% | 6 / 12 |
| Boost Clock | 2.5 GHz | 3.6 GHz+44% |
| Base Clock | 2 GHz | 3.3 GHz+65% |
| L3 Cache | 25 MB (total)+67% | 15 MB (total) |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 22 nm | 22 nm |
| Architecture | Haswell-EP (2014−2015) | Haswell-E (2014) |
| PassMark | 9,949+1% | 9,826 |
| Cinebench R23 Multi | — | 5,700 |
| Geekbench 6 Single | — | 1,134 |
| Geekbench 6 Multi | — | 5,383 |
Memory & Platform
The Xeon E5-2628L V3 uses the LGA2011-3 socket (PCIe 3.0), while the Core i7-5820K uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-2628L V3 | Core i7-5820K |
|---|---|---|
| Socket | LGA2011-3 | LGA2011 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2133 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 28 |
Advanced Features
Virtualization: not specified (Xeon E5-2628L V3) / Yes (Core i7-5820K). Primary use case: Core i7-5820K targets Enthusiast Workstation. Direct competitor: Core i7-5820K rivals Ryzen 5 1600.
| Feature | Xeon E5-2628L V3 | Core i7-5820K |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | Yes |
| Target Use | — | Enthusiast Workstation |
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