CPU
GPU
Xeon E3-1205 v6
Xeon E3-1220 v5
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 E3-1205 v6 is positioned at rank 507 and the Xeon E3-1220 v5 is on rank 513, so the Xeon E3-1205 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 E3-1205 v6
Performance Per Dollar Xeon E3-1220 v5
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1205 v6 | Xeon E3-1220 v5 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | 🛑 Legacy (Skylake-DT (2015) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E3-1205 v6 | Xeon E3-1220 v5 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
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 E3-1205 v6 and Xeon E3-1220 v5
Xeon E3-1205 v6
The Xeon E3-1205 v6 is manufactured by Intel. It was released in 28 March 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 5,682 points. Launch price was $193.
Xeon E3-1220 v5
The Xeon E3-1220 v5 is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake-DT (2015) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3.5 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR4-1866/2133, DDR3L-1333/1600. Passmark benchmark score: 5,713 points. Launch price was $203.
Processing Power
Both the Xeon E3-1205 v6 and Xeon E3-1220 v5 share an identical 4-core/4-thread configuration. Boost clocks reach 3 GHz on the Xeon E3-1205 v6 versus 3.5 GHz on the Xeon E3-1220 v5 — a 15.4% clock advantage for the Xeon E3-1220 v5 (base: 3 GHz vs 3 GHz). The Xeon E3-1205 v6 uses the Kaby Lake (2016−2019) architecture (14 nm), while the Xeon E3-1220 v5 uses Skylake-DT (2015) (14 nm). In PassMark, the Xeon E3-1205 v6 scores 5,682 against the Xeon E3-1220 v5's 5,713 — a 0.5% lead for the Xeon E3-1220 v5. L3 cache: 8 MB on the Xeon E3-1205 v6 vs 8 MB (total) on the Xeon E3-1220 v5.
| Feature | Xeon E3-1205 v6 | Xeon E3-1220 v5 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 3 GHz | 3.5 GHz+17% |
| Base Clock | 3 GHz | 3 GHz |
| L3 Cache | 8 MB | 8 MB (total) |
| L2 Cache | 1 MB+300% | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Kaby Lake (2016−2019) | Skylake-DT (2015) |
| PassMark | 5,682 | 5,713 |
Memory & Platform
Both processors use the LGA1151 socket with PCIe 3.0.
| Feature | Xeon E3-1205 v6 | Xeon E3-1220 v5 |
|---|---|---|
| Socket | LGA1151 | LGA1151 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Xeon E3-1205 v6 and Xeon E3-1220 v5
