Core i7-3970X Extreme Edition vs Xeon E5-2685 v3
Core i7-3970X Extreme Edition
Xeon E5-2685 v3
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 Core i7-3970X Extreme Edition is positioned at rank 943 and the Xeon E5-2685 v3 is on rank 250, so the Xeon E5-2685 v3 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-3970X Extreme Edition
Performance Per Dollar Xeon E5-2685 v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-3970X Extreme Edition | Xeon E5-2685 v3 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($175) | ⚠️ Higher cost ($2,090) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) |
💎 Value Proposition
| Insight | Core i7-3970X Extreme Edition | Xeon E5-2685 v3 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1090%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($175) | ⚠️ Higher cost ($2,090) |
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 Core i7-3970X Extreme Edition and Xeon E5-2685 v3
Core i7-3970X Extreme Edition
The Core i7-3970X Extreme Edition is manufactured by Intel. It was released in 12 November 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 6 cores and 12 threads. Max frequency: 3.5 GHz. L3 cache: 15 MB. L2 cache: 1,536 kB. Built on 32 nm process technology. Socket: FCLGA2011. Thermal design power (TDP): 150 Watt. Memory support: DDR3-1600. Passmark benchmark score: 12,900 points. Launch price was $149.
Xeon E5-2685 v3
The Xeon E5-2685 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 12 threads. Base frequency is 2.6 GHz, with boost up to 3.3 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 120 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 12,944 points. Launch price was $800.
Processing Power
The Core i7-3970X Extreme Edition packs 6 cores / 12 threads, while the Xeon E5-2685 v3 offers 12 cores / 12 threads — the Xeon E5-2685 v3 has 6 more cores. Boost clocks reach 3.5 GHz on the Core i7-3970X Extreme Edition versus 3.3 GHz on the Xeon E5-2685 v3 — a 5.9% clock advantage for the Core i7-3970X Extreme Edition. The Core i7-3970X Extreme Edition uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Xeon E5-2685 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i7-3970X Extreme Edition scores 12,900 against the Xeon E5-2685 v3's 12,944 — a 0.3% lead for the Xeon E5-2685 v3. L3 cache: 15 MB on the Core i7-3970X Extreme Edition vs 30 MB (total) on the Xeon E5-2685 v3.
| Feature | Core i7-3970X Extreme Edition | Xeon E5-2685 v3 |
|---|---|---|
| Cores / Threads | 6 / 12 | 12 / 12+100% |
| Boost Clock | 3.5 GHz+6% | 3.3 GHz |
| Base Clock | — | 2.6 GHz |
| L3 Cache | 15 MB | 30 MB (total)+100% |
| L2 Cache | 1,536 kB+500% | 256K (per core) |
| Process | 32 nm | 22 nm-31% |
| Architecture | Sandy Bridge (2011−2013) | Haswell-EP (2014−2015) |
| PassMark | 12,900 | 12,944 |
| Geekbench 6 Single | 742 | — |
Memory & Platform
The Core i7-3970X Extreme Edition uses the FCLGA2011 socket (PCIe 2.0), while the Xeon E5-2685 v3 uses LGA2011-3 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Core i7-3970X Extreme Edition | Xeon E5-2685 v3 |
|---|---|---|
| Socket | FCLGA2011 | LGA2011-3 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | DDR3-1600 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 4 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 40 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i7-3970X Extreme Edition) / not specified (Xeon E5-2685 v3). Primary use case: Core i7-3970X Extreme Edition targets HEDT Desktop. Direct competitor: Core i7-3970X Extreme Edition rivals FX-9590.
| Feature | Core i7-3970X Extreme Edition | Xeon E5-2685 v3 |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | HEDT Desktop | — |
Value Analysis
The Core i7-3970X Extreme Edition launched at $990 MSRP, while the Xeon E5-2685 v3 debuted at $2090.
| Feature | Core i7-3970X Extreme Edition | Xeon E5-2685 v3 |
|---|---|---|
| MSRP | $990-53% | $2090 |
| Avg Price (30d) | $175 | — |
| Release Date | 2012 | 2014 |
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