Xeon E5-2685 v3 vs Xeon E5-2660 v3
Xeon E5-2685 v3
Xeon E5-2660 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. The Xeon E5-2685 v3 is positioned at rank #250 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-2685 v3
Performance Per Dollar Xeon E5-2660 v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2685 v3 | Xeon E5-2660 v3 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($2,090) | ✅ More affordable ($150) |
| Longevity | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) |
💎 Value Proposition
| Insight | Xeon E5-2685 v3 | Xeon E5-2660 v3 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1304%) |
| Upfront Cost | ⚠️ Higher cost ($2,090) | ✅ More affordable ($150) |
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 E5-2685 v3 and Xeon E5-2660 v3
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.
Xeon E5-2660 v3
The Xeon E5-2660 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 2.6 GHz, with boost up to 3.3 GHz. L3 cache: 25 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 105 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 13,039 points. Launch price was $800.
Processing Power
The Xeon E5-2685 v3 packs 12 cores / 12 threads, while the Xeon E5-2660 v3 offers 10 cores / 20 threads — the Xeon E5-2685 v3 has 2 more cores. Boost clocks reach 3.3 GHz on the Xeon E5-2685 v3 versus 3.3 GHz on the Xeon E5-2660 v3 — identical boost frequencies (base: 2.6 GHz vs 2.6 GHz). Both are built on the Haswell-EP (2014−2015) architecture using a 22 nm process. In PassMark, the Xeon E5-2685 v3 scores 12,944 against the Xeon E5-2660 v3's 13,039 — a 0.7% lead for the Xeon E5-2660 v3. L3 cache: 30 MB (total) on the Xeon E5-2685 v3 vs 25 MB (total) on the Xeon E5-2660 v3.
| Feature | Xeon E5-2685 v3 | Xeon E5-2660 v3 |
|---|---|---|
| Cores / Threads | 12 / 12+20% | 10 / 20 |
| Boost Clock | 3.3 GHz | 3.3 GHz |
| Base Clock | 2.6 GHz | 2.6 GHz |
| L3 Cache | 30 MB (total)+20% | 25 MB (total) |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 22 nm | 22 nm |
| Architecture | Haswell-EP (2014−2015) | Haswell-EP (2014−2015) |
| PassMark | 12,944 | 13,039 |
Memory & Platform
The Xeon E5-2685 v3 uses the LGA2011-3 socket (PCIe 5.0), while the Xeon E5-2660 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-2685 v3 | Xeon E5-2660 v3 |
|---|---|---|
| Socket | LGA2011-3 | LGA2011 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2133 |
| Max RAM Capacity | — | 768 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 40 |
Advanced Features
Virtualization: not specified (Xeon E5-2685 v3) / VT-x, VT-d (Xeon E5-2660 v3). Primary use case: Xeon E5-2660 v3 targets Server.
| Feature | Xeon E5-2685 v3 | Xeon E5-2660 v3 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Server |
Value Analysis
The Xeon E5-2685 v3 launched at $2090 MSRP, while the Xeon E5-2660 v3 debuted at $1445.
| Feature | Xeon E5-2685 v3 | Xeon E5-2660 v3 |
|---|---|---|
| MSRP | $2090 | $1445-31% |
| Avg Price (30d) | — | $150 |
| Release Date | 2014 | 2014 |
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