CPU
GPU
Xeon E5-2649 V3
Xeon E5-1680 v2
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 E5-2649 V3 is positioned at rank 266 and the Xeon E5-1680 v2 is on rank 943, so the Xeon E5-2649 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 E5-2649 V3
Performance Per Dollar Xeon E5-1680 v2
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2649 V3 | Xeon E5-1680 v2 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($150) |
| Longevity | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) | 🛑 Legacy (Ivy Bridge-EP (2013) / 22 nm) |
💎 Value Proposition
| Insight | Xeon E5-2649 V3 | Xeon E5-1680 v2 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($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 E5-2649 V3 and Xeon E5-1680 v2
Xeon E5-2649 V3
The Xeon E5-2649 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 2.3 GHz, with boost up to 3 GHz. L3 cache: 25 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 105 Watt. Memory support: DDR3, DDR4 2133 MHz Quad-channel. Passmark benchmark score: 12,399 points. Launch price was $800.
Xeon E5-1680 v2
The Xeon E5-1680 v2 is manufactured by Intel. It was released in 2015-01-01. It is based on the Ivy Bridge-EP (2013) architecture. It features 8 cores and 16 threads. Base frequency is 3 GHz, with boost up to 3.9 GHz. L3 cache: 25 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, DDR3-1866. Passmark benchmark score: 12,396 points. Launch price was $800.
Processing Power
The Xeon E5-2649 V3 packs 10 cores / 20 threads, while the Xeon E5-1680 v2 offers 8 cores / 16 threads — the Xeon E5-2649 V3 has 2 more cores. Boost clocks reach 3 GHz on the Xeon E5-2649 V3 versus 3.9 GHz on the Xeon E5-1680 v2 — a 26.1% clock advantage for the Xeon E5-1680 v2 (base: 2.3 GHz vs 3 GHz). The Xeon E5-2649 V3 uses the Haswell-EP (2014−2015) architecture (22 nm), while the Xeon E5-1680 v2 uses Ivy Bridge-EP (2013) (22 nm). In PassMark, the Xeon E5-2649 V3 scores 12,399 against the Xeon E5-1680 v2's 12,396 — a 0% lead for the Xeon E5-2649 V3. Both processors carry 25 MB (total) of L3 cache.
| Feature | Xeon E5-2649 V3 | Xeon E5-1680 v2 |
|---|---|---|
| Cores / Threads | 10 / 20+25% | 8 / 16 |
| Boost Clock | 3 GHz | 3.9 GHz+30% |
| Base Clock | 2.3 GHz | 3 GHz+30% |
| L3 Cache | 25 MB (total) | 25 MB (total) |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 22 nm | 22 nm |
| Architecture | Haswell-EP (2014−2015) | Ivy Bridge-EP (2013) |
| PassMark | 12,399 | 12,396 |
| Cinebench R23 Multi | — | 8,579 |
| Geekbench 6 Single | — | 750 |
| Geekbench 6 Multi | — | 4,500 |
Memory & Platform
The Xeon E5-2649 V3 uses the LGA2011-3 socket (PCIe 5.0), while the Xeon E5-1680 v2 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-2649 V3 | Xeon E5-1680 v2 |
|---|---|---|
| Socket | LGA2011-3 | LGA2011 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | — | DDR3-1866 |
| Max RAM Capacity | — | 256 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 40 |
Advanced Features
Virtualization: not specified (Xeon E5-2649 V3) / VT-x, VT-d, EPT (Xeon E5-1680 v2). Primary use case: Xeon E5-1680 v2 targets Server/Workstation. Direct competitor: Xeon E5-1680 v2 rivals Core i7-4960X.
| Feature | Xeon E5-2649 V3 | Xeon E5-1680 v2 |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Server/Workstation |
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