
Xeon X5677

Xeon E3-1505L 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 X5677 is positioned at rank 550 and the Xeon E3-1505L v5 is on rank 549, so the Xeon E3-1505L v5 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X5677
Performance Per Dollar Xeon E3-1505L v5
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5677 | Xeon E3-1505L v5 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | 🛑 Legacy (Skylake-H (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Xeon X5677 | Xeon E3-1505L v5 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 X5677 and Xeon E3-1505L v5

Xeon X5677
The Xeon X5677 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 3.46 GHz, with boost up to 3.73 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 5,054 points. Launch price was $350.

Xeon E3-1505L v5
The Xeon E3-1505L v5 is manufactured by Intel. It was released in 27 October 2015 (10 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 2 GHz, with boost up to 2.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 25 Watt. Memory support: LPDDR3-1866. Passmark benchmark score: 5,083 points. Launch price was $433.
Processing Power
Both the Xeon X5677 and Xeon E3-1505L v5 share an identical 4-core/8-thread configuration. Boost clocks reach 3.73 GHz on the Xeon X5677 versus 2.8 GHz on the Xeon E3-1505L v5 — a 28.5% clock advantage for the Xeon X5677 (base: 3.46 GHz vs 2 GHz). The Xeon X5677 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Xeon E3-1505L v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Xeon X5677 scores 5,054 against the Xeon E3-1505L v5's 5,083 — a 0.6% lead for the Xeon E3-1505L v5. L3 cache: 12 MB (total) on the Xeon X5677 vs 8 MB (total) on the Xeon E3-1505L v5.
| Feature | Xeon X5677 | Xeon E3-1505L v5 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 3.73 GHz+33% | 2.8 GHz |
| Base Clock | 3.46 GHz+73% | 2 GHz |
| L3 Cache | 12 MB (total)+50% | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Westmere-EP (2010−2011) | Skylake-H (2015−2016) |
| PassMark | 5,054 | 5,083 |
Memory & Platform
The Xeon X5677 uses the LGA1366 socket (PCIe 2.0), while the Xeon E3-1505L v5 uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon X5677 | Xeon E3-1505L v5 |
|---|---|---|
| Socket | LGA1366 | BGA1440 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | — |
| RAM Channels | 3 | — |
| ECC Support | ✅ | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Xeon X5677) / not specified (Xeon E3-1505L v5). Primary use case: Xeon X5677 targets Workstation. Direct competitor: Xeon X5677 rivals Core i7-980X.
| Feature | Xeon X5677 | Xeon E3-1505L v5 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Workstation | — |
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