CPU
GPU
Core i7-5775C
Xeon D-1531
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 i7-5775C is positioned at rank 773 and the Xeon D-1531 is on rank 1004, so the Core i7-5775C offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-5775C
Performance Per Dollar Xeon D-1531
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-5775C | Xeon D-1531 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($150) | ⚠️ Higher cost ($250) |
| Longevity | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-5775C | Xeon D-1531 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+67%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($150) | ⚠️ Higher cost ($250) |
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 i7-5775C and Xeon D-1531
Core i7-5775C
The Core i7-5775C is manufactured by Intel. It was released in 15 May 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1150. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 7,688 points. Launch price was $366.
Xeon D-1531
The Xeon D-1531 is manufactured by Intel. It was released in 1 November 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 6 cores and 12 threads. Base frequency is 2.2 GHz, with boost up to 2.7 GHz. L3 cache: 1.5 MB (per core). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 7,668 points. Launch price was $348.
Processing Power
The Core i7-5775C packs 4 cores / 8 threads, while the Xeon D-1531 offers 6 cores / 12 threads — the Xeon D-1531 has 2 more cores. Boost clocks reach 3.7 GHz on the Core i7-5775C versus 2.7 GHz on the Xeon D-1531 — a 31.3% clock advantage for the Core i7-5775C (base: 3.3 GHz vs 2.2 GHz). Both are built on the Broadwell (2015−2019) architecture using a 14 nm process. In PassMark, the Core i7-5775C scores 7,688 against the Xeon D-1531's 7,668 — a 0.3% lead for the Core i7-5775C. L3 cache: 6 MB (total) on the Core i7-5775C vs 1.5 MB (per core) on the Xeon D-1531.
| Feature | Core i7-5775C | Xeon D-1531 |
|---|---|---|
| Cores / Threads | 4 / 8 | 6 / 12+50% |
| Boost Clock | 3.7 GHz+37% | 2.7 GHz |
| Base Clock | 3.3 GHz+50% | 2.2 GHz |
| L3 Cache | 6 MB (total)+300% | 1.5 MB (per core) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Broadwell (2015−2019) | Broadwell (2015−2019) |
| PassMark | 7,688 | 7,668 |
Memory & Platform
The Core i7-5775C uses the LGA1150 socket (PCIe 3.0), while the Xeon D-1531 uses FCBGA1667 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-5775C | Xeon D-1531 |
|---|---|---|
| Socket | LGA1150 | FCBGA1667 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
Value Analysis
The Core i7-5775C launched at $366 MSRP, while the Xeon D-1531 debuted at $2057. At current prices ($150 vs $250), the Core i7-5775C is $100 cheaper. In terms of value (PassMark points per dollar), the Core i7-5775C delivers 51.3 pts/$ vs 30.7 pts/$ for the Xeon D-1531 — making the Core i7-5775C the 50.2% better value option.
| Feature | Core i7-5775C | Xeon D-1531 |
|---|---|---|
| MSRP | $366-82% | $2057 |
| Avg Price (30d) | $150-40% | $250 |
| Performance per Dollar | 51.3+67% | 30.7 |
| Release Date | 2015 | 2015 |
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