Core i5-5675C vs Xeon D-1521
Core i5-5675C
Xeon D-1521
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 i5-5675C is positioned at rank 784 and the Xeon D-1521 is on rank 505, so the Xeon D-1521 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-5675C
Performance Per Dollar Xeon D-1521
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-5675C | Xeon D-1521 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($66) | ⚠️ Higher cost ($241) |
| Longevity | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-5675C | Xeon D-1521 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+265%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($66) | ⚠️ Higher cost ($241) |
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 i5-5675C and Xeon D-1521
Core i5-5675C
The Core i5-5675C 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 4 threads. Base frequency is 3.1 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA1150. Thermal design power (TDP): 65 Watt. Memory support: DDR3L-1333, DDR3L-1600. Passmark benchmark score: 5,693 points. Launch price was $149.
Xeon D-1521
The Xeon D-1521 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 4 cores and 8 threads. Base frequency is 2.4 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: 5,703 points. Launch price was $199.
Processing Power
The Core i5-5675C packs 4 cores / 4 threads, matching the Xeon D-1521's 4 cores. Boost clocks reach 3.6 GHz on the Core i5-5675C versus 2.7 GHz on the Xeon D-1521 — a 28.6% clock advantage for the Core i5-5675C (base: 3.1 GHz vs 2.4 GHz). Both are built on the Broadwell (2015−2019) architecture using a 14 nm process. In PassMark, the Core i5-5675C scores 5,693 against the Xeon D-1521's 5,703 — a 0.2% lead for the Xeon D-1521. L3 cache: 4 MB (total) on the Core i5-5675C vs 1.5 MB (per core) on the Xeon D-1521.
| Feature | Core i5-5675C | Xeon D-1521 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 3.6 GHz+33% | 2.7 GHz |
| Base Clock | 3.1 GHz+29% | 2.4 GHz |
| L3 Cache | 4 MB (total)+167% | 1.5 MB (per core) |
| L2 Cache | 1 MB (per core)+300% | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Broadwell (2015−2019) | Broadwell (2015−2019) |
| PassMark | 5,693 | 5,703 |
Memory & Platform
The Core i5-5675C uses the LGA1150 socket (PCIe 3.0), while the Xeon D-1521 uses FCBGA1667 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i5-5675C | Xeon D-1521 |
|---|---|---|
| Socket | LGA1150 | FCBGA1667 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3L-1600 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i5-5675C) / not specified (Xeon D-1521). The Core i5-5675C includes integrated graphics (Iris Pro Graphics 6200), while the Xeon D-1521 requires a dedicated GPU. Primary use case: Core i5-5675C targets Desktop.
| Feature | Core i5-5675C | Xeon D-1521 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Iris Pro Graphics 6200 | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Desktop | — |
Value Analysis
The Core i5-5675C launched at $276 MSRP, while the Xeon D-1521 debuted at $199. At current prices ($66 vs $241), the Core i5-5675C is $175 cheaper. In terms of value (PassMark points per dollar), the Core i5-5675C delivers 86.3 pts/$ vs 23.7 pts/$ for the Xeon D-1521 — making the Core i5-5675C the 113.9% better value option.
| Feature | Core i5-5675C | Xeon D-1521 |
|---|---|---|
| MSRP | $276 | $199-28% |
| Avg Price (30d) | $66-73% | $241 |
| Performance per Dollar | 86.3+264% | 23.7 |
| Release Date | 2015 | 2015 |
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