
Xeon X3450

Core i7-3520M
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 X3450 is positioned at rank 813 and the Core i7-3520M is on rank 1127, so the Xeon X3450 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X3450
Performance Per Dollar Core i7-3520M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X3450 | Core i7-3520M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($39) | ⚠️ Higher cost ($346) |
| Longevity | 🛑 Legacy (Lynnfield (2009−2010) / 45 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Xeon X3450 | Core i7-3520M |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+798%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($39) | ⚠️ Higher cost ($346) |
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 X3450 and Core i7-3520M

Xeon X3450
The Xeon X3450 is manufactured by Intel. It was released in 8 September 2009 (16 years ago). It is based on the Lynnfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.66 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1156. Thermal design power (TDP): 95 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333. Passmark benchmark score: 2,877 points. Launch price was $241.

Core i7-3520M
The Core i7-3520M is manufactured by Intel. It was released in 3 June 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,842 points. Launch price was $346.
Processing Power
The Xeon X3450 packs 4 cores / 8 threads, while the Core i7-3520M offers 2 cores / 4 threads — the Xeon X3450 has 2 more cores. Boost clocks reach 3.2 GHz on the Xeon X3450 versus 3.6 GHz on the Core i7-3520M — a 11.8% clock advantage for the Core i7-3520M (base: 2.66 GHz vs 2.9 GHz). The Xeon X3450 uses the Lynnfield (2009−2010) architecture (45 nm), while the Core i7-3520M uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Xeon X3450 scores 2,877 against the Core i7-3520M's 2,842 — a 1.2% lead for the Xeon X3450. L3 cache: 8 MB (total) on the Xeon X3450 vs 4 MB (total) on the Core i7-3520M.
| Feature | Xeon X3450 | Core i7-3520M |
|---|---|---|
| Cores / Threads | 4 / 8+100% | 2 / 4 |
| Boost Clock | 3.2 GHz | 3.6 GHz+12% |
| Base Clock | 2.66 GHz | 2.9 GHz+9% |
| L3 Cache | 8 MB (total)+100% | 4 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 45 nm | 22 nm-51% |
| Architecture | Lynnfield (2009−2010) | Ivy Bridge (2012−2013) |
| PassMark | 2,877+1% | 2,842 |
Memory & Platform
The Xeon X3450 uses the LGA1156 socket (PCIe 2.0), while the Core i7-3520M uses PGA988 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon X3450 | Core i7-3520M |
|---|---|---|
| Socket | LGA1156 | PGA988 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | 1600 |
| Max RAM Capacity | — | 32 |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon X3450) / true (Core i7-3520M). The Core i7-3520M includes integrated graphics (Intel HD Graphics 4000), while the Xeon X3450 requires a dedicated GPU. Direct competitor: Core i7-3520M rivals AMD A10-5750M.
| Feature | Xeon X3450 | Core i7-3520M |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics 4000 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
Value Analysis
The Xeon X3450 launched at $241 MSRP, while the Core i7-3520M debuted at $346.
| Feature | Xeon X3450 | Core i7-3520M |
|---|---|---|
| MSRP | $241-30% | $346 |
| Avg Price (30d) | $39 | — |
| Release Date | 2009 | 2012 |
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