Xeon E5345 vs Core 2 Duo T7400
Xeon E5345
Core 2 Duo T7400
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 E5345 is positioned at rank 887 and the Core 2 Duo T7400 is on rank 1027, so the Xeon E5345 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5345
Performance Per Dollar Core 2 Duo T7400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5345 | Core 2 Duo T7400 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) | 🛑 Legacy (Merom (2006−2008) / 65 nm) |
💎 Value Proposition
| Insight | Xeon E5345 | Core 2 Duo T7400 |
|---|---|---|
| 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 E5345 and Core 2 Duo T7400
Xeon E5345
The Xeon E5345 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.33 GHz, with boost up to 0.33 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,868 points. Launch price was $851.
Core 2 Duo T7400
The Core 2 Duo T7400 is manufactured by Intel. It was released in 28 August 2006 (19 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2.16 GHz, with boost up to 2.16 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 34 Watt. Passmark benchmark score: 1,861 points. Launch price was $286.
Processing Power
The Xeon E5345 packs 4 cores / 4 threads, while the Core 2 Duo T7400 offers 2 cores / 2 threads — the Xeon E5345 has 2 more cores. Boost clocks reach 0.33 GHz on the Xeon E5345 versus 2.16 GHz on the Core 2 Duo T7400 — a 147% clock advantage for the Core 2 Duo T7400 (base: 2.33 GHz vs 2.16 GHz). The Xeon E5345 uses the Clovertown (2006−2007) architecture (65 nm), while the Core 2 Duo T7400 uses Merom (2006−2008) (65 nm). In PassMark, the Xeon E5345 scores 1,868 against the Core 2 Duo T7400's 1,861 — a 0.4% lead for the Xeon E5345. L3 cache: 8 MB L2 Cache on the Xeon E5345 vs 0 kB on the Core 2 Duo T7400.
| Feature | Xeon E5345 | Core 2 Duo T7400 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 0.33 GHz | 2.16 GHz+555% |
| Base Clock | 2.33 GHz+8% | 2.16 GHz |
| L3 Cache | 8 MB L2 Cache | 0 kB |
| L2 Cache | 4 MB (total) | 4 MB |
| Process | 65 nm | 65 nm |
| Architecture | Clovertown (2006−2007) | Merom (2006−2008) |
| PassMark | 1,868 | 1,861 |
| Geekbench 6 Single | — | 310 |
| Geekbench 6 Multi | — | 550 |
Memory & Platform
The Xeon E5345 uses the LGA771 socket (PCIe 2.0), while the Core 2 Duo T7400 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Xeon E5345 | Core 2 Duo T7400 |
|---|---|---|
| Socket | LGA771 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | DDR2-667 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon E5345) / VT-x (Core 2 Duo T7400). Primary use case: Core 2 Duo T7400 targets Legacy Laptop.
| Feature | Xeon E5345 | Core 2 Duo T7400 |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Legacy Laptop |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Xeon E5345 and Core 2 Duo T7400
