CPU
GPU
Core 2 Duo T7800
Xeon E5-2403 v2
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 2 Duo T7800 is positioned at rank 156 and the Xeon E5-2403 v2 is on rank 747, so the Core 2 Duo T7800 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core 2 Duo T7800
Performance Per Dollar Xeon E5-2403 v2
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T7800 | Xeon E5-2403 v2 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($61) |
| Longevity | 🛑 Legacy (Merom (2006−2008) / 65 nm) | 🛑 Legacy (Ivy Bridge-EN (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T7800 | Xeon E5-2403 v2 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($61) |
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 2 Duo T7800 and Xeon E5-2403 v2
Core 2 Duo T7800
The Core 2 Duo T7800 is manufactured by Intel. It was released in 18 August 2007 (18 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,663 points. Launch price was $515.
Xeon E5-2403 v2
The Xeon E5-2403 v2 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge-EN (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 10 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1356. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,672 points. Launch price was $223.
Processing Power
The Core 2 Duo T7800 packs 2 cores / 2 threads, while the Xeon E5-2403 v2 offers 4 cores / 4 threads — the Xeon E5-2403 v2 has 2 more cores. Boost clocks reach 2.6 GHz on the Core 2 Duo T7800 versus 1.8 GHz on the Xeon E5-2403 v2 — a 36.4% clock advantage for the Core 2 Duo T7800 (base: 2.6 GHz vs 1.8 GHz). The Core 2 Duo T7800 uses the Merom (2006−2008) architecture (65 nm), while the Xeon E5-2403 v2 uses Ivy Bridge-EN (2013−2014) (22 nm). In PassMark, the Core 2 Duo T7800 scores 2,663 against the Xeon E5-2403 v2's 2,672 — a 0.3% lead for the Xeon E5-2403 v2. L3 cache: 0 kB on the Core 2 Duo T7800 vs 10 MB (total) on the Xeon E5-2403 v2.
| Feature | Core 2 Duo T7800 | Xeon E5-2403 v2 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.6 GHz+44% | 1.8 GHz |
| Base Clock | 2.6 GHz+44% | 1.8 GHz |
| L3 Cache | 0 kB | 10 MB (total) |
| L2 Cache | 4 MB+1500% | 256 kB (per core) |
| Process | 65 nm | 22 nm-66% |
| Architecture | Merom (2006−2008) | Ivy Bridge-EN (2013−2014) |
| PassMark | 2,663 | 2,672 |
Memory & Platform
The Core 2 Duo T7800 uses the PGA478 socket (PCIe 1.1), while the Xeon E5-2403 v2 uses LGA1356 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core 2 Duo T7800 versus DDR3-1333 on the Xeon E5-2403 v2 — the Xeon E5-2403 v2 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Core 2 Duo T7800) vs 3 (Xeon E5-2403 v2).
| Feature | Core 2 Duo T7800 | Xeon E5-2403 v2 |
|---|---|---|
| Socket | PGA478 | LGA1356 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR2-667 | DDR3-1333+50% |
| Max RAM Capacity | — | 384 GB |
| RAM Channels | 2 | 3+50% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | — | 24 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Core 2 Duo T7800) vs VT-x, VT-d (Xeon E5-2403 v2). Primary use case: Core 2 Duo T7800 targets Budget, Xeon E5-2403 v2 targets Server. Direct competitor: Core 2 Duo T7800 rivals Athlon Silver 3050U.
| Feature | Core 2 Duo T7800 | Xeon E5-2403 v2 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d |
| Target Use | Budget | Server |
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