CPU
GPU
Xeon E5-2603
Core 2 Duo T8100
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 E5-2603 is positioned at rank 825 and the Core 2 Duo T8100 is on rank 38, so the Core 2 Duo T8100 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-2603
Performance Per Dollar Core 2 Duo T8100
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2603 | Core 2 Duo T8100 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
| Longevity | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Xeon E5-2603 | Core 2 Duo T8100 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
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.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Technical Specifications
Side-by-side comparison of Xeon E5-2603 and Core 2 Duo T8100
Xeon E5-2603
The Xeon E5-2603 is manufactured by Intel. It was released in 6 March 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 4 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 10240 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,325 points. Launch price was $207.
Core 2 Duo T8100
The Core 2 Duo T8100 is manufactured by Intel. It was released in 10 January 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,320 points. Launch price was $209.
Processing Power
The Xeon E5-2603 packs 4 cores / 4 threads, while the Core 2 Duo T8100 offers 2 cores / 2 threads — the Xeon E5-2603 has 2 more cores. Boost clocks reach 1.8 GHz on the Xeon E5-2603 versus 2.1 GHz on the Core 2 Duo T8100 — a 15.4% clock advantage for the Core 2 Duo T8100 (base: 1.8 GHz vs 2.1 GHz). The Xeon E5-2603 uses the Sandy Bridge-EP (2012) architecture (32 nm), while the Core 2 Duo T8100 uses Penryn (2008−2011) (45 nm). In PassMark, the Xeon E5-2603 scores 2,325 against the Core 2 Duo T8100's 2,320 — a 0.2% lead for the Xeon E5-2603. L3 cache: 10240 kB (total) on the Xeon E5-2603 vs 3 MB L2 Cache on the Core 2 Duo T8100.
| Feature | Xeon E5-2603 | Core 2 Duo T8100 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 1.8 GHz | 2.1 GHz+17% |
| Base Clock | 1.8 GHz | 2.1 GHz+17% |
| L3 Cache | 10240 kB (total)+233% | 3 MB L2 Cache |
| L2 Cache | 256 kB (per core) | 3 MB+1100% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Sandy Bridge-EP (2012) | Penryn (2008−2011) |
| PassMark | 2,325 | 2,320 |
| Geekbench 6 Single | — | 380 |
| Geekbench 6 Multi | — | 700 |
Memory & Platform
The Xeon E5-2603 uses the LGA2011 socket (PCIe 2.0), while the Core 2 Duo T8100 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Xeon E5-2603 | Core 2 Duo T8100 |
|---|---|---|
| Socket | LGA2011 | 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 | — | 0 |
Advanced Features
Virtualization: not specified (Xeon E5-2603) / VT-x (Core 2 Duo T8100). Primary use case: Core 2 Duo T8100 targets Legacy Laptop. Direct competitor: Core 2 Duo T8100 rivals Core 2 Duo T7250.
| Feature | Xeon E5-2603 | Core 2 Duo T8100 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Legacy Laptop |
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