CPU
GPU
Athlon X2 QL-64
Core Duo T2500
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 Athlon X2 QL-64 is positioned at rank 665 and the Core Duo T2500 is on rank 943, so the Athlon X2 QL-64 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon X2 QL-64
Performance Per Dollar Core Duo T2500
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon X2 QL-64 | Core Duo T2500 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Lion (2008−2009) / 65 nm) | 🛑 Legacy (Yonah (2005−2006) / 65 nm) |
💎 Value Proposition
| Insight | Athlon X2 QL-64 | Core Duo T2500 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
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 Athlon X2 QL-64 and Core Duo T2500
Athlon X2 QL-64
The Athlon X2 QL-64 is manufactured by AMD. It was released in 2009-01-01. It is based on the Lion (2008−2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.1 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 65 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,614 points. Launch price was $149.
Core Duo T2500
The Core Duo T2500 is manufactured by Intel. It was released in Janeiro 2006 (19 years ago). It is based on the Yonah (2005−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 31 Watt. Memory support: DDR1. Passmark benchmark score: 1,621 points. Launch price was $120.
Processing Power
Both the Athlon X2 QL-64 and Core Duo T2500 share an identical 2-core/2-thread configuration. Boost clocks reach 2.1 GHz on the Athlon X2 QL-64 versus 2 GHz on the Core Duo T2500 — a 4.9% clock advantage for the Athlon X2 QL-64. The Athlon X2 QL-64 uses the Lion (2008−2009) architecture (65 nm), while the Core Duo T2500 uses Yonah (2005−2006) (65 nm). In PassMark, the Athlon X2 QL-64 scores 1,614 against the Core Duo T2500's 1,621 — a 0.4% lead for the Core Duo T2500. Both processors carry 0 kB of L3 cache.
| Feature | Athlon X2 QL-64 | Core Duo T2500 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.1 GHz+5% | 2 GHz |
| Base Clock | — | 2 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB | 2 MB+100% |
| Process | 65 nm | 65 nm |
| Architecture | Lion (2008−2009) | Yonah (2005−2006) |
| PassMark | 1,614 | 1,621 |
Memory & Platform
The Athlon X2 QL-64 uses the S1 socket (PCIe 2.0), while the Core Duo T2500 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Both support up to DDR2-667 memory speed. The Athlon X2 QL-64 supports up to 8 GB of RAM compared to 4 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes.
| Feature | Athlon X2 QL-64 | Core Duo T2500 |
|---|---|---|
| Socket | S1 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR2-667 | DDR2-667 |
| Max RAM Capacity | 8 GB+100% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (Athlon X2 QL-64) vs VT-x (Core Duo T2500). Primary use case: Core Duo T2500 targets Mobile.
| Feature | Athlon X2 QL-64 | Core Duo T2500 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x |
| Target Use | — | Mobile |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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