Core Duo T2500 vs A6 PRO-7400B
Core Duo T2500
A6 PRO-7400B
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 Duo T2500 is positioned at rank 943 and the A6 PRO-7400B is on rank 559, so the A6 PRO-7400B offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core Duo T2500
Performance Per Dollar A6 PRO-7400B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Duo T2500 | A6 PRO-7400B |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Yonah (2005−2006) / 65 nm) | 🛑 Legacy (Kaveri (2014−2015) / 28 nm) |
💎 Value Proposition
| Insight | Core Duo T2500 | A6 PRO-7400B |
|---|---|---|
| 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 Core Duo T2500 and A6 PRO-7400B
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.
A6 PRO-7400B
The A6 PRO-7400B is manufactured by AMD. It was released in 31 July 2014 (11 years ago). It is based on the Kaveri (2014−2015) architecture. It features 2 cores and 2 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L2 cache: 1024 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,640 points. Launch price was $69.
Processing Power
Both the Core Duo T2500 and A6 PRO-7400B share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Core Duo T2500 versus 3.9 GHz on the A6 PRO-7400B — a 64.4% clock advantage for the A6 PRO-7400B (base: 2 GHz vs 3.5 GHz). The Core Duo T2500 uses the Yonah (2005−2006) architecture (65 nm), while the A6 PRO-7400B uses Kaveri (2014−2015) (28 nm). In PassMark, the Core Duo T2500 scores 1,621 against the A6 PRO-7400B's 1,640 — a 1.2% lead for the A6 PRO-7400B.
| Feature | Core Duo T2500 | A6 PRO-7400B |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2 GHz | 3.9 GHz+95% |
| Base Clock | 2 GHz | 3.5 GHz+75% |
| L3 Cache | 0 kB | — |
| L2 Cache | 2 MB+100% | 1024 kB |
| Process | 65 nm | 28 nm-57% |
| Architecture | Yonah (2005−2006) | Kaveri (2014−2015) |
| PassMark | 1,621 | 1,640+1% |
Memory & Platform
The Core Duo T2500 uses the PGA478 socket (PCIe 1.1), while the A6 PRO-7400B uses FM2+ (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core Duo T2500 versus DDR3-1866 on the A6 PRO-7400B — the A6 PRO-7400B supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A6 PRO-7400B supports up to 64 GB of RAM compared to 4 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core Duo T2500) vs 16 (A6 PRO-7400B) — the A6 PRO-7400B offers 16 more lanes for additional GPUs or NVMe drives.
| Feature | Core Duo T2500 | A6 PRO-7400B |
|---|---|---|
| Socket | PGA478 | FM2+ |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR2-667 | DDR3-1866+50% |
| Max RAM Capacity | 4 GB | 64 GB+1500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: VT-x (Core Duo T2500) / not specified (A6 PRO-7400B). The A6 PRO-7400B includes integrated graphics (AMD Radeon R5), while the Core Duo T2500 requires a dedicated GPU. Primary use case: Core Duo T2500 targets Mobile.
| Feature | Core Duo T2500 | A6 PRO-7400B |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | AMD Radeon R5 |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Mobile | — |
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