CPU
GPU
Core 2 Duo E6420
Turion II Neo K625
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 E6420 is positioned at rank 1054 and the Turion II Neo K625 is on rank 542, so the Turion II Neo K625 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 E6420
Performance Per Dollar Turion II Neo K625
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E6420 | Turion II Neo K625 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Conroe (2006−2007) / 65 nm) | 🛑 Legacy (Geneva (2010) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E6420 | Turion II Neo K625 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ 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 Core 2 Duo E6420 and Turion II Neo K625
Core 2 Duo E6420
The Core 2 Duo E6420 is manufactured by Intel. It was released in 2008-01-01. It is based on the Conroe (2006−2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.13 GHz, with boost up to 2.13 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,235 points. Launch price was $249.
Turion II Neo K625
The Turion II Neo K625 is manufactured by AMD. It was released in 2007-01-01. It is based on the Geneva (2010) architecture. It features 2 cores and 2 threads. Max frequency: 1.5 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,241 points. Launch price was $69.
Processing Power
Both the Core 2 Duo E6420 and Turion II Neo K625 share an identical 2-core/2-thread configuration. Boost clocks reach 2.13 GHz on the Core 2 Duo E6420 versus 1.5 GHz on the Turion II Neo K625 — a 34.7% clock advantage for the Core 2 Duo E6420. The Core 2 Duo E6420 uses the Conroe (2006−2007) architecture (65 nm), while the Turion II Neo K625 uses Geneva (2010) (45 nm). In PassMark, the Core 2 Duo E6420 scores 1,235 against the Turion II Neo K625's 1,241 — a 0.5% lead for the Turion II Neo K625.
| Feature | Core 2 Duo E6420 | Turion II Neo K625 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.13 GHz+42% | 1.5 GHz |
| Base Clock | 2.13 GHz | — |
| L3 Cache | 0 kB | — |
| L2 Cache | 4 MB+300% | 1 MB |
| Process | 65 nm | 45 nm-31% |
| Architecture | Conroe (2006−2007) | Geneva (2010) |
| PassMark | 1,235 | 1,241 |
Memory & Platform
The Core 2 Duo E6420 uses the LGA775 socket (PCIe 1.1), while the Turion II Neo K625 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo E6420 | Turion II Neo K625 |
|---|---|---|
| Socket | LGA775 | S1 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | 1066 | — |
| Max RAM Capacity | 16 | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: true (Core 2 Duo E6420) / not specified (Turion II Neo K625). Direct competitor: Core 2 Duo E6420 rivals Athlon 64 X2 5400+.
| Feature | Core 2 Duo E6420 | Turion II Neo K625 |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core 2 Duo E6420 and Turion II Neo K625
