CPU
GPU
Sempron 3850
Core 2 Duo E6400
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 Sempron 3850 is positioned at rank 507 and the Core 2 Duo E6400 is on rank 1059, so the Sempron 3850 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Sempron 3850
Performance Per Dollar Core 2 Duo E6400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron 3850 | Core 2 Duo E6400 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
| Longevity | 🛑 Legacy (Kabini (2013−2014) / 28 nm) | 🛑 Legacy (Conroe (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | Sempron 3850 | Core 2 Duo E6400 |
|---|---|---|
| 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.
Technical Specifications
Side-by-side comparison of Sempron 3850 and Core 2 Duo E6400
Sempron 3850
The Sempron 3850 is manufactured by AMD. It was released in 2007-01-01. It is based on the Kabini (2013−2014) architecture. It features 4 cores and 4 threads. Max frequency: 1.3 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: AM1. Thermal design power (TDP): 25 Watt. Memory support: DDR3-1600. Passmark benchmark score: 1,168 points. Launch price was $69.
Core 2 Duo E6400
The Core 2 Duo E6400 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: 2 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,175 points. Launch price was $249.
Processing Power
The Sempron 3850 packs 4 cores / 4 threads, while the Core 2 Duo E6400 offers 2 cores / 2 threads — the Sempron 3850 has 2 more cores. Boost clocks reach 1.3 GHz on the Sempron 3850 versus 2.13 GHz on the Core 2 Duo E6400 — a 48.4% clock advantage for the Core 2 Duo E6400. The Sempron 3850 uses the Kabini (2013−2014) architecture (28 nm), while the Core 2 Duo E6400 uses Conroe (2006−2007) (65 nm). In PassMark, the Sempron 3850 scores 1,168 against the Core 2 Duo E6400's 1,175 — a 0.6% lead for the Core 2 Duo E6400.
| Feature | Sempron 3850 | Core 2 Duo E6400 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 1.3 GHz | 2.13 GHz+64% |
| Base Clock | — | 2.13 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 2048 kB | 2 MB |
| Process | 28 nm-57% | 65 nm |
| Architecture | Kabini (2013−2014) | Conroe (2006−2007) |
| PassMark | 1,168 | 1,175 |
Memory & Platform
The Sempron 3850 uses the AM1 socket (PCIe 2.0), while the Core 2 Duo E6400 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Sempron 3850 | Core 2 Duo E6400 |
|---|---|---|
| Socket | AM1 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | 1066 |
| Max RAM Capacity | — | 16 |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Sempron 3850) / true (Core 2 Duo E6400). Direct competitor: Core 2 Duo E6400 rivals Athlon 64 X2 5400+.
| Feature | Sempron 3850 | Core 2 Duo E6400 |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
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