Core 2 Duo E8435 vs Core 2 Duo E4400
Core 2 Duo E8435
Core 2 Duo E4400
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 E8435 is positioned at rank 1152 and the Core 2 Duo E4400 is on rank 1001, so the Core 2 Duo E4400 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 E8435
Performance Per Dollar Core 2 Duo E4400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E8435 | Core 2 Duo E4400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($74) | ✅ More affordable ($20) |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Allendale (2006−2009) / 65 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E8435 | Core 2 Duo E4400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+267%) |
| Upfront Cost | ⚠️ Higher cost ($74) | ✅ More affordable ($20) |
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 E8435 and Core 2 Duo E4400
Core 2 Duo E8435
The Core 2 Duo E8435 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 3.067 GHz, with boost up to 0.07 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,104 points. Launch price was $249.
Core 2 Duo E4400
The Core 2 Duo E4400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Allendale (2006−2009) 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: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,095 points. Launch price was $249.
Processing Power
Both the Core 2 Duo E8435 and Core 2 Duo E4400 share an identical 2-core/2-thread configuration. Boost clocks reach 0.07 GHz on the Core 2 Duo E8435 versus 2 GHz on the Core 2 Duo E4400 — a 186.5% clock advantage for the Core 2 Duo E4400 (base: 3.067 GHz vs 2 GHz). The Core 2 Duo E8435 uses the Penryn (2008−2011) architecture (45 nm), while the Core 2 Duo E4400 uses Allendale (2006−2009) (65 nm). In PassMark, the Core 2 Duo E8435 scores 1,104 against the Core 2 Duo E4400's 1,095 — a 0.8% lead for the Core 2 Duo E8435. Geekbench 6 single-core — the metric most relevant to gaming — records 257 vs 208, a 21.1% lead for the Core 2 Duo E8435 that directly translates to higher frame rates.
| Feature | Core 2 Duo E8435 | Core 2 Duo E4400 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 0.07 GHz | 2 GHz+2757% |
| Base Clock | 3.067 GHz+53% | 2 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 6 MB (total)+200% | 2 MB |
| Process | 45 nm-31% | 65 nm |
| Architecture | Penryn (2008−2011) | Allendale (2006−2009) |
| PassMark | 1,104 | 1,095 |
| Geekbench 6 Single | 257+24% | 208 |
Memory & Platform
The Core 2 Duo E8435 uses the P socket (PCIe 1.1), while the Core 2 Duo E4400 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core 2 Duo E8435 versus DDR2-1066 on the Core 2 Duo E4400 — the Core 2 Duo E8435 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: Socket P (Core 2 Duo E8435) and RS600,Q965 (Core 2 Duo E4400).
| Feature | Core 2 Duo E8435 | Core 2 Duo E4400 |
|---|---|---|
| Socket | P | LGA775 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | DDR3-1333+50% | DDR2-1066 |
| Max RAM Capacity | 16 GB | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core 2 Duo E8435) vs None (Core 2 Duo E4400). Primary use case: Core 2 Duo E4400 targets Budget. Direct competitor: Core 2 Duo E4400 rivals Athlon II X2 240.
| Feature | Core 2 Duo E8435 | Core 2 Duo E4400 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | None |
| Target Use | — | Budget |
Value Analysis
The Core 2 Duo E8435 launched at $150 MSRP, while the Core 2 Duo E4400 debuted at $113. At current prices ($74 vs $20), the Core 2 Duo E4400 is $54 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo E8435 delivers 14.9 pts/$ vs 54.8 pts/$ for the Core 2 Duo E4400 — making the Core 2 Duo E4400 the 114.3% better value option.
| Feature | Core 2 Duo E8435 | Core 2 Duo E4400 |
|---|---|---|
| MSRP | $150 | $113-25% |
| Avg Price (30d) | $74 | $20-73% |
| Performance per Dollar | 14.9 | 54.8+268% |
| Release Date | 2009 | 2007 |
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