Core 2 Duo E7400 vs Core 2 Duo E8300
Core 2 Duo E7400
Core 2 Duo E8300
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 E7400 is positioned at rank 544 and the Core 2 Duo E8300 is on rank 1060, so the Core 2 Duo E7400 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 E7400
Performance Per Dollar Core 2 Duo E8300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E7400 | Core 2 Duo E8300 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E7400 | Core 2 Duo E8300 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($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 E7400 and Core 2 Duo E8300
Core 2 Duo E7400
The Core 2 Duo E7400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 3 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,043 points. Launch price was $249.
Core 2 Duo E8300
The Core 2 Duo E8300 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.83 GHz, with boost up to 2.83 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,039 points. Launch price was $249.
Processing Power
Both the Core 2 Duo E7400 and Core 2 Duo E8300 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Core 2 Duo E7400 versus 2.83 GHz on the Core 2 Duo E8300 — a 1.1% clock advantage for the Core 2 Duo E8300 (base: 2.8 GHz vs 2.83 GHz). Both are built on the Wolfdale (2008−2010) architecture using a 45 nm process. In PassMark, the Core 2 Duo E7400 scores 1,043 against the Core 2 Duo E8300's 1,039 — a 0.4% lead for the Core 2 Duo E7400. Both processors carry 0 kB of L3 cache.
| Feature | Core 2 Duo E7400 | Core 2 Duo E8300 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz | 2.83 GHz+1% |
| Base Clock | 2.8 GHz | 2.83 GHz+1% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 3 MB (total) | 6 MB (total)+100% |
| Process | 45 nm | 45 nm |
| Architecture | Wolfdale (2008−2010) | Wolfdale (2008−2010) |
| PassMark | 1,043 | 1,039 |
| Cinebench R23 Multi | — | 1,000 |
| Geekbench 6 Single | — | 345 |
| Geekbench 6 Multi | — | 771 |
Memory & Platform
Both processors use the LGA775 socket with PCIe 1.1. Maximum memory speed reaches 1066 on the Core 2 Duo E7400 versus DDR3-1333 on the Core 2 Duo E8300 — the Core 2 Duo E7400 supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E7400) and P35,P45,G33,G31 (Core 2 Duo E8300).
| Feature | Core 2 Duo E7400 | Core 2 Duo E8300 |
|---|---|---|
| Socket | LGA775 | LGA775 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | 1066+35433% | DDR3-1333 |
| Max RAM Capacity | 16 | 16 GB+104857500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Core 2 Duo E7400) vs VT-x (Core 2 Duo E8300). Primary use case: Core 2 Duo E8300 targets Budget. Direct competitor: Core 2 Duo E7400 rivals Athlon II X2 245.
| Feature | Core 2 Duo E7400 | Core 2 Duo E8300 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x |
| Target Use | — | Budget |
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