CPU
GPU
Core 2 Duo E6400
Core i5-430UM
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 E6400 is positioned at rank 1059 and the Core i5-430UM is on rank 934, so the Core i5-430UM 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 E6400
Performance Per Dollar Core i5-430UM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E6400 | Core i5-430UM |
|---|---|---|
| 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 (Arrandale (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E6400 | Core i5-430UM |
|---|---|---|
| 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.
Path of Exile 2
Counter-Strike 2
Valorant
Technical Specifications
Side-by-side comparison of Core 2 Duo E6400 and Core i5-430UM
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.
Core i5-430UM
The Core i5-430UM is manufactured by Intel. It was released in 20 June 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.2 GHz, with boost up to 1.73 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,185 points. Launch price was $69.
Processing Power
The Core 2 Duo E6400 packs 2 cores / 2 threads, matching the Core i5-430UM's 2 cores. Boost clocks reach 2.13 GHz on the Core 2 Duo E6400 versus 1.73 GHz on the Core i5-430UM — a 20.7% clock advantage for the Core 2 Duo E6400 (base: 2.13 GHz vs 1.2 GHz). The Core 2 Duo E6400 uses the Conroe (2006−2007) architecture (65 nm), while the Core i5-430UM uses Arrandale (2010−2011) (32 nm). In PassMark, the Core 2 Duo E6400 scores 1,175 against the Core i5-430UM's 1,185 — a 0.8% lead for the Core i5-430UM. L3 cache: 0 kB on the Core 2 Duo E6400 vs 3 MB on the Core i5-430UM.
| Feature | Core 2 Duo E6400 | Core i5-430UM |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 2.13 GHz+23% | 1.73 GHz |
| Base Clock | 2.13 GHz+78% | 1.2 GHz |
| L3 Cache | 0 kB | 3 MB |
| L2 Cache | 2 MB+300% | 512 kB |
| Process | 65 nm | 32 nm-51% |
| Architecture | Conroe (2006−2007) | Arrandale (2010−2011) |
| PassMark | 1,175 | 1,185 |
| Geekbench 6 Single | — | 250 |
| Geekbench 6 Multi | — | 500 |
Memory & Platform
The Core 2 Duo E6400 uses the LGA775 socket (PCIe 1.1), while the Core i5-430UM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Core 2 Duo E6400 versus DDR3-800 on the Core i5-430UM — the Core 2 Duo E6400 supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core 2 Duo E6400 supports up to 16 of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E6400) and HM55 (Core i5-430UM).
| Feature | Core 2 Duo E6400 | Core i5-430UM |
|---|---|---|
| Socket | LGA775 | BGA1288 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | 1066+35433% | DDR3-800 |
| Max RAM Capacity | 16 | 8 GB+52428700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Core 2 Duo E6400) vs VT-x, VT-d (Core i5-430UM). The Core i5-430UM includes integrated graphics (Intel HD Graphics), while the Core 2 Duo E6400 requires a dedicated GPU. Primary use case: Core i5-430UM targets Legacy Ultrabook. Direct competitor: Core 2 Duo E6400 rivals Athlon 64 X2 5400+; Core i5-430UM rivals Pentium SU7300.
| Feature | Core 2 Duo E6400 | Core i5-430UM |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel HD Graphics |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
| Target Use | — | Legacy Ultrabook |
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