
Core 2 Duo E6400

Celeron G465
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 Celeron G465 is on rank 867, so the Celeron G465 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 Celeron G465
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E6400 | Celeron G465 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($10) | ⚠️ Higher cost ($37) |
| Longevity | 🛑 Legacy (Conroe (2006−2007) / 65 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E6400 | Celeron G465 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+267%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($10) | ⚠️ Higher cost ($37) |
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 E6400 and Celeron G465

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.

Celeron G465
The Celeron G465 is manufactured by Intel. It was released in 1 September 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 1 cores and 2 threads. Base frequency is 1.9 GHz, with boost up to 1.9 GHz. L3 cache: 1.5 MB. L2 cache: 256 kB. Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,185 points. Launch price was $80.
Processing Power
The Core 2 Duo E6400 packs 2 cores / 2 threads, while the Celeron G465 offers 1 cores / 2 threads — the Core 2 Duo E6400 has 1 more core. Boost clocks reach 2.13 GHz on the Core 2 Duo E6400 versus 1.9 GHz on the Celeron G465 — a 11.4% clock advantage for the Core 2 Duo E6400 (base: 2.13 GHz vs 1.9 GHz). The Core 2 Duo E6400 uses the Conroe (2006−2007) architecture (65 nm), while the Celeron G465 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core 2 Duo E6400 scores 1,175 against the Celeron G465's 1,185 — a 0.8% lead for the Celeron G465. L3 cache: 0 kB on the Core 2 Duo E6400 vs 1.5 MB on the Celeron G465.
| Feature | Core 2 Duo E6400 | Celeron G465 |
|---|---|---|
| Cores / Threads | 2 / 2+100% | 1 / 2 |
| Boost Clock | 2.13 GHz+12% | 1.9 GHz |
| Base Clock | 2.13 GHz+12% | 1.9 GHz |
| L3 Cache | 0 kB | 1.5 MB |
| L2 Cache | 2 MB+700% | 256 kB |
| Process | 65 nm | 32 nm-51% |
| Architecture | Conroe (2006−2007) | Sandy Bridge (2011−2013) |
| PassMark | 1,175 | 1,185 |
| Geekbench 6 Single | — | 300 |
Memory & Platform
The Core 2 Duo E6400 uses the LGA775 socket (PCIe 1.1), while the Celeron G465 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Core 2 Duo E6400 versus DDR3-1066 on the Celeron G465 — the Core 2 Duo E6400 supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G465 supports up to 32 GB of RAM compared to 16 — 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 H61,B65,H67,Z68 (Celeron G465).
| Feature | Core 2 Duo E6400 | Celeron G465 |
|---|---|---|
| Socket | LGA775 | LGA1155 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | 1066+35433% | DDR3-1066 |
| Max RAM Capacity | 16 | 32 GB+209715100% |
| 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 (Celeron G465). The Celeron G465 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Core 2 Duo E6400 requires a dedicated GPU. Primary use case: Celeron G465 targets Budget. Direct competitor: Core 2 Duo E6400 rivals Athlon 64 X2 5400+; Celeron G465 rivals Pentium G630.
| Feature | Core 2 Duo E6400 | Celeron G465 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | HD Graphics (Sandy Bridge) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x |
| Target Use | — | Budget |
Value Analysis
The Core 2 Duo E6400 launched at $183 MSRP, while the Celeron G465 debuted at $70. At current prices ($10 vs $37), the Core 2 Duo E6400 is $27 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo E6400 delivers 117.5 pts/$ vs 32.0 pts/$ for the Celeron G465 — making the Core 2 Duo E6400 the 114.3% better value option.
| Feature | Core 2 Duo E6400 | Celeron G465 |
|---|---|---|
| MSRP | $183 | $70-62% |
| Avg Price (30d) | $10-73% | $37 |
| Performance per Dollar | 117.5+267% | 32.0 |
| Release Date | 2006 | 2012 |
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