
Core 2 Duo E7300

Celeron 4305U
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 E7300 is positioned at rank 969 and the Celeron 4305U is on rank 109, so the Celeron 4305U 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 E7300
Performance Per Dollar Celeron 4305U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E7300 | Celeron 4305U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($133) | ✅ More affordable ($107) |
| Longevity | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) | ✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E7300 | Celeron 4305U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+25%) |
| Upfront Cost | ⚠️ Higher cost ($133) | ✅ More affordable ($107) |
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 E7300 and Celeron 4305U

Core 2 Duo E7300
The Core 2 Duo E7300 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 2.66 GHz, with boost up to 2.67 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: 1,555 points. Launch price was $249.

Celeron 4305U
The Celeron 4305U is manufactured by Intel. It was released in 16 April 2019 (6 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 2 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2133, LPDDR3-1866. Passmark benchmark score: 1,562 points. Launch price was $107.
Processing Power
Both the Core 2 Duo E7300 and Celeron 4305U share an identical 2-core/2-thread configuration. Boost clocks reach 2.67 GHz on the Core 2 Duo E7300 versus 2.2 GHz on the Celeron 4305U — a 19.3% clock advantage for the Core 2 Duo E7300 (base: 2.66 GHz vs 2.2 GHz). The Core 2 Duo E7300 uses the Wolfdale (2008−2010) architecture (45 nm), while the Celeron 4305U uses Whiskey Lake-U (2018−2019) (14 nm). In PassMark, the Core 2 Duo E7300 scores 1,555 against the Celeron 4305U's 1,562 — a 0.4% lead for the Celeron 4305U. L3 cache: 0 kB on the Core 2 Duo E7300 vs 2 MB (total) on the Celeron 4305U.
| Feature | Core 2 Duo E7300 | Celeron 4305U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.67 GHz+21% | 2.2 GHz |
| Base Clock | 2.66 GHz+21% | 2.2 GHz |
| L3 Cache | 0 kB | 2 MB (total) |
| L2 Cache | 3 MB (total)+1100% | 256 kB (per core) |
| Process | 45 nm | 14 nm-69% |
| Architecture | Wolfdale (2008−2010) | Whiskey Lake-U (2018−2019) |
| PassMark | 1,555 | 1,562 |
| Geekbench 6 Single | 412 | — |
| Geekbench 6 Multi | 725 | — |
Memory & Platform
The Core 2 Duo E7300 uses the LGA775 socket (PCIe 1.1), while the Celeron 4305U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Core 2 Duo E7300 versus 2133 on the Celeron 4305U — the Celeron 4305U supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 4305U supports up to 64 of RAM compared to 8 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P35,G33,G41,P45 (Core 2 Duo E7300) and Whiskey Lake-U (Celeron 4305U).
| Feature | Core 2 Duo E7300 | Celeron 4305U |
|---|---|---|
| Socket | LGA775 | FCBGA1528 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR2-800 | 2133+106550% |
| Max RAM Capacity | 8 GB+13107100% | 64 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Only the Core 2 Duo E7300 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Core 2 Duo E7300) vs true (Celeron 4305U). The Celeron 4305U includes integrated graphics (Intel UHD Graphics 610), while the Core 2 Duo E7300 requires a dedicated GPU. Primary use case: Core 2 Duo E7300 targets Legacy Desktop, Celeron 4305U targets Budget. Direct competitor: Core 2 Duo E7300 rivals Athlon II X2 245; Celeron 4305U rivals Pentium Gold 5405U.
| Feature | Core 2 Duo E7300 | Celeron 4305U |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel UHD Graphics 610 |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | VT-x | true |
| Target Use | Legacy Desktop | Budget |
Value Analysis
The Core 2 Duo E7300 launched at $133 MSRP, while the Celeron 4305U debuted at $107.
| Feature | Core 2 Duo E7300 | Celeron 4305U |
|---|---|---|
| MSRP | $133 | $107-20% |
| Avg Price (30d) | $133 | — |
| Release Date | 2008 | 2019 |
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