CPU
GPU
Core 2 Duo E8500
Celeron 5305U
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 E8500 is positioned at rank 427 and the Celeron 5305U is on rank 656, so the Core 2 Duo E8500 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 E8500
Performance Per Dollar Celeron 5305U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E8500 | Celeron 5305U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($26) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E8500 | Celeron 5305U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($26) | ✅ 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.
Technical Specifications
Side-by-side comparison of Core 2 Duo E8500 and Celeron 5305U
Core 2 Duo E8500
The Core 2 Duo E8500 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 3.16 GHz, with boost up to 3.17 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: 1,297 points. Launch price was $249.
Celeron 5305U
The Celeron 5305U is manufactured by Intel. It was released in 2007-01-01. It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 2 threads. Base frequency is 2.3 GHz, with boost up to 2.3 GHz. L3 cache: 2 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2400, LPDDR3-2133. Passmark benchmark score: 1,307 points. Launch price was $69.
Processing Power
Both the Core 2 Duo E8500 and Celeron 5305U share an identical 2-core/2-thread configuration. Boost clocks reach 3.17 GHz on the Core 2 Duo E8500 versus 2.3 GHz on the Celeron 5305U — a 31.8% clock advantage for the Core 2 Duo E8500 (base: 3.16 GHz vs 2.3 GHz). The Core 2 Duo E8500 uses the Wolfdale (2008−2010) architecture (45 nm), while the Celeron 5305U uses Comet Lake-U (2019−2020) (14 nm). In PassMark, the Core 2 Duo E8500 scores 1,297 against the Celeron 5305U's 1,307 — a 0.8% lead for the Celeron 5305U. L3 cache: 0 kB on the Core 2 Duo E8500 vs 2 MB on the Celeron 5305U.
| Feature | Core 2 Duo E8500 | Celeron 5305U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.17 GHz+38% | 2.3 GHz |
| Base Clock | 3.16 GHz+37% | 2.3 GHz |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 6 MB (total) | — |
| Process | 45 nm | 14 nm-69% |
| Architecture | Wolfdale (2008−2010) | Comet Lake-U (2019−2020) |
| PassMark | 1,297 | 1,307 |
| Geekbench 6 Single | — | 480 |
| Geekbench 6 Multi | — | 865 |
Memory & Platform
The Core 2 Duo E8500 uses the LGA775 socket (PCIe 1.1), while the Celeron 5305U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Core 2 Duo E8500 versus DDR4-2400 on the Celeron 5305U — the Core 2 Duo E8500 supports 198.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 5305U supports up to 64 GB of RAM compared to 16 — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core 2 Duo E8500) vs 12 (Celeron 5305U) — the Core 2 Duo E8500 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E8500) and Comet Lake-U (Celeron 5305U).
| Feature | Core 2 Duo E8500 | Celeron 5305U |
|---|---|---|
| Socket | LGA775 | FCBGA1528 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | 1333+33225% | DDR4-2400 |
| Max RAM Capacity | 16 | 64 GB+419430300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16+33% | 12 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Core 2 Duo E8500) vs VT-x, VT-d (Celeron 5305U). The Celeron 5305U includes integrated graphics (UHD Graphics (Comet Lake)), while the Core 2 Duo E8500 requires a dedicated GPU. Primary use case: Celeron 5305U targets Budget. Direct competitor: Core 2 Duo E8500 rivals Phenom II X2 550; Celeron 5305U rivals Pentium Gold 6405U.
| Feature | Core 2 Duo E8500 | Celeron 5305U |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | UHD Graphics (Comet Lake) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
| Target Use | — | Budget |
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