
Core 2 Duo E6540 vs Celeron 1017U

Core 2 Duo E6540

Celeron 1017U
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 E6540 is positioned at rank 1009 and the Celeron 1017U is on rank 975, so the Celeron 1017U 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 E6540
Performance Per Dollar Celeron 1017U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E6540 | Celeron 1017U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Legacy / 65 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E6540 | Celeron 1017U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 E6540 and Celeron 1017U

Core 2 Duo E6540
The Core 2 Duo E6540 is manufactured by Intel. It was released in 2008-01-01. It has 2 cores. Base frequency: 2.33 GHz. L3 cache: 4 MB L2 Cache. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,495 points. Launch price was $249.

Celeron 1017U
The Celeron 1017U is manufactured by Intel. It was released in 2007-01-01. It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,508 points. Launch price was $69.
Processing Power
Both the Core 2 Duo E6540 and Celeron 1017U share an identical 2-core/2-thread configuration. The Celeron 1017U is built on the Ivy Bridge (2012−2013) architecture. In PassMark, the Core 2 Duo E6540 scores 1,495 against the Celeron 1017U's 1,508 — a 0.9% lead for the Celeron 1017U. L3 cache: 4 MB L2 Cache on the Core 2 Duo E6540 vs 2 MB on the Celeron 1017U.
| Feature | Core 2 Duo E6540 | Celeron 1017U |
|---|---|---|
| Cores / Threads | 2 | 2 / 2 |
| Boost Clock | — | 1.6 GHz |
| Base Clock | 2.33 GHz+46% | 1.6 GHz |
| L3 Cache | 4 MB L2 Cache+100% | 2 MB |
| L2 Cache | — | 512 kB |
| Process | 65 nm | 22 nm-66% |
| Architecture | — | Ivy Bridge (2012−2013) |
| PassMark | 1,495 | 1,508 |
Memory & Platform
The Core 2 Duo E6540 uses the LGA775 socket (PCIe 1.1), while the Celeron 1017U uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Core 2 Duo E6540 versus DDR3-1600 on the Celeron 1017U — the Core 2 Duo E6540 supports 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 1017U 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 E6540) and Intel FCBGA1023 (Celeron 1017U).
| Feature | Core 2 Duo E6540 | Celeron 1017U |
|---|---|---|
| Socket | LGA775 | BGA1023 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | 1333+44333% | DDR3-1600 |
| Max RAM Capacity | 16 | 32 GB+209715100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Virtualization: true (Core 2 Duo E6540) / not specified (Celeron 1017U). The Celeron 1017U includes integrated graphics (Intel HD Graphics (Ivy Bridge)), while the Core 2 Duo E6540 requires a dedicated GPU. Direct competitor: Core 2 Duo E6540 rivals Athlon 64 X2 6000+.
| Feature | Core 2 Duo E6540 | Celeron 1017U |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel HD Graphics (Ivy Bridge) |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
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