
Core 2 Duo E8135

Atom x5-Z8330
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 E8135 is positioned at rank 1203 and the Atom x5-Z8330 is on rank 778, so the Atom x5-Z8330 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 E8135
Performance Per Dollar Atom x5-Z8330
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E8135 | Atom x5-Z8330 |
|---|---|---|
| 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 (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Airmont (2016) / 14 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E8135 | Atom x5-Z8330 |
|---|---|---|
| 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 E8135 and Atom x5-Z8330

Core 2 Duo E8135
The Core 2 Duo E8135 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.667 GHz, with boost up to 0.67 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,020 points. Launch price was $249.

Atom x5-Z8330
The Atom x5-Z8330 is manufactured by Intel. It was released in 8 February 2016 (9 years ago). It is based on the Airmont (2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.44 GHz, with boost up to 1.92 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Memory support: DDR3L-RS 1600. Passmark benchmark score: 1,025 points. Launch price was $69.
Processing Power
The Core 2 Duo E8135 packs 2 cores / 2 threads, while the Atom x5-Z8330 offers 4 cores / 4 threads — the Atom x5-Z8330 has 2 more cores. Boost clocks reach 0.67 GHz on the Core 2 Duo E8135 versus 1.92 GHz on the Atom x5-Z8330 — a 96.5% clock advantage for the Atom x5-Z8330 (base: 2.667 GHz vs 1.44 GHz). The Core 2 Duo E8135 uses the Penryn (2008−2011) architecture (45 nm), while the Atom x5-Z8330 uses Airmont (2016) (14 nm). In PassMark, the Core 2 Duo E8135 scores 1,020 against the Atom x5-Z8330's 1,025 — a 0.5% lead for the Atom x5-Z8330.
| Feature | Core 2 Duo E8135 | Atom x5-Z8330 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 0.67 GHz | 1.92 GHz+187% |
| Base Clock | 2.667 GHz+85% | 1.44 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 6 MB (total)+200% | 2 MB |
| Process | 45 nm | 14 nm-69% |
| Architecture | Penryn (2008−2011) | Airmont (2016) |
| PassMark | 1,020 | 1,025 |
Advanced Features
The Atom x5-Z8330 includes integrated graphics (Intel HD Graphics (Cherry Trail)), while the Core 2 Duo E8135 requires a dedicated GPU.
| Feature | Core 2 Duo E8135 | Atom x5-Z8330 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics (Cherry Trail) |
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