Celeron 3855U vs Pentium E6700
Celeron 3855U
Pentium E6700
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 Celeron 3855U is positioned at rank 193 and the Pentium E6700 is on rank 915, so the Celeron 3855U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 3855U
Performance Per Dollar Pentium E6700
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3855U | Pentium E6700 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Celeron 3855U | Pentium E6700 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
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 Celeron 3855U and Pentium E6700
Celeron 3855U
The Celeron 3855U is manufactured by Intel. It was released in 15 August 2015 (10 years ago). It is based on the Skylake (2015−2016) 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 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600. Passmark benchmark score: 1,215 points. Launch price was $107.
Pentium E6700
The Pentium E6700 is manufactured by Intel. It was released in 30 May 2010 (15 years ago). It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,219 points. Launch price was $80.
Processing Power
Both the Celeron 3855U and Pentium E6700 share an identical 2-core/2-thread configuration. Boost clocks reach 1.6 GHz on the Celeron 3855U versus 3.2 GHz on the Pentium E6700 — a 66.7% clock advantage for the Pentium E6700 (base: 1.6 GHz vs 3.2 GHz). The Celeron 3855U uses the Skylake (2015−2016) architecture (14 nm), while the Pentium E6700 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Celeron 3855U scores 1,215 against the Pentium E6700's 1,219 — a 0.3% lead for the Pentium E6700. L3 cache: 2 MB on the Celeron 3855U vs 0 kB on the Pentium E6700.
| Feature | Celeron 3855U | Pentium E6700 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.6 GHz | 3.2 GHz+100% |
| Base Clock | 1.6 GHz | 3.2 GHz+100% |
| L3 Cache | 2 MB | 0 kB |
| L2 Cache | 512 kB | 2 MB (total)+300% |
| Process | 14 nm-69% | 45 nm |
| Architecture | Skylake (2015−2016) | Wolfdale (2008−2010) |
| PassMark | 1,215 | 1,219 |
| Geekbench 6 Single | 361 | — |
| Geekbench 6 Multi | 632 | — |
Memory & Platform
The Celeron 3855U uses the BGA1356 socket (PCIe 3.0), while the Pentium E6700 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4 2133 MHz on the Celeron 3855U versus DDR3-1066 on the Pentium E6700 — the Celeron 3855U supports 200% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 3855U supports up to 32 GB of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 10 (Celeron 3855U) vs 0 (Pentium E6700) — the Celeron 3855U offers 10 more lanes for additional GPUs or NVMe drives.
| Feature | Celeron 3855U | Pentium E6700 |
|---|---|---|
| Socket | BGA1356 | LGA775 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR4 2133 MHz+33% | DDR3-1066 |
| Max RAM Capacity | 32 GB+300% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 10 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Celeron 3855U) vs VT-x (Pentium E6700). The Celeron 3855U includes integrated graphics (Intel HD Graphics 510), while the Pentium E6700 requires a dedicated GPU. Primary use case: Celeron 3855U targets Budget, Pentium E6700 targets Desktop. Direct competitor: Celeron 3855U rivals Pentium 3825U.
| Feature | Celeron 3855U | Pentium E6700 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics 510 | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x |
| Target Use | Budget | Desktop |
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