CPU
GPU
Pentium E6700
Celeron 3855U
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 Pentium E6700 is positioned at rank 915 and the Celeron 3855U is on rank 193, 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 Pentium E6700
Performance Per Dollar Celeron 3855U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium E6700 | Celeron 3855U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($5) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Pentium E6700 | Celeron 3855U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($5) | ✅ 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 Pentium E6700 and Celeron 3855U
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.
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.
Processing Power
Both the Pentium E6700 and Celeron 3855U share an identical 2-core/2-thread configuration. Boost clocks reach 3.2 GHz on the Pentium E6700 versus 1.6 GHz on the Celeron 3855U — a 66.7% clock advantage for the Pentium E6700 (base: 3.2 GHz vs 1.6 GHz). The Pentium E6700 uses the Wolfdale (2008−2010) architecture (45 nm), while the Celeron 3855U uses Skylake (2015−2016) (14 nm). In PassMark, the Pentium E6700 scores 1,219 against the Celeron 3855U's 1,215 — a 0.3% lead for the Pentium E6700. L3 cache: 0 kB on the Pentium E6700 vs 2 MB on the Celeron 3855U.
| Feature | Pentium E6700 | Celeron 3855U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.2 GHz+100% | 1.6 GHz |
| Base Clock | 3.2 GHz+100% | 1.6 GHz |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 2 MB (total)+300% | 512 kB |
| Process | 45 nm | 14 nm-69% |
| Architecture | Wolfdale (2008−2010) | Skylake (2015−2016) |
| PassMark | 1,219 | 1,215 |
| Geekbench 6 Single | — | 361 |
| Geekbench 6 Multi | — | 632 |
Memory & Platform
The Pentium E6700 uses the LGA775 socket (PCIe 1.1), while the Celeron 3855U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Pentium E6700 versus DDR4 2133 MHz on the Celeron 3855U — 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: 0 (Pentium E6700) vs 10 (Celeron 3855U) — the Celeron 3855U offers 10 more lanes for additional GPUs or NVMe drives.
| Feature | Pentium E6700 | Celeron 3855U |
|---|---|---|
| Socket | LGA775 | BGA1356 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR3-1066 | DDR4 2133 MHz+33% |
| Max RAM Capacity | 8 GB | 32 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 10 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Pentium E6700) vs true (Celeron 3855U). The Celeron 3855U includes integrated graphics (Intel HD Graphics 510), while the Pentium E6700 requires a dedicated GPU. Primary use case: Pentium E6700 targets Desktop, Celeron 3855U targets Budget. Direct competitor: Celeron 3855U rivals Pentium 3825U.
| Feature | Pentium E6700 | Celeron 3855U |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel HD Graphics 510 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | true |
| Target Use | Desktop | Budget |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Pentium E6700 and Celeron 3855U
