CPU
GPU
Pentium 3825U
Pentium D 820
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 3825U is positioned at rank 886 and the Pentium D 820 is on rank 1065, so the Pentium 3825U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium 3825U
Performance Per Dollar Pentium D 820
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 3825U | Pentium D 820 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Broadwell-U (2015) / 14 nm) | 🛑 Legacy (NetBurst (2000−2006) / 90 nm) |
💎 Value Proposition
| Insight | Pentium 3825U | Pentium D 820 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
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.
Path of Exile 2
League of Legends
Technical Specifications
Side-by-side comparison of Pentium 3825U and Pentium D 820
Pentium 3825U
The Pentium 3825U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 4 threads. Base frequency is 1.9 GHz, with boost up to 1.9 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,396 points. Launch price was $161.
Pentium D 820
The Pentium D 820 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 90 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,412 points. Launch price was $69.
Processing Power
The Pentium 3825U packs 2 cores / 4 threads, matching the Pentium D 820's 2 cores. Boost clocks reach 1.9 GHz on the Pentium 3825U versus 2.8 GHz on the Pentium D 820 — a 38.3% clock advantage for the Pentium D 820 (base: 1.9 GHz vs 2.8 GHz). The Pentium 3825U uses the Broadwell-U (2015) architecture (14 nm), while the Pentium D 820 uses NetBurst (2000−2006) (90 nm). In PassMark, the Pentium 3825U scores 1,396 against the Pentium D 820's 1,412 — a 1.1% lead for the Pentium D 820. L3 cache: 2 MB (total) on the Pentium 3825U vs 0 kB on the Pentium D 820.
| Feature | Pentium 3825U | Pentium D 820 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 1.9 GHz | 2.8 GHz+47% |
| Base Clock | 1.9 GHz | 2.8 GHz+47% |
| L3 Cache | 2 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 2 MB+700% |
| Process | 14 nm-84% | 90 nm |
| Architecture | Broadwell-U (2015) | NetBurst (2000−2006) |
| PassMark | 1,396 | 1,412+1% |
| Geekbench 6 Single | — | 166 |
Memory & Platform
The Pentium 3825U uses the FCBGA1168 socket (PCIe 3.0), while the Pentium D 820 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Pentium 3825U | Pentium D 820 |
|---|---|---|
| Socket | FCBGA1168 | LGA775 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | — | DDR2-667 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Pentium 3825U) / No (Pentium D 820).
| Feature | Pentium 3825U | Pentium D 820 |
|---|---|---|
| Integrated GPU | — | No |
| AVX-512 | — | No |
| Virtualization | — | No |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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