
Athlon II X2 250e

Pentium 3805U
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 Athlon II X2 250e is positioned at rank 889 and the Pentium 3805U is on rank 344, so the Pentium 3805U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X2 250e
Performance Per Dollar Pentium 3805U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X2 250e | Pentium 3805U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Regor (2009−2013) / 45 nm) | 🛑 Legacy (Broadwell-U (2015) / 14 nm) |
💎 Value Proposition
| Insight | Athlon II X2 250e | Pentium 3805U |
|---|---|---|
| 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 Athlon II X2 250e and Pentium 3805U

Athlon II X2 250e
The Athlon II X2 250e is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Regor (2009−2013) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,202 points. Launch price was $77.

Pentium 3805U
The Pentium 3805U 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 2 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: 1,196 points. Launch price was $161.
Processing Power
Both the Athlon II X2 250e and Pentium 3805U share an identical 2-core/2-thread configuration. Boost clocks reach 3 GHz on the Athlon II X2 250e versus 1.9 GHz on the Pentium 3805U — a 44.9% clock advantage for the Athlon II X2 250e (base: 3 GHz vs 1.9 GHz). The Athlon II X2 250e uses the Regor (2009−2013) architecture (45 nm), while the Pentium 3805U uses Broadwell-U (2015) (14 nm). In PassMark, the Athlon II X2 250e scores 1,202 against the Pentium 3805U's 1,196 — a 0.5% lead for the Athlon II X2 250e. L3 cache: 0 kB on the Athlon II X2 250e vs 2 MB (total) on the Pentium 3805U.
| Feature | Athlon II X2 250e | Pentium 3805U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3 GHz+58% | 1.9 GHz |
| Base Clock | 3 GHz+58% | 1.9 GHz |
| L3 Cache | 0 kB | 2 MB (total) |
| L2 Cache | 1 MB+300% | 256K (per core) |
| Process | 45 nm | 14 nm-69% |
| Architecture | Regor (2009−2013) | Broadwell-U (2015) |
| PassMark | 1,202 | 1,196 |
| Geekbench 6 Single | 250 | — |
| Geekbench 6 Multi | 470 | — |
Memory & Platform
The Athlon II X2 250e uses the AM3 socket (PCIe 2.0), while the Pentium 3805U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. Both support up to 16 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X2 250e) vs 12 (Pentium 3805U) — the Pentium 3805U offers 12 more lanes for additional GPUs or NVMe drives.
| Feature | Athlon II X2 250e | Pentium 3805U |
|---|---|---|
| Socket | AM3 | FCBGA1168 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR3L-1600 |
| Max RAM Capacity | 16 GB | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 0 | 12 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (Athlon II X2 250e) vs VT-x, VT-d (Pentium 3805U). The Pentium 3805U includes integrated graphics (HD Graphics (Broadwell)), while the Athlon II X2 250e requires a dedicated GPU. Primary use case: Athlon II X2 250e targets Energy Efficient Legacy Desktop, Pentium 3805U targets Mobile. Direct competitor: Athlon II X2 250e rivals Pentium E5700.
| Feature | Athlon II X2 250e | Pentium 3805U |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | HD Graphics (Broadwell) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x, VT-d |
| Target Use | Energy Efficient Legacy Desktop | Mobile |
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