Pentium 3805U vs Phenom X3 8450e
Pentium 3805U
Phenom X3 8450e
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 3805U is positioned at rank 344 and the Phenom X3 8450e is on rank 498, 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 Pentium 3805U
Performance Per Dollar Phenom X3 8450e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 3805U | Phenom X3 8450e |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Broadwell-U (2015) / 14 nm) | 🛑 Legacy (Toliman (2008) / 65 nm) |
💎 Value Proposition
| Insight | Pentium 3805U | Phenom X3 8450e |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 3805U and Phenom X3 8450e
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.
Phenom X3 8450e
The Phenom X3 8450e is manufactured by AMD. It was released in 2009-01-01. It is based on the Toliman (2008) architecture. It features 3 cores and 3 threads. Max frequency: 2.1 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,206 points. Launch price was $149.
Processing Power
The Pentium 3805U packs 2 cores / 2 threads, while the Phenom X3 8450e offers 3 cores / 3 threads — the Phenom X3 8450e has 1 more core. Boost clocks reach 1.9 GHz on the Pentium 3805U versus 2.1 GHz on the Phenom X3 8450e — a 10% clock advantage for the Phenom X3 8450e. The Pentium 3805U uses the Broadwell-U (2015) architecture (14 nm), while the Phenom X3 8450e uses Toliman (2008) (65 nm). In PassMark, the Pentium 3805U scores 1,196 against the Phenom X3 8450e's 1,206 — a 0.8% lead for the Phenom X3 8450e. Both processors carry 2 MB (total) of L3 cache.
| Feature | Pentium 3805U | Phenom X3 8450e |
|---|---|---|
| Cores / Threads | 2 / 2 | 3 / 3+50% |
| Boost Clock | 1.9 GHz | 2.1 GHz+11% |
| Base Clock | 1.9 GHz | — |
| L3 Cache | 2 MB (total) | 2 MB (total) |
| L2 Cache | 256K (per core) | 512 kB (per core)+100% |
| Process | 14 nm-78% | 65 nm |
| Architecture | Broadwell-U (2015) | Toliman (2008) |
| PassMark | 1,196 | 1,206 |
Memory & Platform
The Pentium 3805U uses the FCBGA1168 socket (PCIe 3.0), while the Phenom X3 8450e uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium 3805U | Phenom X3 8450e |
|---|---|---|
| Socket | FCBGA1168 | AM2+ |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3L-1600 | — |
| Max RAM Capacity | 16 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 12 | — |
Advanced Features
Virtualization: VT-x, VT-d (Pentium 3805U) / not specified (Phenom X3 8450e). The Pentium 3805U includes integrated graphics (HD Graphics (Broadwell)), while the Phenom X3 8450e requires a dedicated GPU. Primary use case: Pentium 3805U targets Mobile.
| Feature | Pentium 3805U | Phenom X3 8450e |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics (Broadwell) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Mobile | — |
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