Pentium 3805U vs Ryzen 7 5700X
Pentium 3805U
Ryzen 7 5700X
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. The Pentium 3805U is positioned at rank #344 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium 3805U
Performance Per Dollar Ryzen 7 5700X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 3805U | Ryzen 7 5700X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($175) |
| Longevity | 🛑 Legacy (Broadwell-U (2015) / 14 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm) |
💎 Value Proposition
| Insight | Pentium 3805U | Ryzen 7 5700X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($175) |
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 Ryzen 7 5700X
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.
Ryzen 7 5700X
The Ryzen 7 5700X is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.4 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 26,609 points. Launch price was $299.
Processing Power
The Pentium 3805U packs 2 cores / 2 threads, while the Ryzen 7 5700X offers 8 cores / 16 threads — the Ryzen 7 5700X has 6 more cores. Boost clocks reach 1.9 GHz on the Pentium 3805U versus 4.6 GHz on the Ryzen 7 5700X — a 83.1% clock advantage for the Ryzen 7 5700X (base: 1.9 GHz vs 3.4 GHz). The Pentium 3805U uses the Broadwell-U (2015) architecture (14 nm), while the Ryzen 7 5700X uses Vermeer (Zen 3) (2020−2022) (7 nm). In PassMark, the Pentium 3805U scores 1,196 against the Ryzen 7 5700X's 26,609 — a 182.8% lead for the Ryzen 7 5700X. L3 cache: 2 MB (total) on the Pentium 3805U vs 32 MB (total) on the Ryzen 7 5700X.
| Feature | Pentium 3805U | Ryzen 7 5700X |
|---|---|---|
| Cores / Threads | 2 / 2 | 8 / 16+300% |
| Boost Clock | 1.9 GHz | 4.6 GHz+142% |
| Base Clock | 1.9 GHz | 3.4 GHz+79% |
| L3 Cache | 2 MB (total) | 32 MB (total)+1500% |
| L2 Cache | 256K (per core) | 512K (per core)+100% |
| Process | 14 nm | 7 nm-50% |
| Architecture | Broadwell-U (2015) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 1,196 | 26,609+2125% |
| Cinebench R23 Multi | — | 14,000 |
| Geekbench 6 Single | — | 2,116 |
| Geekbench 6 Multi | — | 9,715 |
Memory & Platform
The Pentium 3805U uses the FCBGA1168 socket (PCIe 3.0), while the Ryzen 7 5700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1600 on the Pentium 3805U versus DDR4-3200 on the Ryzen 7 5700X — the Ryzen 7 5700X supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5700X supports up to 128 GB of RAM compared to 16 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Pentium 3805U) vs 24 (Ryzen 7 5700X) — the Ryzen 7 5700X offers 12 more lanes for additional GPUs or NVMe drives.
| Feature | Pentium 3805U | Ryzen 7 5700X |
|---|---|---|
| Socket | FCBGA1168 | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR3L-1600 | DDR4-3200+33% |
| Max RAM Capacity | 16 GB | 128 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 12 | 24+100% |
Advanced Features
Only the Ryzen 7 5700X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Pentium 3805U) vs AMD-V (Ryzen 7 5700X). The Pentium 3805U includes integrated graphics (HD Graphics (Broadwell)), while the Ryzen 7 5700X requires a dedicated GPU. Primary use case: Pentium 3805U targets Mobile, Ryzen 7 5700X targets Gaming. Direct competitor: Ryzen 7 5700X rivals Core i7-11700K.
| Feature | Pentium 3805U | Ryzen 7 5700X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics (Broadwell) | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | Mobile | Gaming |
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