Pentium Gold 6405U vs Athlon II X2 265
Pentium Gold 6405U
Athlon II X2 265
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 Gold 6405U is positioned at rank 770 and the Athlon II X2 265 is on rank 884, so the Pentium Gold 6405U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium Gold 6405U
Performance Per Dollar Athlon II X2 265
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold 6405U | Athlon II X2 265 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) | 🛑 Legacy (Regor (2009−2013) / 45 nm) |
💎 Value Proposition
| Insight | Pentium Gold 6405U | Athlon II X2 265 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
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 Gold 6405U and Athlon II X2 265
Pentium Gold 6405U
The Pentium Gold 6405U is manufactured by Intel. It was released in 31 October 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 2 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,320 points. Launch price was $161.
Athlon II X2 265
The Athlon II X2 265 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 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,324 points. Launch price was $83.
Processing Power
The Pentium Gold 6405U packs 2 cores / 4 threads, matching the Athlon II X2 265's 2 cores. Boost clocks reach 2.4 GHz on the Pentium Gold 6405U versus 3.3 GHz on the Athlon II X2 265 — a 31.6% clock advantage for the Athlon II X2 265 (base: 2.4 GHz vs 3.3 GHz). The Pentium Gold 6405U uses the Comet Lake-U (2019−2020) architecture (14 nm), while the Athlon II X2 265 uses Regor (2009−2013) (45 nm). In PassMark, the Pentium Gold 6405U scores 1,320 against the Athlon II X2 265's 1,324 — a 0.3% lead for the Athlon II X2 265. L3 cache: 2 MB on the Pentium Gold 6405U vs 0 kB on the Athlon II X2 265.
| Feature | Pentium Gold 6405U | Athlon II X2 265 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 2.4 GHz | 3.3 GHz+38% |
| Base Clock | 2.4 GHz | 3.3 GHz+38% |
| L3 Cache | 2 MB | 0 kB |
| L2 Cache | 1 MB | 1 MB |
| Process | 14 nm-69% | 45 nm |
| Architecture | Comet Lake-U (2019−2020) | Regor (2009−2013) |
| PassMark | 1,320 | 1,324 |
| Geekbench 6 Single | — | 275 |
| Geekbench 6 Multi | — | 520 |
Memory & Platform
The Pentium Gold 6405U uses the FCBGA1528 socket (PCIe 3.0), while the Athlon II X2 265 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold 6405U | Athlon II X2 265 |
|---|---|---|
| Socket | FCBGA1528 | AM3 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Pentium Gold 6405U) / AMD-V (Athlon II X2 265). Primary use case: Athlon II X2 265 targets Legacy Desktop. Direct competitor: Athlon II X2 265 rivals Pentium E6700.
| Feature | Pentium Gold 6405U | Athlon II X2 265 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Legacy Desktop |
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