Pentium D 820 vs Turion II Neo K685
Pentium D 820
Turion II Neo K685
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 D 820 is positioned at rank 1065 and the Turion II Neo K685 is on rank 473, so the Turion II Neo K685 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium D 820
Performance Per Dollar Turion II Neo K685
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium D 820 | Turion II Neo K685 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($20) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (NetBurst (2000−2006) / 90 nm) | 🛑 Legacy (Geneva (2010) / 45 nm) |
💎 Value Proposition
| Insight | Pentium D 820 | Turion II Neo K685 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($20) | ✅ 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 Pentium D 820 and Turion II Neo K685
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.
Turion II Neo K685
The Turion II Neo K685 is manufactured by AMD. It was released in 2007-01-01. It is based on the Geneva (2010) architecture. It features 2 cores and 2 threads. Max frequency: 1.8 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1g4. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 1,424 points. Launch price was $69.
Processing Power
Both the Pentium D 820 and Turion II Neo K685 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Pentium D 820 versus 1.8 GHz on the Turion II Neo K685 — a 43.5% clock advantage for the Pentium D 820. The Pentium D 820 uses the NetBurst (2000−2006) architecture (90 nm), while the Turion II Neo K685 uses Geneva (2010) (45 nm). In PassMark, the Pentium D 820 scores 1,412 against the Turion II Neo K685's 1,424 — a 0.8% lead for the Turion II Neo K685.
| Feature | Pentium D 820 | Turion II Neo K685 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz+56% | 1.8 GHz |
| Base Clock | 2.8 GHz | — |
| L3 Cache | 0 kB | — |
| L2 Cache | 2 MB+100% | 1 MB |
| Process | 90 nm | 45 nm-50% |
| Architecture | NetBurst (2000−2006) | Geneva (2010) |
| PassMark | 1,412 | 1,424 |
| Geekbench 6 Single | 166 | — |
Memory & Platform
The Pentium D 820 uses the LGA775 socket (PCIe 1.1), while the Turion II Neo K685 uses S1g4 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium D 820 | Turion II Neo K685 |
|---|---|---|
| Socket | LGA775 | S1g4 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-667 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization: No (Pentium D 820) / not specified (Turion II Neo K685).
| Feature | Pentium D 820 | Turion II Neo K685 |
|---|---|---|
| Integrated GPU | No | — |
| AVX-512 | No | — |
| Virtualization | No | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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