CPU
GPU
Turion II Neo K685
Pentium D 820
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 Turion II Neo K685 is positioned at rank 473 and the Pentium D 820 is on rank 1065, 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 Turion II Neo K685
Performance Per Dollar Pentium D 820
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Turion II Neo K685 | Pentium D 820 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Geneva (2010) / 45 nm) | 🛑 Legacy (NetBurst (2000−2006) / 90 nm) |
💎 Value Proposition
| Insight | Turion II Neo K685 | Pentium D 820 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
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 Turion II Neo K685 and Pentium D 820
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.
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.
Processing Power
Both the Turion II Neo K685 and Pentium D 820 share an identical 2-core/2-thread configuration. Boost clocks reach 1.8 GHz on the Turion II Neo K685 versus 2.8 GHz on the Pentium D 820 — a 43.5% clock advantage for the Pentium D 820. The Turion II Neo K685 uses the Geneva (2010) architecture (45 nm), while the Pentium D 820 uses NetBurst (2000−2006) (90 nm). In PassMark, the Turion II Neo K685 scores 1,424 against the Pentium D 820's 1,412 — a 0.8% lead for the Turion II Neo K685.
| Feature | Turion II Neo K685 | Pentium D 820 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.8 GHz | 2.8 GHz+56% |
| Base Clock | — | 2.8 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 1 MB | 2 MB+100% |
| Process | 45 nm-50% | 90 nm |
| Architecture | Geneva (2010) | NetBurst (2000−2006) |
| PassMark | 1,424 | 1,412 |
| Geekbench 6 Single | — | 166 |
Memory & Platform
The Turion II Neo K685 uses the S1g4 socket (PCIe 2.0), while the Pentium D 820 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Turion II Neo K685 | Pentium D 820 |
|---|---|---|
| Socket | S1g4 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | DDR2-667 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Turion II Neo K685) / No (Pentium D 820).
| Feature | Turion II Neo K685 | Pentium D 820 |
|---|---|---|
| Integrated GPU | — | No |
| AVX-512 | — | No |
| Virtualization | — | No |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Turion II Neo K685 and Pentium D 820
