
Core i7-860S vs Core 2 Duo T8100

Core i7-860S

Core 2 Duo T8100
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 Core i7-860S is positioned at rank 1033 and the Core 2 Duo T8100 is on rank 38, so the Core 2 Duo T8100 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-860S
Performance Per Dollar Core 2 Duo T8100
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-860S | Core 2 Duo T8100 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($96) | ✅ More affordable ($10) |
| Longevity | 🛑 Legacy (Lynnfield (2009−2010) / 45 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core i7-860S | Core 2 Duo T8100 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+858%) |
| Upfront Cost | ⚠️ Higher cost ($96) | ✅ More affordable ($10) |
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 Core i7-860S and Core 2 Duo T8100

Core i7-860S
The Core i7-860S is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Lynnfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.53 GHz, with boost up to 3.46 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1156. Thermal design power (TDP): 82 Watt. Memory support: DDR3. Passmark benchmark score: 2,324 points. Launch price was $422.

Core 2 Duo T8100
The Core 2 Duo T8100 is manufactured by Intel. It was released in 10 January 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,320 points. Launch price was $209.
Processing Power
The Core i7-860S packs 4 cores / 8 threads, while the Core 2 Duo T8100 offers 2 cores / 2 threads — the Core i7-860S has 2 more cores. Boost clocks reach 3.46 GHz on the Core i7-860S versus 2.1 GHz on the Core 2 Duo T8100 — a 48.9% clock advantage for the Core i7-860S (base: 2.53 GHz vs 2.1 GHz). The Core i7-860S uses the Lynnfield (2009−2010) architecture (45 nm), while the Core 2 Duo T8100 uses Penryn (2008−2011) (45 nm). In PassMark, the Core i7-860S scores 2,324 against the Core 2 Duo T8100's 2,320 — a 0.2% lead for the Core i7-860S. Geekbench 6 single-core — the metric most relevant to gaming — records 451 vs 380, a 17.1% lead for the Core i7-860S that directly translates to higher frame rates. Multi-core Geekbench: 1,332 vs 700 (62.2% advantage for the Core i7-860S). L3 cache: 8 MB (total) on the Core i7-860S vs 3 MB L2 Cache on the Core 2 Duo T8100.
| Feature | Core i7-860S | Core 2 Duo T8100 |
|---|---|---|
| Cores / Threads | 4 / 8+100% | 2 / 2 |
| Boost Clock | 3.46 GHz+65% | 2.1 GHz |
| Base Clock | 2.53 GHz+20% | 2.1 GHz |
| L3 Cache | 8 MB (total)+167% | 3 MB L2 Cache |
| L2 Cache | 256 kB (per core) | 3 MB+1100% |
| Process | 45 nm | 45 nm |
| Architecture | Lynnfield (2009−2010) | Penryn (2008−2011) |
| PassMark | 2,324 | 2,320 |
| Geekbench 6 Single | 451+19% | 380 |
| Geekbench 6 Multi | 1,332+90% | 700 |
Memory & Platform
The Core i7-860S uses the LGA1156 socket (PCIe 2.0), while the Core 2 Duo T8100 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i7-860S versus DDR2-667 on the Core 2 Duo T8100 — the Core i7-860S supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-860S supports up to 16 GB of RAM compared to 4 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-860S) vs 0 (Core 2 Duo T8100) — the Core i7-860S offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P55,H55,H57,Q57 (Core i7-860S) and GM965,PM965 (Core 2 Duo T8100).
| Feature | Core i7-860S | Core 2 Duo T8100 |
|---|---|---|
| Socket | LGA1156 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333+50% | DDR2-667 |
| Max RAM Capacity | 16 GB+300% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Virtualization support: Yes (Core i7-860S) vs VT-x (Core 2 Duo T8100). Primary use case: Core 2 Duo T8100 targets Legacy Laptop. Direct competitor: Core 2 Duo T8100 rivals Core 2 Duo T7250.
| Feature | Core i7-860S | Core 2 Duo T8100 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | Yes | VT-x |
| Target Use | — | Legacy Laptop |
Value Analysis
The Core i7-860S launched at $299 MSRP, while the Core 2 Duo T8100 debuted at $209. At current prices ($96 vs $10), the Core 2 Duo T8100 is $86 cheaper. In terms of value (PassMark points per dollar), the Core i7-860S delivers 24.2 pts/$ vs 232.0 pts/$ for the Core 2 Duo T8100 — making the Core 2 Duo T8100 the 162.2% better value option.
| Feature | Core i7-860S | Core 2 Duo T8100 |
|---|---|---|
| MSRP | $299 | $209-30% |
| Avg Price (30d) | $96 | $10-90% |
| Performance per Dollar | 24.2 | 232.0+859% |
| Release Date | 2010 | 2008 |
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