
Core 2 Duo E8135

Pentium B950
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 2 Duo E8135 is positioned at rank 1203 and the Pentium B950 is on rank 1142, so the Pentium B950 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core 2 Duo E8135
Performance Per Dollar Pentium B950
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E8135 | Pentium B950 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($15) | ⚠️ Higher cost ($35) |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E8135 | Pentium B950 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+133%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($15) | ⚠️ Higher cost ($35) |
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 2 Duo E8135 and Pentium B950

Core 2 Duo E8135
The Core 2 Duo E8135 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.667 GHz, with boost up to 0.67 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,020 points. Launch price was $249.

Pentium B950
The Pentium B950 is manufactured by Intel. It was released in 19 June 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,022 points. Launch price was $134.
Processing Power
Both the Core 2 Duo E8135 and Pentium B950 share an identical 2-core/2-thread configuration. Boost clocks reach 0.67 GHz on the Core 2 Duo E8135 versus 2.1 GHz on the Pentium B950 — a 103.2% clock advantage for the Pentium B950 (base: 2.667 GHz vs 2.1 GHz). The Core 2 Duo E8135 uses the Penryn (2008−2011) architecture (45 nm), while the Pentium B950 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core 2 Duo E8135 scores 1,020 against the Pentium B950's 1,022 — a 0.2% lead for the Pentium B950.
| Feature | Core 2 Duo E8135 | Pentium B950 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 0.67 GHz | 2.1 GHz+213% |
| Base Clock | 2.667 GHz+27% | 2.1 GHz |
| L3 Cache | — | 2 MB (total) |
| L2 Cache | 6 MB (total)+2300% | 256K (per core) |
| Process | 45 nm | 32 nm-29% |
| Architecture | Penryn (2008−2011) | Sandy Bridge (2011−2013) |
| PassMark | 1,020 | 1,022 |
| Geekbench 6 Single | — | 379 |
| Geekbench 6 Multi | — | 671 |
Memory & Platform
The Core 2 Duo E8135 uses the P socket (PCIe 1.1), while the Pentium B950 uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo E8135 | Pentium B950 |
|---|---|---|
| Socket | P | PGA988 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Core 2 Duo E8135) / VT-x (Pentium B950). The Pentium B950 includes integrated graphics (Intel HD Graphics (Sandy Bridge)), while the Core 2 Duo E8135 requires a dedicated GPU. Primary use case: Pentium B950 targets Budget.
| Feature | Core 2 Duo E8135 | Pentium B950 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics (Sandy Bridge) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
Value Analysis
The Core 2 Duo E8135 launched at $200 MSRP, while the Pentium B950 debuted at $134. At current prices ($15 vs $35), the Core 2 Duo E8135 is $20 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo E8135 delivers 68.0 pts/$ vs 29.2 pts/$ for the Pentium B950 — making the Core 2 Duo E8135 the 79.8% better value option.
| Feature | Core 2 Duo E8135 | Pentium B950 |
|---|---|---|
| MSRP | $200 | $134-33% |
| Avg Price (30d) | $15-57% | $35 |
| Performance per Dollar | 68.0+133% | 29.2 |
| Release Date | 2009 | 2011 |
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