Pentium G840 vs Core 2 Duo E8600
Pentium G840
Core 2 Duo E8600
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 G840 is positioned at rank 764 and the Core 2 Duo E8600 is on rank 1050, so the Pentium G840 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G840
Performance Per Dollar Core 2 Duo E8600
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G840 | Core 2 Duo E8600 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($15) | ⚠️ Higher cost ($95) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Pentium G840 | Core 2 Duo E8600 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+528%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($15) | ⚠️ Higher cost ($95) |
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 G840 and Core 2 Duo E8600
Pentium G840
The Pentium G840 is manufactured by Intel. It was released in 22 May 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,367 points. Launch price was $60.
Core 2 Duo E8600
The Core 2 Duo E8600 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.33 GHz, with boost up to 3.33 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,378 points. Launch price was $249.
Processing Power
Both the Pentium G840 and Core 2 Duo E8600 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Pentium G840 versus 3.33 GHz on the Core 2 Duo E8600 — a 17.3% clock advantage for the Core 2 Duo E8600 (base: 2.8 GHz vs 3.33 GHz). The Pentium G840 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core 2 Duo E8600 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Pentium G840 scores 1,367 against the Core 2 Duo E8600's 1,378 — a 0.8% lead for the Core 2 Duo E8600. L3 cache: 3 MB (total) on the Pentium G840 vs 0 kB on the Core 2 Duo E8600.
| Feature | Pentium G840 | Core 2 Duo E8600 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz | 3.33 GHz+19% |
| Base Clock | 2.8 GHz | 3.33 GHz+19% |
| L3 Cache | 3 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 6 MB (total)+2300% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Sandy Bridge (2011−2013) | Wolfdale (2008−2010) |
| PassMark | 1,367 | 1,378 |
| Geekbench 6 Single | — | 486 |
| Geekbench 6 Multi | — | 885 |
Memory & Platform
The Pentium G840 uses the LGA1155 socket (PCIe 2.0), while the Core 2 Duo E8600 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Pentium G840 | Core 2 Duo E8600 |
|---|---|---|
| Socket | LGA1155 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Pentium G840) / VT-x (Core 2 Duo E8600). Primary use case: Core 2 Duo E8600 targets Legacy Desktop. Direct competitor: Core 2 Duo E8600 rivals Phenom II X2 550.
| Feature | Pentium G840 | Core 2 Duo E8600 |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Legacy Desktop |
Value Analysis
The Pentium G840 launched at $64 MSRP, while the Core 2 Duo E8600 debuted at $200. At current prices ($15 vs $95), the Pentium G840 is $80 cheaper. In terms of value (PassMark points per dollar), the Pentium G840 delivers 91.1 pts/$ vs 14.5 pts/$ for the Core 2 Duo E8600 — making the Pentium G840 the 145.1% better value option.
| Feature | Pentium G840 | Core 2 Duo E8600 |
|---|---|---|
| MSRP | $64-68% | $200 |
| Avg Price (30d) | $15-84% | $95 |
| Performance per Dollar | 91.1+528% | 14.5 |
| Release Date | 2011 | 2008 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Pentium G840 and Core 2 Duo E8600
