Pentium G6951 vs Pentium G840
Pentium G6951
Pentium G840
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 G6951 is positioned at rank 892 and the Pentium G840 is on rank 764, 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 G6951
Performance Per Dollar Pentium G840
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G6951 | Pentium G840 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($50) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Clarkdale (2010−2011) / 32 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Pentium G6951 | Pentium G840 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+229%) |
| Upfront Cost | ⚠️ Higher cost ($50) | ✅ More affordable ($15) |
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 G6951 and Pentium G840
Pentium G6951
The Pentium G6951 is manufactured by Intel. It was released in 1 September 2010 (15 years ago). It is based on the Clarkdale (2010−2011) 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: LGA1156. Thermal design power (TDP): 73 Watt. Memory support: DDR3. Passmark benchmark score: 1,383 points. Launch price was $94.
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.
Processing Power
Both the Pentium G6951 and Pentium G840 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Pentium G6951 versus 2.8 GHz on the Pentium G840 — identical boost frequencies (base: 2.8 GHz vs 2.8 GHz). The Pentium G6951 uses the Clarkdale (2010−2011) architecture (32 nm), while the Pentium G840 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Pentium G6951 scores 1,383 against the Pentium G840's 1,367 — a 1.2% lead for the Pentium G6951. Both processors carry 3 MB (total) of L3 cache.
| Feature | Pentium G6951 | Pentium G840 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz | 2.8 GHz |
| Base Clock | 2.8 GHz | 2.8 GHz |
| L3 Cache | 3 MB (total) | 3 MB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Clarkdale (2010−2011) | Sandy Bridge (2011−2013) |
| PassMark | 1,383+1% | 1,367 |
Memory & Platform
The Pentium G6951 uses the LGA1156 socket (PCIe 2.0), while the Pentium G840 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium G6951 | Pentium G840 |
|---|---|---|
| Socket | LGA1156 | LGA1155 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
Value Analysis
The Pentium G6951 launched at $89 MSRP, while the Pentium G840 debuted at $64. At current prices ($50 vs $15), the Pentium G840 is $35 cheaper. In terms of value (PassMark points per dollar), the Pentium G6951 delivers 27.7 pts/$ vs 91.1 pts/$ for the Pentium G840 — making the Pentium G840 the 106.9% better value option.
| Feature | Pentium G6951 | Pentium G840 |
|---|---|---|
| MSRP | $89 | $64-28% |
| Avg Price (30d) | $50 | $15-70% |
| Performance per Dollar | 27.7 | 91.1+229% |
| Release Date | 2010 | 2011 |
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