Phenom X4 9100e vs Pentium G840
Phenom X4 9100e
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 Phenom X4 9100e is positioned at rank 453 and the Pentium G840 is on rank 764, so the Phenom X4 9100e offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom X4 9100e
Performance Per Dollar Pentium G840
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom X4 9100e | Pentium G840 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($35) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Agena (2007−2008) / 65 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Phenom X4 9100e | Pentium G840 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+136%) |
| Upfront Cost | ⚠️ Higher cost ($35) | ✅ 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.
Path of Exile 2
Counter-Strike 2
Technical Specifications
Side-by-side comparison of Phenom X4 9100e and Pentium G840
Phenom X4 9100e
The Phenom X4 9100e is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 1.8 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,353 points. Launch price was $149.
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
The Phenom X4 9100e packs 4 cores / 4 threads, while the Pentium G840 offers 2 cores / 2 threads — the Phenom X4 9100e has 2 more cores. Boost clocks reach 1.8 GHz on the Phenom X4 9100e versus 2.8 GHz on the Pentium G840 — a 43.5% clock advantage for the Pentium G840. The Phenom X4 9100e uses the Agena (2007−2008) architecture (65 nm), while the Pentium G840 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Phenom X4 9100e scores 1,353 against the Pentium G840's 1,367 — a 1% lead for the Pentium G840. L3 cache: 2 MB (total) on the Phenom X4 9100e vs 3 MB (total) on the Pentium G840.
| Feature | Phenom X4 9100e | Pentium G840 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 1.8 GHz | 2.8 GHz+56% |
| Base Clock | — | 2.8 GHz |
| L3 Cache | 2 MB (total) | 3 MB (total)+50% |
| L2 Cache | 512 kB (per core)+100% | 256 kB (per core) |
| Process | 65 nm | 32 nm-51% |
| Architecture | Agena (2007−2008) | Sandy Bridge (2011−2013) |
| PassMark | 1,353 | 1,367+1% |
Memory & Platform
The Phenom X4 9100e uses the AM2+ socket (PCIe 2.0), while the Pentium G840 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Phenom X4 9100e | Pentium G840 |
|---|---|---|
| Socket | AM2+ | LGA1155 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
Value Analysis
The Phenom X4 9100e launched at $200 MSRP, while the Pentium G840 debuted at $64. At current prices ($35 vs $15), the Pentium G840 is $20 cheaper. In terms of value (PassMark points per dollar), the Phenom X4 9100e delivers 38.7 pts/$ vs 91.1 pts/$ for the Pentium G840 — making the Pentium G840 the 80.9% better value option.
| Feature | Phenom X4 9100e | Pentium G840 |
|---|---|---|
| MSRP | $200 | $64-68% |
| Avg Price (30d) | $35 | $15-57% |
| Performance per Dollar | 38.7 | 91.1+135% |
| Release Date | 2008 | 2011 |
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