CPU
GPU
Pentium G640
Phenom X4 9100e
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 G640 is positioned at rank 763 and the Phenom X4 9100e is on rank 453, 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 Pentium G640
Performance Per Dollar Phenom X4 9100e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G640 | Phenom X4 9100e |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($5) | ⚠️ Higher cost ($35) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Agena (2007−2008) / 65 nm) |
💎 Value Proposition
| Insight | Pentium G640 | Phenom X4 9100e |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+608%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($5) | ⚠️ 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 Pentium G640 and Phenom X4 9100e
Pentium G640
The Pentium G640 is manufactured by Intel. It was released in 3 June 2012 (13 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: 1,369 points. Launch price was $179.
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.
Processing Power
The Pentium G640 packs 2 cores / 2 threads, while the Phenom X4 9100e offers 4 cores / 4 threads — the Phenom X4 9100e has 2 more cores. Boost clocks reach 2.8 GHz on the Pentium G640 versus 1.8 GHz on the Phenom X4 9100e — a 43.5% clock advantage for the Pentium G640. The Pentium G640 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Phenom X4 9100e uses Agena (2007−2008) (65 nm). In PassMark, the Pentium G640 scores 1,369 against the Phenom X4 9100e's 1,353 — a 1.2% lead for the Pentium G640. L3 cache: 3 MB (total) on the Pentium G640 vs 2 MB (total) on the Phenom X4 9100e.
| Feature | Pentium G640 | Phenom X4 9100e |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.8 GHz+56% | 1.8 GHz |
| Base Clock | 2.8 GHz | — |
| L3 Cache | 3 MB (total)+50% | 2 MB (total) |
| L2 Cache | 256 kB (per core) | 512 kB (per core)+100% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Sandy Bridge (2011−2013) | Agena (2007−2008) |
| PassMark | 1,369+1% | 1,353 |
Memory & Platform
The Pentium G640 uses the LGA1155 socket (PCIe 2.0), while the Phenom X4 9100e uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium G640 | Phenom X4 9100e |
|---|---|---|
| Socket | LGA1155 | AM2+ |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
Value Analysis
The Pentium G640 launched at $64 MSRP, while the Phenom X4 9100e debuted at $200. At current prices ($5 vs $35), the Pentium G640 is $30 cheaper. In terms of value (PassMark points per dollar), the Pentium G640 delivers 273.8 pts/$ vs 38.7 pts/$ for the Phenom X4 9100e — making the Pentium G640 the 150.5% better value option.
| Feature | Pentium G640 | Phenom X4 9100e |
|---|---|---|
| MSRP | $64-68% | $200 |
| Avg Price (30d) | $5-86% | $35 |
| Performance per Dollar | 273.8+607% | 38.7 |
| Release Date | 2012 | 2008 |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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