Pentium G640T vs Phenom II X2 550
Pentium G640T
Phenom II X2 550
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 G640T is positioned at rank 848 and the Phenom II X2 550 is on rank 516, so the Phenom II X2 550 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G640T
Performance Per Dollar Phenom II X2 550
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G640T | Phenom II X2 550 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($69) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Callisto (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Pentium G640T | Phenom II X2 550 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($69) | ✅ More affordable ($0) |
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 G640T and Phenom II X2 550
Pentium G640T
The Pentium G640T is manufactured by Intel. It was released in 2007-01-01. It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,139 points. Launch price was $69.
Phenom II X2 550
The Phenom II X2 550 is manufactured by AMD. It was released in 4 November 2009 (16 years ago). It is based on the Callisto (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,142 points. Launch price was $133.
Processing Power
Both the Pentium G640T and Phenom II X2 550 share an identical 2-core/2-thread configuration. Boost clocks reach 2.4 GHz on the Pentium G640T versus 3.1 GHz on the Phenom II X2 550 — a 25.5% clock advantage for the Phenom II X2 550 (base: 2.4 GHz vs 3.1 GHz). The Pentium G640T uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Phenom II X2 550 uses Callisto (2009−2010) (45 nm). In PassMark, the Pentium G640T scores 1,139 against the Phenom II X2 550's 1,142 — a 0.3% lead for the Phenom II X2 550. L3 cache: 3 MB (total) on the Pentium G640T vs 6 MB (total) on the Phenom II X2 550.
| Feature | Pentium G640T | Phenom II X2 550 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.4 GHz | 3.1 GHz+29% |
| Base Clock | 2.4 GHz | 3.1 GHz+29% |
| L3 Cache | 3 MB (total) | 6 MB (total)+100% |
| L2 Cache | 256 kB (per core) | 512 kB (per core)+100% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Sandy Bridge (2011−2013) | Callisto (2009−2010) |
| PassMark | 1,139 | 1,142 |
Memory & Platform
The Pentium G640T uses the LGA1155 socket (PCIe 2.0), while the Phenom II X2 550 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium G640T | Phenom II X2 550 |
|---|---|---|
| Socket | LGA1155 | AM3 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
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