CPU
GPU
Pentium Dual Core T4300
Phenom II X2 B55
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 Dual Core T4300 is positioned at rank 1127 and the Phenom II X2 B55 is on rank 492, so the Phenom II X2 B55 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium Dual Core T4300
Performance Per Dollar Phenom II X2 B55
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Dual Core T4300 | Phenom II X2 B55 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($99) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (NetBurst (2000−2006) / 45 nm) | 🛑 Legacy (Callisto (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Pentium Dual Core T4300 | Phenom II X2 B55 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($99) | ✅ 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.
Counter-Strike 2
League of Legends
Valorant
Technical Specifications
Side-by-side comparison of Pentium Dual Core T4300 and Phenom II X2 B55
Pentium Dual Core T4300
The Pentium Dual Core T4300 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,232 points. Launch price was $69.
Phenom II X2 B55
The Phenom II X2 B55 is manufactured by AMD. It was released in 1 October 2009 (16 years ago). It is based on the Callisto (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 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: 1,222 points. Launch price was $48.
Processing Power
Both the Pentium Dual Core T4300 and Phenom II X2 B55 share an identical 2-core/2-thread configuration. Boost clocks reach 2.1 GHz on the Pentium Dual Core T4300 versus 3 GHz on the Phenom II X2 B55 — a 35.3% clock advantage for the Phenom II X2 B55 (base: 2.1 GHz vs 3 GHz). The Pentium Dual Core T4300 uses the NetBurst (2000−2006) architecture (45 nm), while the Phenom II X2 B55 uses Callisto (2009−2010) (45 nm). In PassMark, the Pentium Dual Core T4300 scores 1,232 against the Phenom II X2 B55's 1,222 — a 0.8% lead for the Pentium Dual Core T4300. L3 cache: 0 kB on the Pentium Dual Core T4300 vs 6 MB (total) on the Phenom II X2 B55.
| Feature | Pentium Dual Core T4300 | Phenom II X2 B55 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.1 GHz | 3 GHz+43% |
| Base Clock | 2.1 GHz | 3 GHz+43% |
| L3 Cache | 0 kB | 6 MB (total) |
| L2 Cache | 1 MB+100% | 512 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | NetBurst (2000−2006) | Callisto (2009−2010) |
| PassMark | 1,232 | 1,222 |
Memory & Platform
The Pentium Dual Core T4300 uses the P socket (PCIe 1.1), while the Phenom II X2 B55 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium Dual Core T4300 | Phenom II X2 B55 |
|---|---|---|
| Socket | P | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR3-800 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization: No VT-x (Pentium Dual Core T4300) / not specified (Phenom II X2 B55). Primary use case: Pentium Dual Core T4300 targets Mobile.
| Feature | Pentium Dual Core T4300 | Phenom II X2 B55 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | No VT-x | — |
| Target Use | Mobile | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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