CPU
GPU
Core 2 Duo U7500
Phenom II X2 B53
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 Core 2 Duo U7500 is positioned at rank 1051 and the Phenom II X2 B53 is on rank 1038, so the Phenom II X2 B53 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core 2 Duo U7500
Performance Per Dollar Phenom II X2 B53
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo U7500 | Phenom II X2 B53 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($10) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Merom-2048 (2006−2008) / 65 nm) | 🛑 Legacy (Callisto (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Duo U7500 | Phenom II X2 B53 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+47%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($10) | ⚠️ Higher cost ($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 Core 2 Duo U7500 and Phenom II X2 B53
Core 2 Duo U7500
The Core 2 Duo U7500 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom-2048 (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.06 GHz, with boost up to 1.06 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: BGA479. Thermal design power (TDP): 10 Watt. Passmark benchmark score: 1,116 points. Launch price was $249.
Phenom II X2 B53
The Phenom II X2 B53 is manufactured by AMD. It was released in 2009-01-01. It is based on the Callisto (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 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: 1,137 points. Launch price was $149.
Processing Power
Both the Core 2 Duo U7500 and Phenom II X2 B53 share an identical 2-core/2-thread configuration. Boost clocks reach 1.06 GHz on the Core 2 Duo U7500 versus 2.8 GHz on the Phenom II X2 B53 — a 90.2% clock advantage for the Phenom II X2 B53 (base: 1.06 GHz vs 2.8 GHz). The Core 2 Duo U7500 uses the Merom-2048 (2006−2008) architecture (65 nm), while the Phenom II X2 B53 uses Callisto (2009−2010) (45 nm). In PassMark, the Core 2 Duo U7500 scores 1,116 against the Phenom II X2 B53's 1,137 — a 1.9% lead for the Phenom II X2 B53. Geekbench 6 single-core — the metric most relevant to gaming — records 180 vs 300, a 50% lead for the Phenom II X2 B53 that directly translates to higher frame rates. Multi-core Geekbench: 320 vs 550 (52.9% advantage for the Phenom II X2 B53). L3 cache: 0 kB on the Core 2 Duo U7500 vs 6 MB (total) on the Phenom II X2 B53.
| Feature | Core 2 Duo U7500 | Phenom II X2 B53 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.06 GHz | 2.8 GHz+164% |
| Base Clock | 1.06 GHz | 2.8 GHz+164% |
| L3 Cache | 0 kB | 6 MB (total) |
| L2 Cache | 2 MB+300% | 512 kB (per core) |
| Process | 65 nm | 45 nm-31% |
| Architecture | Merom-2048 (2006−2008) | Callisto (2009−2010) |
| PassMark | 1,116 | 1,137+2% |
| Geekbench 6 Single | 180 | 300+67% |
| Geekbench 6 Multi | 320 | 550+72% |
Memory & Platform
The Core 2 Duo U7500 uses the BGA479 socket (PCIe 1.1), while the Phenom II X2 B53 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-533 on the Core 2 Duo U7500 versus DDR3-1333 on the Phenom II X2 B53 — the Phenom II X2 B53 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Phenom II X2 B53 supports up to 16 GB of RAM compared to 2 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: GM965,945GME (Core 2 Duo U7500) and AM3,AM2+ (Phenom II X2 B53).
| Feature | Core 2 Duo U7500 | Phenom II X2 B53 |
|---|---|---|
| Socket | BGA479 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-533 | DDR3-1333+50% |
| Max RAM Capacity | 2 GB | 16 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization support: VT-x (Core 2 Duo U7500) vs Yes (Phenom II X2 B53). Primary use case: Core 2 Duo U7500 targets Ultra Low Voltage Laptop.
| Feature | Core 2 Duo U7500 | Phenom II X2 B53 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | — |
| AVX-512 | No | No |
| Virtualization | VT-x | Yes |
| Target Use | Ultra Low Voltage Laptop | — |
Value Analysis
The Core 2 Duo U7500 launched at $100 MSRP, while the Phenom II X2 B53 debuted at $150. At current prices ($10 vs $15), the Core 2 Duo U7500 is $5 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo U7500 delivers 111.6 pts/$ vs 75.8 pts/$ for the Phenom II X2 B53 — making the Core 2 Duo U7500 the 38.2% better value option.
| Feature | Core 2 Duo U7500 | Phenom II X2 B53 |
|---|---|---|
| MSRP | $100-33% | $150 |
| Avg Price (30d) | $10-33% | $15 |
| Performance per Dollar | 111.6+47% | 75.8 |
| Release Date | 2006 | 2009 |
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