
Pentium M 765 vs Phenom II X3 B77

Pentium M 765

Phenom II X3 B77
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 M 765 is positioned at rank 918 and the Phenom II X3 B77 is on rank 1057, so the Pentium M 765 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium M 765
Performance Per Dollar Phenom II X3 B77
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium M 765 | Phenom II X3 B77 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($35) |
| Longevity | 🛑 Legacy (Dothan (2004−2005) / 90 nm) | 🛑 Legacy (Heka (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Pentium M 765 | Phenom II X3 B77 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ 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 M 765 and Phenom II X3 B77

Pentium M 765
The Pentium M 765 is manufactured by Intel. It was released in 2007-01-01. It is based on the Dothan (2004−2005) architecture. It features 1 cores and 1 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 90 nm process technology. Socket: PGA478. Thermal design power (TDP): 7.5 Watt. Memory support: DDR2. Passmark benchmark score: 1,834 points. Launch price was $69.

Phenom II X3 B77
The Phenom II X3 B77 is manufactured by AMD. It was released in 2009-01-01. It is based on the Heka (2009−2010) architecture. It features 3 cores and 3 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,844 points. Launch price was $149.
Processing Power
The Pentium M 765 packs 1 cores / 1 threads, while the Phenom II X3 B77 offers 3 cores / 3 threads — the Phenom II X3 B77 has 2 more cores. Boost clocks reach 2.1 GHz on the Pentium M 765 versus 3.2 GHz on the Phenom II X3 B77 — a 41.5% clock advantage for the Phenom II X3 B77 (base: 2.1 GHz vs 3.2 GHz). The Pentium M 765 uses the Dothan (2004−2005) architecture (90 nm), while the Phenom II X3 B77 uses Heka (2009−2010) (45 nm). In PassMark, the Pentium M 765 scores 1,834 against the Phenom II X3 B77's 1,844 — a 0.5% lead for the Phenom II X3 B77. L3 cache: 0 kB on the Pentium M 765 vs 6 MB (total) on the Phenom II X3 B77.
| Feature | Pentium M 765 | Phenom II X3 B77 |
|---|---|---|
| Cores / Threads | 1 / 1 | 3 / 3+200% |
| Boost Clock | 2.1 GHz | 3.2 GHz+52% |
| Base Clock | 2.1 GHz | 3.2 GHz+52% |
| L3 Cache | 0 kB | 6 MB (total) |
| L2 Cache | 2 MB+300% | 512 kB (per core) |
| Process | 90 nm | 45 nm-50% |
| Architecture | Dothan (2004−2005) | Heka (2009−2010) |
| PassMark | 1,834 | 1,844 |
Memory & Platform
The Pentium M 765 uses the PGA478 socket (PCIe 1.1), while the Phenom II X3 B77 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-533 on the Pentium M 765 versus DDR3-1333 on the Phenom II X3 B77 — the Phenom II X3 B77 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Phenom II X3 B77 supports up to 32 GB of RAM compared to 4 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Pentium M 765) vs 0 (Phenom II X3 B77) — the Pentium M 765 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 915GM,945GT (Pentium M 765) and AM3 (Phenom II X3 B77).
| Feature | Pentium M 765 | Phenom II X3 B77 |
|---|---|---|
| Socket | PGA478 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-533 | DDR3-1333+50% |
| Max RAM Capacity | 4 GB | 32 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Virtualization: false (Pentium M 765) / not specified (Phenom II X3 B77).
| Feature | Pentium M 765 | Phenom II X3 B77 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | false | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















