
Phenom II X3 B77

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

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.

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.
Processing Power
The Phenom II X3 B77 packs 3 cores / 3 threads, while the Pentium M 765 offers 1 cores / 1 threads — the Phenom II X3 B77 has 2 more cores. Boost clocks reach 3.2 GHz on the Phenom II X3 B77 versus 2.1 GHz on the Pentium M 765 — a 41.5% clock advantage for the Phenom II X3 B77 (base: 3.2 GHz vs 2.1 GHz). The Phenom II X3 B77 uses the Heka (2009−2010) architecture (45 nm), while the Pentium M 765 uses Dothan (2004−2005) (90 nm). In PassMark, the Phenom II X3 B77 scores 1,844 against the Pentium M 765's 1,834 — a 0.5% lead for the Phenom II X3 B77. L3 cache: 6 MB (total) on the Phenom II X3 B77 vs 0 kB on the Pentium M 765.
| Feature | Phenom II X3 B77 | Pentium M 765 |
|---|---|---|
| Cores / Threads | 3 / 3+200% | 1 / 1 |
| Boost Clock | 3.2 GHz+52% | 2.1 GHz |
| Base Clock | 3.2 GHz+52% | 2.1 GHz |
| L3 Cache | 6 MB (total) | 0 kB |
| L2 Cache | 512 kB (per core) | 2 MB+300% |
| Process | 45 nm-50% | 90 nm |
| Architecture | Heka (2009−2010) | Dothan (2004−2005) |
| PassMark | 1,844 | 1,834 |
Memory & Platform
The Phenom II X3 B77 uses the AM3 socket (PCIe 2.0), while the Pentium M 765 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Phenom II X3 B77 versus DDR2-533 on the Pentium M 765 — 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: 0 (Phenom II X3 B77) vs 16 (Pentium M 765) — the Pentium M 765 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM3 (Phenom II X3 B77) and 915GM,945GT (Pentium M 765).
| Feature | Phenom II X3 B77 | Pentium M 765 |
|---|---|---|
| Socket | AM3 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333+50% | DDR2-533 |
| Max RAM Capacity | 32 GB+700% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Phenom II X3 B77) / false (Pentium M 765).
| Feature | Phenom II X3 B77 | Pentium M 765 |
|---|---|---|
| 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.

















