Phenom II X4 905e vs Core i7-840QM
Phenom II X4 905e
Core i7-840QM
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 X4 905e is positioned at rank 316 and the Core i7-840QM is on rank 812, so the Phenom II X4 905e 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 X4 905e
Performance Per Dollar Core i7-840QM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X4 905e | Core i7-840QM |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Deneb (2009−2011) / 45 nm) | 🛑 Legacy (Clarksfield (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Phenom II X4 905e | Core i7-840QM |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 X4 905e and Core i7-840QM
Phenom II X4 905e
The Phenom II X4 905e is manufactured by AMD. It was released in 2 June 2009 (16 years ago). It is based on the Deneb (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,014 points. Launch price was $212.
Core i7-840QM
The Core i7-840QM is manufactured by Intel. It was released in 20 June 2010 (15 years ago). It is based on the Clarksfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 1.86 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: PGA988. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 2,025 points. Launch price was $568.
Processing Power
The Phenom II X4 905e packs 4 cores / 4 threads, matching the Core i7-840QM's 4 cores. Boost clocks reach 2.5 GHz on the Phenom II X4 905e versus 3.2 GHz on the Core i7-840QM — a 24.6% clock advantage for the Core i7-840QM (base: 2.5 GHz vs 1.86 GHz). The Phenom II X4 905e uses the Deneb (2009−2011) architecture (45 nm), while the Core i7-840QM uses Clarksfield (2009−2010) (45 nm). In PassMark, the Phenom II X4 905e scores 2,014 against the Core i7-840QM's 2,025 — a 0.5% lead for the Core i7-840QM. L3 cache: 6 MB (total) on the Phenom II X4 905e vs 8 MB (total) on the Core i7-840QM.
| Feature | Phenom II X4 905e | Core i7-840QM |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 2.5 GHz | 3.2 GHz+28% |
| Base Clock | 2.5 GHz+34% | 1.86 GHz |
| L3 Cache | 6 MB (total) | 8 MB (total)+33% |
| L2 Cache | 512 kB (per core)+100% | 256 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Deneb (2009−2011) | Clarksfield (2009−2010) |
| PassMark | 2,014 | 2,025 |
| Geekbench 6 Single | — | 390 |
| Geekbench 6 Multi | — | 1,050 |
Memory & Platform
The Phenom II X4 905e uses the AM3 socket (PCIe 2.0), while the Core i7-840QM uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X4 905e | Core i7-840QM |
|---|---|---|
| Socket | AM3 | PGA988 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 8 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Phenom II X4 905e) / VT-x, VT-d (Core i7-840QM). Primary use case: Core i7-840QM targets Laptop.
| Feature | Phenom II X4 905e | Core i7-840QM |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Laptop |
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