Phenom X4 9750B vs Core i7-640LM
Phenom X4 9750B
Core i7-640LM
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 X4 9750B is positioned at rank 1047 and the Core i7-640LM is on rank 333, so the Core i7-640LM offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom X4 9750B
Performance Per Dollar Core i7-640LM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom X4 9750B | Core i7-640LM |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($34) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Agena (2007−2008) / 65 nm) | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Phenom X4 9750B | Core i7-640LM |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($34) | ✅ 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 X4 9750B and Core i7-640LM
Phenom X4 9750B
The Phenom X4 9750B is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 2.4 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,520 points. Launch price was $149.
Core i7-640LM
The Core i7-640LM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2.13 GHz, with boost up to 2.93 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 25 Watt. Memory support: DDR3-800, DDR3-1066. Passmark benchmark score: 1,529 points. Launch price was $332.
Processing Power
The Phenom X4 9750B packs 4 cores / 4 threads, while the Core i7-640LM offers 2 cores / 4 threads — the Phenom X4 9750B has 2 more cores. Boost clocks reach 2.4 GHz on the Phenom X4 9750B versus 2.93 GHz on the Core i7-640LM — a 19.9% clock advantage for the Core i7-640LM. The Phenom X4 9750B uses the Agena (2007−2008) architecture (65 nm), while the Core i7-640LM uses Arrandale (2010−2011) (32 nm). In PassMark, the Phenom X4 9750B scores 1,520 against the Core i7-640LM's 1,529 — a 0.6% lead for the Core i7-640LM. L3 cache: 2 MB (total) on the Phenom X4 9750B vs 4 MB (total) on the Core i7-640LM.
| Feature | Phenom X4 9750B | Core i7-640LM |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 4 |
| Boost Clock | 2.4 GHz | 2.93 GHz+22% |
| Base Clock | — | 2.13 GHz |
| L3 Cache | 2 MB (total) | 4 MB (total)+100% |
| L2 Cache | 512 kB (per core)+100% | 256 kB (per core) |
| Process | 65 nm | 32 nm-51% |
| Architecture | Agena (2007−2008) | Arrandale (2010−2011) |
| PassMark | 1,520 | 1,529 |
| Geekbench 6 Single | 300 | — |
| Geekbench 6 Multi | 1,000 | — |
Memory & Platform
The Phenom X4 9750B uses the AM2+ socket (PCIe 2.0), while the Core i7-640LM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-1066 on the Phenom X4 9750B versus 1066 on the Core i7-640LM — the Core i7-640LM supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: AM2+,AM2 (Phenom X4 9750B) and HM55,HM57,QM57,QS57 (Core i7-640LM).
| Feature | Phenom X4 9750B | Core i7-640LM |
|---|---|---|
| Socket | AM2+ | BGA1288 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR2-1066 | 1066+53200% |
| Max RAM Capacity | 8 GB+104857500% | 8 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (Phenom X4 9750B) vs true (Core i7-640LM). The Core i7-640LM includes integrated graphics (Intel HD Graphics (Ironlake)), while the Phenom X4 9750B requires a dedicated GPU. Primary use case: Phenom X4 9750B targets Legacy Desktop. Direct competitor: Core i7-640LM rivals Core 2 Duo SL9400.
| Feature | Phenom X4 9750B | Core i7-640LM |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel HD Graphics (Ironlake) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | true |
| Target Use | Legacy Desktop | — |
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