Core i7-640LM vs Phenom X4 9750B
Core i7-640LM
Phenom X4 9750B
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 i7-640LM is positioned at rank 333 and the Phenom X4 9750B is on rank 1047, 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 Core i7-640LM
Performance Per Dollar Phenom X4 9750B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-640LM | Phenom X4 9750B |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($34) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Agena (2007−2008) / 65 nm) |
💎 Value Proposition
| Insight | Core i7-640LM | Phenom X4 9750B |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($34) |
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 i7-640LM and Phenom X4 9750B
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.
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.
Processing Power
The Core i7-640LM packs 2 cores / 4 threads, while the Phenom X4 9750B offers 4 cores / 4 threads — the Phenom X4 9750B has 2 more cores. Boost clocks reach 2.93 GHz on the Core i7-640LM versus 2.4 GHz on the Phenom X4 9750B — a 19.9% clock advantage for the Core i7-640LM. The Core i7-640LM uses the Arrandale (2010−2011) architecture (32 nm), while the Phenom X4 9750B uses Agena (2007−2008) (65 nm). In PassMark, the Core i7-640LM scores 1,529 against the Phenom X4 9750B's 1,520 — a 0.6% lead for the Core i7-640LM. L3 cache: 4 MB (total) on the Core i7-640LM vs 2 MB (total) on the Phenom X4 9750B.
| Feature | Core i7-640LM | Phenom X4 9750B |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 2.93 GHz+22% | 2.4 GHz |
| Base Clock | 2.13 GHz | — |
| L3 Cache | 4 MB (total)+100% | 2 MB (total) |
| L2 Cache | 256 kB (per core) | 512 kB (per core)+100% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Arrandale (2010−2011) | Agena (2007−2008) |
| PassMark | 1,529 | 1,520 |
| Geekbench 6 Single | — | 300 |
| Geekbench 6 Multi | — | 1,000 |
Memory & Platform
The Core i7-640LM uses the BGA1288 socket (PCIe 2.0), while the Phenom X4 9750B uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Core i7-640LM versus DDR2-1066 on the Phenom X4 9750B — the Core i7-640LM supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM55,HM57,QM57,QS57 (Core i7-640LM) and AM2+,AM2 (Phenom X4 9750B).
| Feature | Core i7-640LM | Phenom X4 9750B |
|---|---|---|
| Socket | BGA1288 | AM2+ |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | 1066+53200% | DDR2-1066 |
| Max RAM Capacity | 8 | 8 GB+104857500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Core i7-640LM) vs AMD-V (Phenom X4 9750B). 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 | Core i7-640LM | Phenom X4 9750B |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics (Ironlake) | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | AMD-V |
| Target Use | — | Legacy Desktop |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i7-640LM and Phenom X4 9750B
