CPU Comparison
Core i7-640M vs Core i7-620M
A side-by-side comparison of specs, performance and value. The Intel Core i7-640M (BGA) is a high-end mobile dual-core processor launched in September 2010. Based on the Arrandale architecture, it features 2 cores and 4 threads with a base clock of 2.8 GHz and a turbo boost up to 3.46 GHz. Unlike its Socket G1 counterpart, this variant utilizes the BGA 1288 socket, meaning it is soldered directly to the motherboard. It includes 4MB of L3 cache and Intel HD Graphics (Ironlake) for everyday multimedia tasks.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
High clocks help with legacy office apps.
Struggles with modern web and office software.
Gaming
Weak IGP cannot handle modern games.
Can run very old games, but lacks modern instructions.
Virtualization
Basic VMs are fine but limited by core count.
Can run basic VMs but lacks RAM support.
Efficiency
Standard 35W efficiency for the era.
35W for 2 cores is inefficient by modern standards.
Specialized Performance
AI / ML
- No AI hardware
- No AI capabilities.
Content Creation
Gaming
- Ironlake graphics are too weak
- No modern API support
- Ironlake graphics are too weak; relies on discrete GPUs. Lacks AVX2.
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Extremely high clock speeds
- Soldered package for durability
- Integrated HD Graphics
- Strong single-core performance
Cons
- Cannot be upgraded (BGA)
- Obsolete by modern standards
- Weak integrated graphics
- Limited memory speed
Pros
- Very high clock speeds for 2010
- Good single-threaded performance
- Socketed design allows replacement
- Included AES-NI
Cons
- Only 2 cores
- Obsolete integrated graphics
- High 35W TDP for a dual-core
- Lacks modern instruction sets
Competitors & Alternatives
Core i7-640M
- AMD Phenom II N930Rival
Mobile
- Intel Core i7-620MRival
Mobile
- AMD Turion II Ultra M640Rival
Mobile
- Intel Core i7-720QMRival
Mobile
- Compare head-to-headIntel Core i5-540MRival
Mobile
- Intel Core i7-640M (rPGA)Alt
Socketed version if upgradeability is needed.
- AMD Phenom II P920Alt
AMD quad-core alternative.
- Intel Core i7-2640MAlt
Newer Sandy Bridge alternative.
Core i7-620M
- Intel Core 2 Duo P9700Rival
Mobile
- AMD Phenom II P920Rival
Mobile
- Compare head-to-headIntel Core i5-430MRival
Mobile
- Intel Core i7-640MRival
Mobile
- AMD Turion II Ultra M640Rival
Mobile
Modern mobile alternative with massive multi-core gains.
Compare head-to-head- AMD Ryzen 5 5625UAlt
Modern efficient mobile chip.
- Intel Core i7-2620MAlt
Sandy Bridge successor.
- Intel N100Alt
Modern budget alternative.
- Alt
Modern ARM comparison.
Compare head-to-head
Our Verdict on Each
A top-tier Arrandale processor offering excellent 2010 performance, but the BGA package means no upgrades are possible.
Best for: Legacy laptop repair
Read the full reviewA high-performance standard-voltage mobile CPU for 2010, but completely obsolete by modern standards.
Best for: Legacy laptop repair
Read the full reviewFrequently Asked Questions
Which is better, Core i7-640M or Core i7-620M?
Based on our editorial ratings, the Core i7-640M comes out ahead with a score of 6/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.
Which is faster for gaming, Core i7-640M or Core i7-620M?
For gaming, the Core i7-640M leads with a gaming performance score of 20/100 among Core i7-640M and Core i7-620M.
Do Core i7-640M and Core i7-620M use the same socket?
No. They use different sockets (Core i7-640M: Intel BGA 1288, Core i7-620M: Socket G1 (rPGA988A)), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Core i7-620M posts the highest multi-core benchmark score. Multi-core results: Core i7-620M (2,200). Benchmark figures are approximate and workload-dependent.