CPU Comparison

Intel Core i7-4930MX vs Intel Core i7-4940MX

A side-by-side comparison of specs, performance and value. The Intel Core i7-4930MX is an extreme edition mobile processor designed for the absolute highest-performance gaming and workstation laptops. Released in 2013 as part of the Haswell lineup, it features four cores and eight threads. What sets it apart from standard MQ chips is its unlocked multiplier, allowing enthusiasts to overclock the CPU for maximum performance. Operating at a base clock of 3.0 GHz and boosting up to 3.9 GHz, it delivers exceptional single-threaded and multi-threaded speed. It includes a full 8 MB of L3 SmartCache and carries a 57-watt thermal design power, reflecting its focus on raw performance over battery life. The integrated Intel HD 4600 graphics are present, though such systems invariably use discrete GPUs. This CPU was the pinnacle of mobile computing power in 2013, catering to a niche audience of hardcore enthusiasts willing to pay a premium for unlocked mobile overclocking.

Intel · Core i7
Intel Core i7-4930MX
4C / 8T3.9 GHz57 W
8
Full review
Intel · Core i7
Intel Core i7-4940MX
4C / 8T4 GHz57 W
8
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Mobile
Mobile
Segment
Mobile Extreme
Mobile Extreme
Generation
Core i7 Extreme (Haswell)
Core i7 Extreme (Haswell)
Launched
2013
2014
Status
End-of-life
End-of-life
Codename
Haswell
Haswell
Series
Core i7
Core i7
Family
4th Generation
4th Generation
Predecessor
Intel Core i7-3940XM
Intel Core i7-4930MX
Successor
Intel Core i7-4940MX
Intel Core i7-5950HQ

Specifications Compared

Cores & Clocks
Cores
4
4
Threads
8
8
Base Clock
3 GHz
3.1 GHz
Boost Clock
3.9 GHz
4 GHz
Cache & Power
L3 Cache
8 MB
8 MB
TDP
57 W
57 W
Architecture
Architecture
Haswell
Haswell
Process Node
22nm
22nm
Memory
Memory Type
DDR3
DDR3
Memory Speed
1600 MT/s
1600 MT/s
Memory Channels
Dual (2)
Dual (2)
Max Memory
32 GB
32 GB
Platform & I/O
Socket
Intel Socket G3
Intel Socket G3
PCIe Version
Gen 3
Gen 3
PCIe Lanes
16
16
Integrated GPU
Yes
Yes
Unlocked
Yes
Yes

Performance Compared

Productivity

Intel Core i7-4930MX78

8 threads and high clocks make quick work of compiling and rendering.

Intel Core i7-4940MXBest79

8 threads and 4.0 GHz boost make quick work of compiling and rendering.

Gaming

Intel Core i7-4930MX65

Excellent for older games and can handle modern eSports easily with a discrete GPU.

Intel Core i7-4940MXBest66

Excellent for older games and can handle modern eSports easily with a discrete GPU.

Virtualization

Intel Core i7-4930MX68

Good for running VMs, though limited by mobile platform constraints.

Intel Core i7-4940MX68

Good for running VMs, though limited by mobile platform constraints.

Efficiency

Intel Core i7-4930MX40

57W TDP is very power-hungry for a mobile chip, resulting in poor battery life.

Intel Core i7-4940MX40

57W TDP is very power-hungry for a mobile chip, resulting in poor battery life.

Specialized Performance

AI / ML

Intel Core i7-4930MXLimited
  • No AI hardware
  • CPU inference is slow
Intel Core i7-4940MXLimited
  • No AI hardware
  • CPU inference is slow

Content Creation

Intel Core i7-4930MXVery Good
Premiere ProAutoCADBlenderVisual Studio
Intel Core i7-4940MXVery Good
Premiere ProAutoCADBlenderVisual Studio

Gaming

Intel Core i7-4930MXVery Good
  • Won't bottleneck 2013-era GPUs
  • Can be overclocked for extra FPS
  • Requires massive laptop cooling
Intel Core i7-4940MXVery Good
  • Won't bottleneck 2014-era GPUs
  • Can be overclocked for extra FPS
  • Requires massive laptop cooling

Industry Impact

Gaming
High
High
Workstations
Moderate
Moderate
Content Creation
Moderate
Moderate
Virtualization
Low
Low

Best CPU by Use Case

Extreme Gaming (with GPU)
Excellent
Excellent
Mobile Overclocking
Excellent
Excellent
3D Rendering
Very Good
Very Good
Video Editing
Very Good
Very Good
Heavy Multitasking
Excellent
Excellent

Target Audience

Gamers
Targeted
Targeted
Content Creators
Targeted
Targeted
Developers
Targeted
Targeted
Workstation Users
Targeted
Targeted
Streamers
Office / Productivity
Students

Strengths & Weaknesses

Intel Core i7-4930MX

Pros

  • Unlocked multiplier
  • Full 8MB L3 cache
  • High 3.9 GHz turbo boost
  • Removable PGA socket

Cons

  • Extremely high 57W TDP
  • Runs very hot
  • Expensive launch price
  • Poor battery life
Intel Core i7-4940MX

Pros

  • 4.0 GHz turbo boost
  • Unlocked multiplier
  • Full 8MB L3 cache
  • Removable PGA socket

Cons

  • Extremely high 57W TDP
  • Runs very hot
  • Expensive launch price
  • Poor battery life

Competitors & Alternatives

Intel Core i7-4930MX

Intel Core i7-4940MX

Our Verdict on Each

A legendary mobile CPU that brought unlocked overclocking to laptops, offering desktop-level performance for enthusiasts.

Best for: Collecting vintage gaming laptops or extreme budget used systems.

Read the full review

A legendary mobile CPU that hit 4.0 GHz and offered unlocked overclocking, providing desktop-level performance for laptops.

Best for: Collecting vintage gaming laptops or extreme budget used systems.

Read the full review

Frequently Asked Questions

Which is faster for gaming, Intel Core i7-4930MX or Intel Core i7-4940MX?

For gaming, the Intel Core i7-4940MX leads with a gaming performance score of 66/100 among Intel Core i7-4930MX and Intel Core i7-4940MX.

Do Intel Core i7-4930MX and Intel Core i7-4940MX use the same socket?

Yes — all of these CPUs use the Intel Socket G3 socket, so they share compatible motherboards.

Which is faster in multi-core benchmarks?

The Intel Core i7-4940MX posts the highest multi-core benchmark score. Multi-core results: Intel Core i7-4930MX (6,000), Intel Core i7-4940MX (6,200). Benchmark figures are approximate and workload-dependent.