CPU Comparison

Intel Core i7-3615QE vs Intel Core i7-2715QE

A side-by-side comparison of specs, performance and value. The Intel Core i7-3615QE is a high-performance mobile embedded processor launched in April 2012 as part of the Ivy Bridge family. The 'QE' suffix denotes its focus on quad-core embedded systems, operating at a 45-watt TDP. Built on Intel's 22nm process, it features 4 physical cores and 8 threads, a significant upgrade over the dual-core ULV variants. The processor runs at a base clock of 2.3 GHz and can boost up to 3.3 GHz. It includes 6MB of L3 cache and supports dual-channel DDR3 memory. A standout feature of the 3615QE is its support for ECC (Error-Correcting Code) memory, making it suitable for industrial PCs, medical imaging, and critical embedded systems. While its 45W TDP requires active cooling, its combination of quad-core performance, ECC support, and Intel HD Graphics 4000 makes it a powerful chip for demanding industrial applications.

Intel · Core i7
Intel Core i7-3615QE
4C / 8T3.3 GHz45 W
6
Full review
Top pick
Intel · Core i7
Intel Core i7-2715QE
4C / 8T3 GHz45 W
7
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Mobile
Mobile
Segment
Mobile
Mobile
Generation
3rd Gen Core i7
2nd Generation
Launched
2012
2011
Status
End-of-life
End-of-life
Codename
Ivy Bridge
Sandy Bridge
Series
Core i7
Core i7
Family
Ivy Bridge
Sandy Bridge
Predecessor
Intel Core i7-2715QE
Intel Core i7-740QM
Successor
Intel Core i7-4700EQ
Intel Core i7-3612QE

Specifications Compared

Cores & Clocks
Cores
4
4
Threads
8
8
Base Clock
2.3 GHz
2.1 GHz
Boost Clock
3.3 GHz
3 GHz
Cache & Power
L3 Cache
6 MB
6 MB
TDP
45 W
45 W
Architecture
Architecture
Ivy Bridge
Sandy Bridge
Process Node
22nm
32nm
Memory
Memory Type
DDR3
DDR3
Memory Speed
1600 MT/s
DDR3-1333
Memory Channels
Dual (2)
Dual (2)
Max Memory
32 GB
32 GB
Platform & I/O
Socket
Intel BGA 1023
BGA 1023
PCIe Version
PCIe 3.0
PCIe 2.0
PCIe Lanes
16
16
Integrated GPU
Yes
Yes
Unlocked
No
No

Performance Compared

Productivity

Intel Core i7-3615QEBest40

Handles office tasks well but slow for modern rendering.

Intel Core i7-2715QE30

Adequate for light office tasks but slow for heavy workloads.

Gaming

Intel Core i7-3615QE20

Not intended for gaming, but can run older titles.

Intel Core i7-2715QE20

Obsolete for modern gaming; HD 3000 cannot handle new titles.

Virtualization

Intel Core i7-3615QE35

Can run basic VMs but limited by 4 cores.

Intel Core i7-2715QE35

Supports VT-x but limited by 45W thermal constraints.

Efficiency

Intel Core i7-3615QE20

45W TDP is inefficient by modern embedded standards.

Intel Core i7-2715QEBest25

32nm process is inefficient by today's mobile standards.

Specialized Performance

AI / ML

Intel Core i7-3615QENone
  • No AI hardware
Intel Core i7-2715QENone
  • No AI acceleration
  • Extremely slow compute

Content Creation

Intel Core i7-3615QEPoor
Basic Display OutputLight 1080p Editing
Intel Core i7-2715QEPoor
Basic audio processingDocument editing

Gaming

Intel Core i7-3615QEPoor
  • Not intended for gaming
  • HD 4000 is too weak for modern titles
Intel Core i7-2715QEPoor
  • Only suitable for retro games
  • No AVX2 support
  • Weak integrated graphics

Industry Impact

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

Best CPU by Use Case

Embedded Systems
Very Good
Excellent
Industrial PCs
Very Good
Medical Imaging
Good
Web Browsing
Good
Office Productivity
Good
Legacy Laptops
Good
Digital Signage
Very Good
Modern Gaming
Poor
Video Editing
Poor

Target Audience

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

Strengths & Weaknesses

Intel Core i7-3615QE

Pros

  • ECC memory support
  • 4 cores with Hyper-Threading
  • VT-x and VT-d virtualization
  • HD 4000 graphics

Cons

  • High 45W TDP
  • Very slow for modern tasks
  • No Windows 11 support
  • Soldered to motherboard
Intel Core i7-2715QE

Pros

  • Soldered BGA package for durability
  • Good sustained performance for 2011
  • Hardware AES-NI support
  • Long embedded lifecycle availability

Cons

  • Cannot be upgraded (soldered)
  • 45W TDP requires active cooling
  • Obsolete integrated graphics
  • Lacks AVX2 support

Competitors & Alternatives

Intel Core i7-3615QE

  • AMD Embedded R-464L

    Embedded

    Rival
  • Compare head-to-head
  • Intel Core i5-3610QE

    Embedded

    Rival
  • AMD Embedded G-T40N

    Embedded

    Rival
  • Intel Atom E3845

    Embedded

    Rival
  • Intel Core i7-4700EQ
    Alt

    Successor with better performance and efficiency.

  • Intel Core i7-9700T
    Alt

    Modern embedded alternative with 8 cores.

  • AMD Ryzen Embedded V1605B
    Alt

    Modern embedded alternative with Vega graphics.

  • Lower 35W TDP alternative.

    Compare head-to-head
  • Intel Xeon E-2176G
    Alt

    Modern server alternative with ECC support.

Intel Core i7-2715QE

Our Verdict on Each

A capable 2012 embedded quad-core chip with ECC support, but inefficient by modern standards.

Best for: If you are considering the Intel Core i7-3615QE, you are likely maintaining an older industrial PC or a specialized embedded system. This processor should not be sought for consumer use, as its 45W TDP and older 22nm architecture make it inefficient for modern laptops and ultrabooks. It is only recommended if you need to keep a specific legacy system running that requires a direct replacement part with ECC memory support. Avoid using this CPU for general web browsing or modern office work, as there are much cheaper and faster alternatives available. It is best utilized in its original context: high-performance, always-on embedded systems where stability is paramount. For any new industrial builds, modern embedded processors offer vastly superior performance, security, and power efficiency.

Read the full review

A solid embedded quad-core CPU that provided excellent longevity for industrial applications, now obsolete.

Best for: The Core i7-2715QE is an End-of-Life processor that is no longer viable for new designs. Because it is a BGA-packaged chip, it is soldered directly to the motherboard and cannot be upgraded. If you are maintaining an older embedded system or industrial PC that uses this processor, it remains functional for basic tasks and legacy software. However, any new project should utilize modern Intel or AMD embedded processors that offer significantly better performance per watt, smaller footprints, and modern I/O like PCIe 4.0 and USB 3.2. Finding replacement boards for this chip is becoming difficult, making it a poor choice for critical infrastructure. It is best left to repair existing hardware rather than seeking it out for new builds.

Read the full review

Frequently Asked Questions

Which is better, Intel Core i7-3615QE or Intel Core i7-2715QE?

Based on our editorial ratings, the Intel Core i7-2715QE comes out ahead with a score of 7/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.

Do Intel Core i7-3615QE and Intel Core i7-2715QE use the same socket?

No. They use different sockets (Intel Core i7-3615QE: Intel BGA 1023, Intel Core i7-2715QE: BGA 1023), so each needs a compatible motherboard.

Which is faster in multi-core benchmarks?

The Intel Core i7-2715QE posts the highest multi-core benchmark score. Multi-core results: Intel Core i7-2715QE (3,800). Benchmark figures are approximate and workload-dependent.