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.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Handles office tasks well but slow for modern rendering.
Adequate for light office tasks but slow for heavy workloads.
Gaming
Not intended for gaming, but can run older titles.
Obsolete for modern gaming; HD 3000 cannot handle new titles.
Virtualization
Can run basic VMs but limited by 4 cores.
Supports VT-x but limited by 45W thermal constraints.
Efficiency
45W TDP is inefficient by modern embedded standards.
32nm process is inefficient by today's mobile standards.
Specialized Performance
AI / ML
- No AI hardware
- No AI acceleration
- Extremely slow compute
Content Creation
Gaming
- Not intended for gaming
- HD 4000 is too weak for modern titles
- Only suitable for retro games
- No AVX2 support
- Weak integrated graphics
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
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
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-464LRival
Embedded
- Compare head-to-headIntel Core i7-2715QERival
Embedded
- Intel Core i5-3610QERival
Embedded
- AMD Embedded G-T40NRival
Embedded
- Intel Atom E3845Rival
Embedded
- Intel Core i7-4700EQAlt
Successor with better performance and efficiency.
- Intel Core i7-9700TAlt
Modern embedded alternative with 8 cores.
- AMD Ryzen Embedded V1605BAlt
Modern embedded alternative with Vega graphics.
Lower 35W TDP alternative.
Compare head-to-head- Intel Xeon E-2176GAlt
Modern server alternative with ECC support.
Intel Core i7-2715QE
- AMD A8-3510MXRival
Mobile
- Compare head-to-headIntel Core i7-2635QMRival
Mobile
- Compare head-to-headIntel Core i7-2710QERival
Mobile
- AMD Embedded G-T56NRival
Embedded
- Intel Core i5-2515QERival
Embedded
Ivy Bridge successor with lower power.
Compare head-to-head- AMD Ryzen Embedded V1605BAlt
Modern embedded alternative with Vega graphics.
- Intel Atom x5-Z8350Alt
Lower power embedded alternative for basic tasks.
- Intel Core i3-3217UEAlt
Lower power Ivy Bridge embedded chip.
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 reviewA 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 reviewFrequently 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.