CPU Comparison
Intel Core i5-7400 vs Intel Core i7-7700T
A side-by-side comparison of specs, performance and value. The Intel Core i5-7400 is a mainstream desktop processor launched in early 2017 as part of the 7th Generation Kaby Lake lineup. Designed as the entry point for the Core i5 desktop family, it features four physical cores operating at a base frequency of 3.0 GHz, with the ability to boost up to 3.5 GHz. Manufactured on Intel's mature 14nm process, it fits into the standard 65-watt TDP envelope, making it compatible with a wide range of cooling solutions and motherboards. The chip lacks Hyper-Threading, handling four threads simultaneously, which was standard for i5 processors of this generation. It integrates Intel HD 630 graphics, providing adequate performance for everyday multimedia tasks and hardware-accelerated video decoding. Supporting dual-channel DDR4 memory at 2400 MT/s and featuring 16 PCIe 3.0 lanes, the i5-7400 was widely adopted in budget gaming rigs and office PCs. While it has been surpassed by modern processors, it remains a functional solution for basic computing needs and legacy system builds.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Solid performance for standard office tasks, but limited by 4 threads in heavy multitasking.
Good for office tasks, though newer CPUs offer much better performance.
Gaming
Can run older games well but will bottleneck modern GPUs significantly.
Basic gaming is possible with HD 630, but not for modern titles.
Virtualization
Basic VM support is possible, but performance is restricted by core count.
Can run light VMs but limited by 4 cores and 35W TDP.
Efficiency
65W TDP is well-managed and easy to cool.
Excellent efficiency for a desktop processor of its era.
Specialized Performance
AI / ML
- No AI acceleration hardware
- Will struggle with any local AI inference
- No dedicated AI hardware
Content Creation
Gaming
- Heavily bottlenecked by 4 threads in modern titles
- Acceptable for retro or e-sports titles with a low-end GPU
- HD 630 not suitable for modern gaming without a dedicated GPU
- HD 630 is not meant for gaming
- Can run older or 2D games
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Good single-core performance for basic tasks
- Low 65W TDP is easy to cool
- Hardware video decoding for modern codecs
- Widely compatible with LGA 1151 motherboards
- Affordable on the used market
Cons
- Only 4 threads limits modern multitasking
- Locked multiplier prevents overclocking
- No PCIe Gen 4 support
- Bottlenecks modern mid-range GPUs
- Not supported on Windows 11 officially
Pros
- Ultra-low 35W TDP
- Good for silent or fanless builds
- Solid single-core performance
- Includes HD 630 graphics
Cons
- Only 4 cores
- Locked multiplier
- 14nm process is outdated
- LGA 1151 is a dead platform
Competitors & Alternatives
Intel Core i5-7400
- AMD Ryzen 3 1200Rival
Desktop
- AMD Ryzen 5 1400Rival
Desktop
- Intel Core i3-7100Rival
Desktop
- Intel Core i5-6400Rival
Desktop
- AMD FX-8350Rival
Desktop
Successor with 6 cores, offering vastly superior modern performance.
Compare head-to-head- AMD Ryzen 5 1600Alt
Contemporary AMD alternative with 6 cores and 12 threads.
A slight step up in clock speeds if sticking to 7th Gen.
Compare head-to-head- AMD Ryzen 5 3600Alt
A much better modern alternative for a budget build.
A modern budget CPU that destroys this chip in every metric.
Compare head-to-head
Intel Core i7-7700T
- AMD Ryzen 5 1400Rival
Desktop
- AMD Ryzen 5 2400GERival
Desktop
- Compare head-to-headIntel Core i5-7500TRival
Desktop
- Compare head-to-headIntel Core i7-6700TRival
Desktop
- AMD Ryzen 3 2200GERival
Desktop
Modern alternative with much better performance and efficiency.
Compare head-to-head- AMD Ryzen 5 5600GAlt
Superior integrated graphics and CPU performance.
- Intel Core i5-12400Alt
Modern 6-core alternative with an upgrade path.
- AMD Ryzen 5 4600GAlt
Great budget APU for small form factor builds.
6-core low-power alternative on the same socket.
Compare head-to-head
Our Verdict on Each
A standard quad-core CPU of its era that handles basic tasks well, but lacks Hyper-Threading and is heavily bottlenecked in modern multi-threaded workloads.
Best for: Keeping an existing LGA 1151 system alive for basic office work.
Read the full reviewA highly efficient 35W desktop CPU that offers solid quad-core performance for compact builds, though it is outclassed by modern alternatives in both speed and efficiency.
Best for: If you are considering the Intel Core i7-7700T today, it should only be for specific budget or replacement scenarios. It is an excellent choice if you are building a small form factor PC for basic office work, web browsing, or as a home theater PC, where its 35W TDP allows for silent or fanless operation. However, for new builds, modern processors offer significantly better performance and efficiency. The 7700T is best purchased used or refurbished at a low price. Avoid this processor if you need to do any modern gaming, heavy video editing, or if you want an upgrade path, as the LGA 1151 socket is obsolete. It is a solid, reliable chip for basic computing needs in constrained environments.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i5-7400 or Intel Core i7-7700T?
Based on our editorial ratings, the Intel Core i7-7700T comes out ahead with a score of 7.5/10. 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, Intel Core i5-7400 or Intel Core i7-7700T?
For gaming, the Intel Core i7-7700T leads with a gaming performance score of 50/100 among Intel Core i5-7400 and Intel Core i7-7700T.
Which uses less power?
The Intel Core i7-7700T has the lowest rated TDP. Power draw across these chips: Intel Core i5-7400 (65 W), Intel Core i7-7700T (35 W).
Do Intel Core i5-7400 and Intel Core i7-7700T use the same socket?
Yes — all of these CPUs use the Intel Socket 1151 socket, so they share compatible motherboards.
Which is faster in multi-core benchmarks?
The Intel Core i5-7400 posts the highest multi-core benchmark score. Multi-core results: Intel Core i5-7400 (5,200). Benchmark figures are approximate and workload-dependent.