CPU Comparison
Intel Core i5-6600T vs Intel Core i5-7400T
A side-by-side comparison of specs, performance and value. The Intel Core i5-6600T is a 35W low-power quad-core Skylake processor providing a higher frequency ceiling than the 6500T, aimed at performance small form factor desktops.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Snappy for light tasks, but 4 threads limit heavy productivity workloads.
Good for office suites, but 4 threads limit heavy multitasking.
Gaming
Good burst performance for older games, but low base clock hinders sustained heavy gaming.
Not suitable for modern gaming; HD 630 is too weak.
Virtualization
Can run a light VM, but resources are quickly exhausted.
Lacks Hyper-Threading, making it poor for running multiple VMs.
Efficiency
Excellent performance-per-watt, typical of Intel's T-series bins.
Excellent power efficiency with a strict 35W TDP.
Specialized Performance
AI / ML
- No AI acceleration and low core counts make it unviable for AI tasks
- No AI acceleration
- Low core count limits compute performance
Content Creation
Gaming
- 3.5 GHz single-core turbo helps with older eSports titles
- Low base clock causes sluggishness in CPU-heavy open-world games
- Not recommended as a gaming CPU today
- Uses Intel HD 630 graphics
- Only capable of very old or simple 2D games
- No dedicated graphics hardware
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- High single-core turbo for a 35W part
- Excellent 3.3 GHz all-core turbo
- Runs very cool and quiet
- Supports both DDR3L and DDR4
Cons
- Only 4 threads
- Locked multiplier
- Low base clock of 2.7 GHz
- Hard to find outside of pre-built systems
Pros
- Very low 35W TDP for silent operation
- Good for basic office and media tasks
- Compatible with LGA 1151 motherboards
- Affordable on the used market
Cons
- Lacks Hyper-Threading (only 4 threads)
- Low clock speeds limit performance
- Weak integrated graphics
- Platform is end-of-life
Competitors & Alternatives
Intel Core i5-6600T
- Compare head-to-headIntel Core i5-6500TRival
Low Power Desktop
- AMD A10-8700PRival
Mobile/Low Power Desktop
- Compare head-to-headIntel Core i7-6700TRival
High-End Low Power
- Compare head-to-headIntel Core i5-4570TRival
Previous Gen Low Power
- AMD Ryzen 3 3200GERival
Low Power Desktop
6 cores, higher clocks, same 35W TDP on the used market.
Compare head-to-head- AMD Ryzen 5 5600GEAlt
6 cores/12 threads with vastly superior efficiency and performance.
- Intel Core i5-12400TAlt
Modern architecture with incredible low-power performance.
- Intel N100Alt
Cheaper, more modern low-power chip for basic NAS/HTPC use.
- AMD Ryzen 5 PRO 4650GEAlt
Best value 35W 6-core alternative for OEM systems.
Intel Core i5-7400T
- AMD Ryzen 3 1300XRival
Desktop
- AMD Ryzen 3 2200GRival
Desktop
- Intel Core i5-6400TRival
Desktop (Low Power)
- Intel Core i3-7100Rival
Desktop
- AMD A10-9700Rival
Desktop
More cores and better efficiency.
Compare head-to-head- AMD Ryzen 5 3400GEAlt
Better integrated graphics and SMT.
- Intel Core i3-10100TAlt
Hyper-Threading and higher clocks for similar power.
- Intel N100Alt
Modern low-power alternative with better efficiency.
- AMD Ryzen 3 3200GEAlt
Budget low-power alternative with Vega graphics.
Our Verdict on Each
The i5-6600T offers slightly more headroom than the 6500T within the same 35W limit, making it a slightly better choice for SFF refurbishing, though still outdated overall.
Best for: If you are picking up a used 1-liter PC (like a Lenovo ThinkCentre Tiny or HP EliteDesk Mini) for a home server, HTPC, or basic office terminal, the i5-6600T is a great little workhorse. It offers a nice balance between the lower clocks of the 6500T and the higher power draw of the 65W parts. It runs incredibly cool and is virtually silent. However, buying this chip standalone to build a new PC is a terrible idea. Modern budget processors deliver vastly superior performance and efficiency. If you have this CPU, an SSD and 16GB of RAM will make it feel incredibly responsive for daily tasks, but do not expect it to handle modern gaming or heavy creative workloads.
Read the full reviewA reliable low-power desktop CPU for basic tasks and SFF builds, but lacks Hyper-Threading and modern performance features.
Best for: Building a retro or extremely low-power silent PC for basic web browsing.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i5-6600T or Intel Core i5-7400T?
Based on our editorial ratings, the Intel Core i5-6600T comes out ahead with a score of 6.8/10. 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 i5-6600T or Intel Core i5-7400T?
For gaming, the Intel Core i5-6600T leads with a gaming performance score of 45/100 among Intel Core i5-6600T and Intel Core i5-7400T.
Do Intel Core i5-6600T and Intel Core i5-7400T use the same socket?
Yes — all of these CPUs use the LGA 1151 socket, so they share compatible motherboards.
Which is faster in multi-core benchmarks?
The Intel Core i5-6600T posts the highest multi-core benchmark score. Multi-core results: Intel Core i5-6600T (5,000), Intel Core i5-7400T (4,900). Benchmark figures are approximate and workload-dependent.