CPU Comparison

Intel Core i5-6500 vs Intel Core i5-6600T

A side-by-side comparison of specs, performance and value. The Intel Core i5-6500 is a 6th generation Skylake quad-core processor designed for mainstream desktop users, offering solid base performance and DDR4 memory support without the premium of an unlocked multiplier.

Top pick
Intel · Core i5
Intel Core i5-6500
4C / 4T3.6 GHz65 W
7
Full review
Intel · Core i5
Intel Core i5-6600T
4C / 4T3.5 GHz35 W
6.8
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Desktop
Desktop
Segment
Mainstream Desktop
Low Power Desktop
Generation
6th Gen (Skylake)
6th Gen (Skylake)
Launched
2015
2015
Status
End-of-life
End-of-life
Codename
Skylake
Skylake
Series
Core i5
Core i5
Family
6th Gen (Skylake)
6th Gen (Skylake)
Predecessor
Intel Core i5-4590
Intel Core i5-4570T
Successor
Intel Core i5-7500
Intel Core i5-7600T

Specifications Compared

Cores & Clocks
Cores
4
4
Threads
4
4
Base Clock
3.2 GHz
2.7 GHz
Boost Clock
3.6 GHz
3.5 GHz
Cache & Power
L3 Cache
6 MB
6 MB
TDP
65 W
35 W
Architecture
Architecture
Skylake
Skylake
Process Node
14nm
14nm
Memory
Memory Type
DDR4
DDR3, DDR4
Memory Speed
DDR4-2133
DDR4-2133
Memory Channels
Dual (2)
Dual (2)
Max Memory
64 GB
64 GB
Platform & I/O
Socket
LGA 1151
LGA 1151
PCIe Version
PCIe 3.0
PCIe 3.0
PCIe Lanes
16
16
Integrated GPU
Yes
Yes
Unlocked
No
No

Performance Compared

Productivity

Intel Core i5-650040

Lacks the thread count for modern multi-tasking and rendering workloads.

Intel Core i5-6600TBest45

Snappy for light tasks, but 4 threads limit heavy productivity workloads.

Gaming

Intel Core i5-6500Best55

Bottlenecks modern GPUs heavily in newer titles; fine for older or esports games.

Intel Core i5-6600T45

Good burst performance for older games, but low base clock hinders sustained heavy gaming.

Virtualization

Intel Core i5-650030

Very limited for running VMs due to 4 threads.

Intel Core i5-6600T30

Can run a light VM, but resources are quickly exhausted.

Efficiency

Intel Core i5-650070

65W TDP is easy to cool and fairly efficient for a 14nm quad-core.

Intel Core i5-6600TBest85

Excellent performance-per-watt, typical of Intel's T-series bins.

Specialized Performance

AI / ML

Intel Core i5-6500Very Poor
  • No AI hardware acceleration
  • 4 threads severely limit local LLM and inference capabilities
Intel Core i5-6600TVery Poor
  • No AI acceleration and low core counts make it unviable for AI tasks

Content Creation

Intel Core i5-6500Poor
Basic Photo EditingLight 1080p Video Editing
Intel Core i5-6600TVery Poor
Basic Photo EditingWeb Browsing

Gaming

Intel Core i5-6500Fair
  • Severe 1% low frame drops in modern CPU-heavy games
  • Adequate for CS:GO and Valorant
  • No overclocking headroom to alleviate bottlenecks
Intel Core i5-6600TPoor
  • 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

Industry Impact

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

Best CPU by Use Case

1080p eSports Gaming
Fair
Web Browsing & Office
Good
Home Theater PC
Good
Good
Video Editing
Poor
Streaming
Poor
Office Productivity
Good
Light Gaming
Poor
Home Server
Good
Multi-tasking
Fair

Target Audience

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

Strengths & Weaknesses

Intel Core i5-6500

Pros

  • Low 65W TDP, easy to cool
  • Solid IPC for its generation
  • Included a stock cooler
  • HD 530 iGPU for troubleshooting

Cons

  • Only 4 threads without Hyper-Threading
  • Locked multiplier prevents overclocking
  • Struggles with modern gaming workloads
  • End-of-life platform with no upgrade path
Intel Core i5-6600T

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

Competitors & Alternatives

Intel Core i5-6500

  • AMD FX-8350

    Mainstream Desktop

    Rival
  • AMD FX-6350

    Budget Desktop

    Rival
  • Intel Core i5-4590

    Previous Gen

    Rival
    Compare head-to-head
  • Intel Core i3-6100

    Budget Desktop

    Rival
  • AMD A10-7870K

    APU Desktop

    Rival
  • Modern budget king that easily outpaces the i5-6500 in all metrics.

    Compare head-to-head
  • AMD Ryzen 5 5600G
    Alt

    Incredible integrated graphics and 12 threads for a similar used price.

  • Intel Core i5-12400F
    Alt

    The modern equivalent with vastly superior multi-threading and gaming performance.

  • AMD Ryzen 5 3600
    Alt

    Older but highly capable 6-core/12-thread CPU on a cheap platform.

  • Provides 12 threads on a budget LGA 1200 platform.

    Compare head-to-head

Intel Core i5-6600T

Our Verdict on Each

A reliable workhorse in its day, the i5-6500 delivered excellent value for locked mainstream builds, though its 4-thread limitation renders it obsolete for modern heavy workloads.

Best for: The i5-6500 is only viable today if you are repairing an older LGA 1151 system on an extreme budget or building a basic home server. It can handle web browsing, office applications, and retro or esports gaming adequately. However, buying one new or even used at a high price makes no sense. Modern entry-level chips like the i3-12100F obliterate it in single-core and multi-core performance while offering a modern platform with an upgrade path. If you already own this chip, keep it as long as your tasks remain basic, but do not invest money into this platform expecting a noticeable uplift over your existing setup without moving to a newer generation.

Read the full review

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 review

Frequently Asked Questions

Which is better, Intel Core i5-6500 or Intel Core i5-6600T?

Based on our editorial ratings, the Intel Core i5-6500 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.

Which is faster for gaming, Intel Core i5-6500 or Intel Core i5-6600T?

For gaming, the Intel Core i5-6500 leads with a gaming performance score of 55/100 among Intel Core i5-6500 and Intel Core i5-6600T.

Which uses less power?

The Intel Core i5-6600T has the lowest rated TDP. Power draw across these chips: Intel Core i5-6500 (65 W), Intel Core i5-6600T (35 W).

Do Intel Core i5-6500 and Intel Core i5-6600T 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 i5-6500 posts the highest multi-core benchmark score. Multi-core results: Intel Core i5-6500 (5,400), Intel Core i5-6600T (5,000). Benchmark figures are approximate and workload-dependent.