Intel Core i5-8600K vs Intel Core i5-6400
VS
Intel Core i5-8600K
Intel Core i5-6400
Key Differences
Performance
Features
Miscellaneous
General info
Memory
Benchmarks
Intel Core i5-8600K
Intel Core i5-6400
Key Differences
|
Intel Core i5-8600K | Intel Core i5-6400 |
|---|---|---|
| Cores | 6 | 4 |
| CPU Threads | 6 | 4 |
| Base Clock Speed | 3.6GHz | 2.7GHz |
| Turbo Clock Speed | 4.3GHz | 3.3GHz |
| TDP (THERMAL DESIGN POINT) | 95W | 65W |
| Has integrated graphics |  Yes
|
Yes
|
| Performance per watt | Not Known | 236.8 |
Performance
|
Intel Core i5-8600K | Intel Core i5-6400 |
|---|---|---|
| CPU Speed & Cores | 6 x 3.6GHz | 4 x 2.7GHz |
| Number of CPU Threads | 6 | 4 |
| L2 Cache Size | 1.5MB | 1MB |
| L3 Cache Size | 9MB | 6MB |
| Turbo Boost Frequency | 4.3GHz | 3.3GHz |
| L1 Cache Size | 384KB | 128KB |
| L2 Core | 0.25MB/core | 0.2MB/core |
| L3 Core | 1.5MB/core | 1.5MB/core |
| Clock Multiplier | 36 | 27 |
| Turbo Boost Tech Version | 2 | Not Known |
| Does it have an unlocked multiplier |  No
|
No
|
| Uses ARM big.LITTLE tech | No
|
No
|
| Uses ARM HMP | No
|
No
|
Features
|
Intel Core i5-8600K | Intel Core i5-6400 |
|---|---|---|
| Has AES Support | Yes
|
Yes
|
| Supports CPU Throttling | Yes
|
Yes
|
| Supported SSE Version | 4.2 | 4.2 |
| Has AVX Support | Yes
|
Yes
|
| Has MMX Tech Support | Yes
|
Yes
|
| Has F16C Support | Yes
|
Yes
|
| Supports ARM TrustZone Tech | No
|
No
|
| Has FMA4 Instructions Support | No
|
No
|
| Has Multithreading Tech Support | Yes
|
No
|
| Has NX Processor Bit Support | Yes
|
Yes
|
| Has FMA3 Instructions Support | Yes
|
Yes
|
Miscellaneous
|
Intel Core i5-8600K | Intel Core i5-6400 |
|---|---|---|
| Height | 37.5mm | 37.5mm |
| Width Size | 37.5mm | 37.5mm |
General info
|
Intel Core i5-8600K | Intel Core i5-6400 |
|---|---|---|
| Has 64-bit Support | No Data Found | No Data Found |
| Semiconductor Size | 14nm | 14nm |
| GPU Base Clock Speed | 350MHz | 350MHz |
| TDP (Thermal Design Point) | 95W | 65W |
| PCI Express Version | 3 | 3 |
| CPU Temperature | 100°C | 71°C |
| DirectX Version Info | 12 | 12 |
| OpenGL Driver Version | 4.5 | 4.4 |
| GPU Boost Clock Speed | 1150MHz | 950MHz |
| No. of Supported Displays | 3 | 3 |
| Width Size | 37.5mm | 37.5mm |
| Height | 37.5mm | 37.5mm |
| Does it have Integrated Graphics | Yes
|
Yes
|
| OpenGL Driver Version | Not Known | 2 |
| Total GPU Execution Units | Not Known | 24 |
| Supports Power Optimized L2 Cache | No
|
No
|
Memory
|
Intel Core i5-8600K | Intel Core i5-6400 |
|---|---|---|
| RAM Memory Speed | 2666MHz | 2133MHz |
| Max Memory Bandwidth | 42.7GB/s | 34.1GB/s |
| Max Memory Channels | 2 | 2 |
| Supported Memory Size | 64GB | 64GB |
| Bus Bandwidth | 8GT/s | 8GT/s |
| ECC (Error-Correcting Code) Memory Support | Yes
|
No
|
Benchmarks
|
Intel Core i5-8600K | Intel Core i5-6400 |
|---|---|---|
| PassMark Score | 12854 | 6554 |
| PassMark Score (Single Thread) | 2530 | 1825 |
| PassMark Score (Overclocked) | Not Known | 7199 |
| CPU Performance (Per Watt) | Not Known | 236.8 |
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