Winner
Intel Core i5 6500
CPUBoss recommends the Intel Core i5 6500 based on its performance and single-core performance.
See full details Intel Core i5 6500 vs 6400 |
Released July, 2015
Intel Core i5 6500
- 3.2 GHz
- Quad core
9.3 Out of 10
Reasons to buy the Intel Core i5 6500
 | Higher clock speed 3.2 GHz | | Higher turbo clock speed 3.6 GHz |
| | Supports trusted computing Yes | | Better turbo clock speed 1,050 MHz |
VS
Released July, 2015
Intel Core i5 6400
- 2.7 GHz
- Quad core
8.6 Out of 10
Reasons to buy the 6400
| | Significantly better performance per dollar 0.98 pt/$ |
CPUBoss Review Our evaluation of 6500 vs 6400 among all CPUs
Performance | |
Benchmark performance using all cores | |
| PCMark 8 Home 3.0 Accelerated, PassMark and 1 more | |
Single-core Performance | |
Individual core benchmark performance | |
| PassMark (Single Core), Geekbench 3 Single Core and 1 more | |
Integrated Graphics | |
Integrated GPU performance for graphics | |
| Sky Diver and Cloud Gate | |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
| CompuBench 1.5 Bitcoin mining and 4 more | |
Performance per Watt | |
How efficiently does the processor use electricity? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
Value | |
Are you paying a premium for performance? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
| 9.3 | CPUBoss Score |
Combination of all six facets | |
 | Winner |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Intel Core i5 6500CPUBoss Winner |  | |
Differences What are the advantages of each
| |||||||
| Higher clock speed | 3.2 GHz | vs | 2.7 GHz | Around 20% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Higher turbo clock speed | 3.6 GHz | vs | 3.3 GHz | Around 10% higher turbo clock speed | |||
| Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
| Better turbo clock speed | 1,050 MHz | vs | 950 MHz | More than 10% better turbo clock speed | |||
| Better performance per watt | 3.9 pt/W | vs | 2.82 pt/W | Around 40% better performance per watt | |||
| Slightly better CompuBench 1.5 video composition score | 12.52 fps | vs | 10.75 fps | More than 15% better CompuBench 1.5 video composition score | |||
| |||||||
| Significantly better performance per dollar | 0.98 pt/$ | vs | 0.63 pt/$ | More than 55% better performance per dollar | |||
Report a correction
Benchmarks Real world tests of Core i5 6500 vs 6400
CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench
CompuBench 1.5 (Face detection)
CompuBench 1.5 (T-Rex) Data courtesy CompuBench
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Core i5 6500 | vs | 6400 |
|---|---|---|---|
| Clock speed | 3.2 GHz | 2.7 GHz | |
| Turbo clock speed | 3.6 GHz | 3.3 GHz | |
| Cores | Quad core | Quad core | |
| Is unlocked | No | No | |
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | No | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| AVX 2.0 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 65W | 65W | |
| Annual home energy cost | 15.66 $/year | 15.66 $/year | |
| Annual commercial energy cost | 56.94 $/year | 56.94 $/year | |
| Performance per watt | 3.9 pt/W | 2.82 pt/W | |
| Typical power consumption | 52.81W | 52.81W | |
bus | |||
| Architecture | FSB | FSB | |
| Number of links | 1 | 1 | |
| Transfer rate | 8,000 MT/s | 8,000 MT/s | |
details | Core i5 6500 | vs | 6400 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 4 | |
| L3 cache | 6 MB | 6 MB | |
| L3 cache per core | 1.5 MB/core | 1.5 MB/core | |
| Manufacture process | 14 nm | 14 nm | |
| Max CPUs | 1 | 1 | |
| Operating temperature | Unknown - 71°C | Unknown - 71°C | |
overclocking | |||
| Overclocked clock speed | 3.77 GHz | 3.67 GHz | |
| Overclocked clock speed (Water) | 4.29 GHz | 4.34 GHz | |
| Overclocked clock speed (Air) | 3.77 GHz | 3.67 GHz | |
integrated graphics | |||
| GPU | GPU | GPU | |
| Label | Intel® HD Graphics 530 | Intel® HD Graphics 530 | |
| Number of displays supported | 3 | 3 | |
| GPU clock speed | 350 MHz | 350 MHz | |
| Turbo clock speed | 1,050 MHz | 950 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3L-1600 | |||
| Channels | Dual Channel | Dual Channel | |
| Supports ECC | No | No | |
| Maximum bandwidth | 25,600 MB/s | 25,600 MB/s | |
| Maximum memory size | 65,536 MB | 65,536 MB | |
 Intel Core i5 6500  Report a correction |  Intel Core i5 6400 Report a correction |
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