Intel Core i5-6440HQ vs Intel Core i7-4870HQ Full Specs
4 Cores 4 Threads 2.6GHz | 4 Cores 8 Threads 2.5GHz |
TDP 45W | TDP 47W |
Bandwidth 34.1GB/s ·· | Bandwidth 25.6GB/s DDR3L |
iGPU | iGPU |
·· 364.8 GFLOPSFP32 | ·· 768 GFLOPSFP32 |
Socket | Socket |
4 Cores | 4 Cores |
4 Threads | 8 Threads |
Base Clock 2.6GHz | Base Clock 2.5GHz |
Boost Clock 3.5GHz | Boost Clock 3.7GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 256KB | L2 256KB |
L3 6MB | L3 6MB |
L4 Cache - | L4 Cache 128MB |
Type ·· | Type DDR3L |
Max Memory 64GB | Max Memory 32GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 2133MT/s | Speed 1600MT/s |
Bandwidth 34.1GB/s | Bandwidth 25.6GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 45W | TDP 47W |
cTDP-down 35W | cTDP-down - |
Max Operating Temp 100°C Max | Max Operating Temp - |
Included Cooler 0 | Included Cooler - |
Bus Type DMI | Bus Type DMI |
Bus Config 4 lanes | Bus Config 4 lanes |
Bus Speed 8GT/s | Bus Speed 5GT/s |
Bus Bandwidth 4GB/s | Bus Bandwidth 2.5GB/s |
PCIe PCIe 3.0 x1615.8GB/sBandwidth | PCIe PCIe 3.0 x1615.8GB/sBandwidth |
iGPU | iGPU |
Shaders 192 | Shaders 320 |
Boost Clock 950MHz | Boost Clock 1.2GHz |
·· 364.8 GFLOPSFP32 | ·· 768 GFLOPSFP32 |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding ![]() | Branding ![]() |
Codename Skylake-E Skylake-4C-GT2Variant | Codename Crystalwell - |
Market Segment Laptop | Market Segment Laptop |
Release Date Jan 24, 2016 | Release Date Jul 1, 2014 |
Foundry Intel | Foundry Intel |
Other Foundries - | Other Foundries InteleDRAM |
Fabrication Node 14nm - | Fabrication Node 22nm 22nmeDRAM |
Die Size 122mm² - | Die Size 260mm² 77mm²eDRAM |
Transistor Count 2.1 Billion | Transistor Count 1.7 Billion |
Transistor Density 17 MTr/mm² | Transistor Density 7 MTr/mm² |
Laptops - | Laptops |
All-in-Ones | All-in-Ones - |



