Intel Core i7-4770HQ vs Intel Core i7-4870HQ Full Specs
4 Cores 8 Threads 2.2GHz | 4 Cores 8 Threads 2.5GHz |
TDP 47W | TDP 47W |
Bandwidth 25.6GB/s DDR3L | Bandwidth 25.6GB/s DDR3L |
iGPU | iGPU |
·· 768 GFLOPSFP32 | ·· 768 GFLOPSFP32 |
Socket | Socket |
Core i7-4770HQ1,009Core i7-4870HQ1,1194 Cores | 4 Cores |
8 Threads | 8 Threads |
Base Clock 2.2GHz | Base Clock 2.5GHz |
Boost Clock 3.4GHz | 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 128MB | L4 Cache 128MB |
Type DDR3L | Type DDR3L |
Max Memory 32GB | Max Memory 32GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 1600MT/s | Speed 1600MT/s |
Bandwidth 25.6GB/s | Bandwidth 25.6GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 25.6GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 25.6GB/s |
TDP 47W | TDP 47W |
Bus Type DMI | Bus Type DMI |
Bus Config 4 lanes | Bus Config 4 lanes |
Bus Speed 5GT/s | Bus Speed 5GT/s |
Bus Bandwidth 2.5GB/s | Bus Bandwidth 2.5GB/s |
PCIe PCIe 3.0 x1615.8GB/sBandwidth | PCIe PCIe 3.0 x1615.8GB/sBandwidth |
iGPU | iGPU |
Shaders 320 | Shaders 320 |
Boost Clock 1.2GHz | Boost Clock 1.2GHz |
·· 768 GFLOPSFP32 | ·· 768 GFLOPSFP32 |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Crystalwell | Codename Crystalwell |
Market Segment Laptop | Market Segment Laptop |
Release Date Jul 1, 2014 | Release Date Jul 1, 2014 |
Foundry Intel | Foundry Intel |
Other Foundries InteleDRAM | Other Foundries InteleDRAM |
Fabrication Node 22nm 22nmeDRAM | Fabrication Node 22nm 22nmeDRAM |
Die Size 260mm² 77mm²eDRAM | Die Size 260mm² 77mm²eDRAM |
Transistor Count 1.7 Billion | Transistor Count 1.7 Billion |
Transistor Density 7 MTr/mm² | Transistor Density 7 MTr/mm² |
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