AMD FX-670K vs AMD FX-770K Full Specs
FX-670K429FX-770K4742 Cores | 2 Cores |
4 Threads | 4 Threads |
Base Clock 3.7GHz | Base Clock 3.5GHz |
Boost Clock 4.3GHz | Boost Clock 3.9GHz |
Overclocking Locked | Overclocking Locked |
L1i 64KB | L1i 96KB |
L1d 16KB | L1d 16KB |
L2 2MB | L2 2MB |
Type DDR3 | Type DDR4 |
Max Memory 32GB | Max Memory 64GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 1866MT/s | Speed 2133MT/s |
Bandwidth 29.9GB/s | Bandwidth 34.1GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 29.9GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 34.1GB/s |
TDP 65W | TDP 65W |
Bus Type UMI | Bus Type UMI |
Bus Config 4 lanes | Bus Config 4 lanes |
Bus Speed 4GT/s | Bus Speed 4GT/s |
Bus Bandwidth 2GB/s | Bus Bandwidth 2GB/s |
PCIe PCIe 2.0 x2010GB/sBandwidth | PCIe PCIe 3.0 x2019.7GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Richland | Codename Kaveri |
Market Segment Desktop | Market Segment Desktop |
Release Date Mar 1, 2014 | Release Date Dec 1, 2014 |
Foundry GlobalFoundries | Foundry GlobalFoundries |
Fabrication Node 32nm | Fabrication Node 28nm |
Die Size 246mm² | Die Size 245mm² |
Transistor Count 1.3 Billion | Transistor Count 2.4 Billion |
Transistor Density 5 MTr/mm² | Transistor Density 10 MTr/mm² |
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