Intel Core i7-3820QM vs Intel Core i7-3820 Full Specs
4 Cores 8 Threads 2.7GHz | 4 Cores 8 Threads 3.6GHz |
TDP 45W | TDP 130W |
Bandwidth 25.6GB/s · | Bandwidth 51.2GB/s DDR3 |
iGPU | iGPU - |
·· 320 GFLOPSFP32 | ·· - |
Socket | Socket |
4 Cores | 4 Cores |
8 Threads | 8 Threads |
Base Clock 2.7GHz | Base Clock 3.6GHz |
Boost Clock 3.7GHz | Boost Clock 3.8GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 256KB | L2 256KB |
L3 8MB | L3 10MB |
Type · | Type DDR3 |
Max Memory 32GB | Max Memory 64GB |
ECC No | ECC No |
Channels 2 | Channels 4 |
Bus Width 128-bit | Bus Width 256-bit |
Speed 1600MT/s | Speed 1600MT/s |
Bandwidth 25.6GB/s | Bandwidth 51.2GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 45W | TDP 130W |
Max Operating Temp 105°C Max | Max Operating Temp - |
T-Case - | T-Case 66.8°C Max |
Included Cooler - | Included Cooler 0 |
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 2.0 x4020GB/sBandwidth |
iGPU | iGPU - |
Shaders 128 | Shaders - |
Boost Clock 1.25GHz | Boost Clock - |
·· 320 GFLOPSFP32 | ·· - |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Gladden Ivy Bridge-HE-4Die Ivy Bridge-4C-GT2Variant | Codename Sandy Bridge-E Sandy Bridge-EP-4Die Sandy Bridge-EP-4CVariant |
Market Segment Laptop | Market Segment Workstation |
Release Date Apr 1, 2012 | Release Date Feb 1, 2012 |
Foundry Intel | Foundry Intel |
Fabrication Node 22nm | Fabrication Node 32nm |
Die Size 160mm² | Die Size 294mm² |
Transistor Count 1.4 Billion | Transistor Count 1.3 Billion |
Transistor Density 9 MTr/mm² | Transistor Density 4 MTr/mm² |
Laptops | Laptops - |
