Intel Core i7-940XM vs Intel Core i7-840QM Full Specs
4 Cores | 4 Cores |
8 Threads | 8 Threads |
Base Clock 2.13GHz | Base Clock 1.86GHz |
Boost Clock 3.33GHz | Boost Clock 3.2GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 32KB | L1d 32KB |
L2 256KB | L2 256KB |
L3 8MB | L3 8MB |
Type DDR3 | Type DDR3 |
Max Memory 8GB | Max Memory 8GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 1333MT/s | Speed 1333MT/s |
Bandwidth 21.3GB/s | Bandwidth 21.3GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 55W | TDP 45W |
Max Operating Temp 100°C Max | Max Operating Temp 100°C Max |
Voltage Range - | Voltage Range - |
Bus Type DMI | Bus Type DMI |
Bus Config 4 lanes | Bus Config 4 lanes |
Bus Speed 2.5GT/s | Bus Speed 2.5GT/s |
Bus Bandwidth 1.3GB/s | Bus Bandwidth 1.3GB/s |
PCIe PCIe 2.0 x168GB/sBandwidth | PCIe PCIe 2.0 x168GB/sBandwidth |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Clarksfield | Codename Clarksfield |
Market Segment Laptop | Market Segment Laptop |
Release Date Jun 1, 2010 | Release Date Jun 1, 2010 |
Foundry Intel | Foundry Intel |
Fabrication Node 45nm | Fabrication Node 45nm |
Die Size 296mm² | Die Size 296mm² |
Transistor Count 774 Million | Transistor Count 774 Million |
Transistor Density 3 MTr/mm² | Transistor Density 3 MTr/mm² |
