Intel Core i7-11800H vs Intel Core i7-1255U Full Specs
8 Cores 16 Threads 2.3GHz | 10 Cores(2P+8E) 12 Threads(4P+8E) 1.7GHz |
TDP 45W | TDP 15W |
Bandwidth 51.2GB/s DDR4 | Bandwidth 83.2GB/s ··· |
iGPU | iGPU |
·· 1.49 TFLOPSFP16 | ·· 3.84 TFLOPSFP16 |
Socket | Socket |
Core i7-11800H2,026
x1
Core i7-1255U2,1108 Cores 8P - | 10 Cores 2P 8E |
16 Threads 16P - | 12 Threads 4P 8E |
Base Clock 2.3GHz | Base Clock 1.7GHz |
Boost Clock 4.6GHz | Boost Clock 4.7GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB P - | L1i 32KB P 64KB E |
L1d 48KB P - | L1d 48KB P 32KB E |
L2 1.25MB P - | L2 1.25MB P 2MB E shared |
L3 24MB | L3 12MB |
Type DDR4 | Type ··· |
Max Memory 128GB | Max Memory 64GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 3200MT/s | Speed 5200MT/s |
Bandwidth 51.2GB/s | Bandwidth 83.2GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 51.2GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 83.2GB/s |
TDP 45W | TDP 15W |
cTDP-down 35W | cTDP-down - |
Peak Power - | Peak Power 55W |
Max Operating Temp 100°C Max | Max Operating Temp 100°C Max |
Bus Type DMI | Bus Type OPI |
Bus Config 8 lanes | Bus Config 8 lanes |
Bus Speed 8GT/s | Bus Speed 4GT/s |
Bus Bandwidth 8GB/s | Bus Bandwidth 4GB/s |
PCIe PCIe 4.0 x2039.4GB/sBandwidth | PCIe PCIe 4.0 x1223.6GB/sBandwidth |
iGPU | iGPU |
Shaders 256 | Shaders 768 |
Boost Clock 1.45GHz | Boost Clock 1.25GHz |
·· 1.49 TFLOPSFP16 | ·· 3.84 TFLOPSFP16 |
NPU Model GNA 2.0 | NPU Model GNA 3.0 |
Controller Model - | Controller Model 600 Series P+ |
Codename - | Codename Alder Lake |
PCIe - | PCIe - |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Tiger Lake-B Tiger Lake-8CVariant Willow CoveP-Core - | Codename Alder Lake-P Alder Lake-2P-8EVariant Golden CoveP-Core GracemontE-Core |
Market Segment Laptop | Market Segment Laptop |
Release Date May 11, 2021 | Release Date Feb 23, 2022 |
Foundry Intel | Foundry Intel |
Other Foundries - | Other Foundries IntelPCH |
Fabrication Node 10nm SuperFin - | Fabrication Node Intel 7 14nmPCH |
Die Size 190mm² - | Die Size 161mm² 54mm²PCH |
Transistor Count 12.3 Billion | Transistor Count 11.9 Billion |
Transistor Density 65 MTr/mm² | Transistor Density 74 MTr/mm² |
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