Intel Core i9-12900H vs Intel Core Ultra 7 255U Full Specs
14 Cores(6P+8E) 20 Threads(12P+8E) 2.5GHz | 12 Cores(2P+8M+2E) 14 Threads(4P+8M+2E) 2GHz |
TDP 45W | TDP 15W |
Bandwidth 83.2GB/s ··· | Bandwidth 134.4GB/s · |
iGPU | iGPU |
·· 4.45 TFLOPSFP16 | ·· 4.3 TFLOPSFP16 |
Socket | Socket |
Core i9-12900H2,450
Core Ultra 7 255U-14 Cores 6P - 8E | 12 Cores 2P 8M 2E |
20 Threads 12P - 8E | 14 Threads 4P 8M 2E |
Base Clock 2.5GHz | Base Clock 2GHz |
Boost Clock 5GHz | Boost Clock 5.2GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB P - 64KB E | L1i 64KB P 64KB M 64KB E |
L1d 48KB P - 32KB E | L1d 48KB P 32KB M 32KB E |
L2 1.25MB P - 4MB E shared | L2 3MB P 8MB M shared 8MB E shared |
L3 24MB | L3 24MB |
Type ··· | Type · |
Max Memory 64GB | Max Memory 96GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 5200MT/s | Speed 8400MT/s |
Bandwidth 83.2GB/s | Bandwidth 134.4GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 83.2GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 134.4GB/s |
TDP 45W | TDP 15W |
cTDP-down - | cTDP-down 12W |
Peak Power 115W | Peak Power 57W |
Max Operating Temp 100°C Max | Max Operating Temp 110°C Max |
Bus Type OPI | Bus Type - |
Bus Config 8 lanes | Bus Config - |
Bus Speed 4GT/s | Bus Speed - |
Bus Bandwidth 4GB/s | Bus Bandwidth - |
PCIe PCIe 4.0 x1631.5GB/sBandwidth | PCIe PCIe 4.0 x2039.4GB/sBandwidth |
PCIe Secondary PCIe 3.0 x43.9GB/sBandwidth | - |
iGPU | iGPU |
Shaders 768 | Shaders 512 |
Boost Clock 1.45GHz | Boost Clock 2.1GHz |
·· 4.45 TFLOPSFP16 | ·· 4.3 TFLOPSFP16 |
NPU Model GNA 3.0 | NPU Model AI Boost 3 |
NPU Cores - | NPU Cores 2 |
Performance - | Performance 13 TOPSINT8 |
Controller Model 600 Series P+ | Controller Model - |
Codename Alder Lake | Codename - |
PCIe - | PCIe - |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Alder Lake-H Alder Lake-6P-8EVariant Golden CoveP-Core - GracemontE-Core | Codename Arrow Lake-U Arrow Lake-U-2P-8EVariant Redwood CoveP-Core CrestmontM-Core CrestmontE-Core |
Market Segment Laptop | Market Segment Laptop |
Release Date Jan 18, 2022 | Release Date Jan 6, 2025 |
Foundry Intel | Foundry Intel |
Other Foundries - - IntelPCH - | Other Foundries TSMCiGPU TSMCIO - TSMCSoC |
Fabrication Node Intel 7 - - 14nmPCH - | Fabrication Node Intel 3 N5iGPU N6IO - N6SoC |
Die Size 208mm² - - 54mm²PCH - | Die Size - 23mm²iGPU 10mm²IO - 100mm²SoC |
Transistor Count 15.2 Billion | Transistor Count - |
Transistor Density 73 MTr/mm² | Transistor Density - |
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