Intel Core Ultra 5 235U vs Intel Core Ultra 7 255HX Full Specs
12 Cores(2P+8M+2E) 14 Threads(4P+8M+2E) 2GHz | 20 Cores(8P+12E) 20 Threads(8P+12E) 2.4GHz |
TDP 15W | TDP 55W |
Bandwidth 134.4GB/s · | Bandwidth 102.4GB/s DDR5 |
iGPU | iGPU |
·· 4.2 TFLOPSFP16 | ·· 3.79 TFLOPSFP16 |
Socket | Socket |
Core Ultra 5 235U2.4GHz
Core Ultra 7 255HX4.5GHz12 Cores 2P 8M 2E | 20 Cores 8P - 12E |
14 Threads 4P 8M 2E | 20 Threads 8P - 12E |
Base Clock 2GHz | Base Clock 2.4GHz |
Boost Clock 4.9GHz | Boost Clock 5.2GHz |
Overclocking Locked | Overclocking Unlocked |
L1i 64KB P 64KB M 64KB E | L1i 64KB P - 64KB E |
L1d 48KB P 32KB M 32KB E | L1d 48KB P - 32KB E |
L2 3MB P 8MB M shared 8MB E shared | L2 3MB P - 12MB E shared |
L3 36MB | L3 30MB |
Type · | Type DDR5 |
Max Memory 96GB | Max Memory 192GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 8400MT/s | Speed 6400MT/s |
Bandwidth 134.4GB/s | Bandwidth 102.4GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 134.4GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 102.4GB/s |
TDP 15W | TDP 55W |
cTDP-down 12W | cTDP-down 45W |
Peak Power 57W | Peak Power 160W |
Max Operating Temp 110°C Max | Max Operating Temp 105°C Max |
Bus Type - | Bus Type DMI |
Bus Config - | Bus Config 8 lanes |
Bus Speed - | Bus Speed 16GT/s |
Bus Bandwidth - | Bus Bandwidth 16GB/s |
PCIe PCIe 4.0 x2039.4GB/sBandwidth | PCIe PCIe 5.0 x2078.8GB/sBandwidth |
- | PCIe Secondary PCIe 4.0 x47.9GB/sBandwidth |
iGPU | iGPU |
Shaders 512 | Shaders 512 |
Boost Clock 2.05GHz | Boost Clock 1.85GHz |
·· 4.2 TFLOPSFP16 | ·· 3.79 TFLOPSFP16 |
NPU Model AI Boost 3 | NPU Model AI Boost 3 |
NPU Cores 2 | NPU Cores 2 |
Performance 13 TOPSINT8 | Performance 13 TOPSINT8 |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Arrow Lake-U Arrow Lake-U-2P-8EVariant Redwood CoveP-Core CrestmontM-Core CrestmontE-Core | Codename Arrow Lake-S Arrow Lake-S-8P-16EVariant Lion CoveP-Core - SkymontE-Core |
Market Segment Laptop | Market Segment Laptop |
Release Date Jan 6, 2025 | Release Date Jan 6, 2025 |
Foundry Intel | Foundry TSMC |
Other Foundries TSMCiGPU TSMCIO TSMCSoC | Other Foundries TSMCiGPU TSMCIO TSMCSoC |
Fabrication Node Intel 3 N5iGPU N6IO N6SoC | Fabrication Node N3B N5iGPU N6IO N6SoC |
Die Size - 23mm²iGPU 10mm²IO 100mm²SoC | Die Size 135mm² 23mm²iGPU 28mm²IO 100mm²SoC |
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