Intel Core Ultra 5 125U vs Intel Core Ultra 7 155H Full Specs

Summary

12 Cores(2P+8M+2E) 14 Threads(4P+8M+2E) 1.3GHz	16 Cores(6P+8M+2E) 22 Threads(12P+8M+2E) 1.4GHz
TDP 15W	TDP 28W
Bandwidth 119.5GB/s LPDDR5X·DDR5	Bandwidth 119.5GB/s LPDDR5X·DDR5
iGPU Graphics 4C 1850MHz	iGPU Arc 8C 2250MHz
Peak·FP32·FP16 3.79 TFLOPSFP16	Peak·FP32·FP16 9.22 TFLOPSFP16
Socket BGA 2049	Socket BGA 2049

Highlights

E-Core Boost

E-Core Boost Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16 NPU TOPS TDP

Core Ultra 5 125U2.1GHz

x1

Core Ultra 7 155H2.5GHz

x1.19

Core Config

12 Cores 2P 8M 2E	16 Cores 6P 8M 2E
14 Threads 4P 8M 2E	22 Threads 12P 8M 2E

Clocks

Base Clock 1.3GHz	Base Clock 1.4GHz
Boost Clock 4.3GHz	Boost Clock 4.8GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 64KB P 64KB M 64KB E	L1i 64KB P 64KB M 64KB E
L1d 48KB P 32KB M 32KB E	L1d 48KB P 32KB M 32KB E
L2 2MB P 2MB M shared 2MB E shared	L2 2MB P 4MB M shared 2MB E shared
L3 12MB	L3 24MB

Memory

Type LPDDR5X·DDR5	Type LPDDR5X·DDR5
Max Memory 96GB	Max Memory 96GB
ECC No	ECC No
Channels 2	Channels 2
Bus Width 128-bit	Bus Width 128-bit
Speed 7466MT/s	Speed 7466MT/s
Bandwidth 119.5GB/s	Bandwidth 119.5GB/s
Bandwidth Calculator Channels Transfer Rate7466MT/s Calculated Bandwidth 119.5GB/s	Bandwidth Calculator Channels Transfer Rate7466MT/s Calculated Bandwidth 119.5GB/s

Power & Thermals

TDP 15W	TDP 28W
cTDP-down 12W	cTDP-down 20W
cTDP-up 28W	cTDP-up 65W
Peak Power 57W	Peak Power 115W
Max Operating Temp 110°C Max	Max Operating Temp 110°C Max

Expansion

PCIe PCIe 4.0 x20 39.4GB/sBandwidth	PCIe PCIe 5.0 x8 31.5GB/sBandwidth
-	PCIe Secondary PCIe 4.0 x20 39.4GB/sBandwidth

iGPU

iGPU Graphics 4C 1850MHz	iGPU Arc 8C 2250MHz
Shaders 512	Shaders 1024
Boost Clock 1.85GHz	Boost Clock 2.25GHz
Peak·FP32·FP16 3.79 TFLOPSFP16	Peak·FP32·FP16 9.22 TFLOPSFP16

NPU

NPU Model AI Boost 3	NPU Model AI Boost 3
NPU Cores 2	NPU Cores 2
NPU Clock 1.4GHz	NPU Clock 1.4GHz
Performance 11.5 TOPSINT8	Performance 11.5 TOPSINT8

Chip

Manufacturer Intel	Manufacturer Intel
ISA x86-64	ISA x86-64
Architecture Meteor Lake	Architecture Meteor Lake
Family Core Ultra Series 1	Family Core Ultra Series 1
Branding	Branding
Codename Meteor Lake-U Meteor Lake-P-2PVariant Redwood CoveP-Core CrestmontM-Core CrestmontE-Core	Codename Meteor Lake-H Meteor Lake-P-6PVariant Redwood CoveP-Core CrestmontM-Core CrestmontE-Core
Market Segment Laptop	Market Segment Laptop
Release Date Dec 14, 2023	Release Date Dec 14, 2023

Fabrication

Foundry Intel	Foundry Intel
Other Foundries TSMCiGPU TSMCIO TSMCSoC	Other Foundries TSMCiGPU TSMCIO TSMCSoC
Fabrication Node Intel 4 N5iGPU N6IO N6SoC	Fabrication Node Intel 4 N5iGPU N6IO N6SoC
Die Size 38mm² 23mm²iGPU 28mm²IO 100mm²SoC	Die Size 68mm² 44mm²iGPU 28mm²IO 100mm²SoC
Transistor Count 5.5 Billion	Transistor Count 10 Billion
Transistor Density 147 MTr/mm²	Transistor Density 147 MTr/mm²

Images

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