Intel Core Ultra X9 378H VS Intel Core Ultra 7 155H

We are comparing the Intel Core Ultra X9 378H (Intel) with the Intel Core Ultra 7 155H (Intel). Scroll down to the pros and cons of each processor, in-depth specs, and benchmark comparisons.

KEY DIFFERENCES OF Intel Core Ultra X9 378H AND Intel Core Ultra 7 155H

Here’s how Intel Core Ultra X9 378H and Intel Core Ultra 7 155H stack up against each other in their most impactful areas.

Intel Core Ultra X9 378H: 6 advantages Intel Core Ultra 7 155H: 4 advantages

Reasons to consider the Intel Core Ultra X9 378H

6
  • 4% higher P-core turbo frequency (5000 MHz vs 4800 MHz)
  • 20% more efficient-core threads (12 vs 10)
  • 20% more efficient cores (12 vs 10)
  • 43% higher P-core base frequency (2000 MHz vs 1400 MHz)
  • 78% higher E-core base frequency (1600 MHz vs 900 MHz)
  • 71% smaller manufacturing process (2 nm vs 7 nm)

Reasons to consider the Intel Core Ultra 7 155H

4
  • 38% more CPU threads (22 vs 16)
  • 200% more performance-core threads (12 vs 4)
  • 50% more performance cores (6 vs 4)
  • Includes dedicated NPU acceleration

SPECIFICATION TABLE COMPARISON OF Intel Core Ultra X9 378H AND Intel Core Ultra 7 155H

Below is the detailed specification table comparing Intel Core Ultra X9 378H and Intel Core Ultra 7 155H.

Note: Highlighted specs mean that CPU wins that spec row.

If neither side is highlighted, it is a tie or there is not enough data for both specs.

Specification Intel Core Ultra X9 378H Intel Core Ultra 7 155H
General Information
CPU Name: Intel Core Ultra X9 378H Intel Core Ultra 7 155H
Vendor: Intel Intel
Release Date: — December 14, 2023
Generation: Ultra X9 (Panther Lake-H) —
Type: Laptop Laptop
Instruction Set: x86-64 x86-64
Codename: Panther Lake Meteor Lake
Foundry: Intel —
Package and Thermals
Manufacturing Process: 2 nm 7 nm
TDP (PL1): 45 W 20-65 W
Max Boost TDP (PL2): — 115 W
Socket: Custom FCBGA-2049
Max Temp (TJMax): 100 C 110 C
CPU Cores
Total Cores
Total Cores 16 16
Total Threads 16 22
P-Cores
P-Cores 4 6
P-Threads 4 12
P-Core Base Frequency 2000 MHz 1400 MHz
P-Core Turbo Frequency 5000 MHz 4800 MHz
E-Cores
E-Cores 12 10
E-Threads 12 10
E-Core Base Frequency 1600 MHz 900 MHz
E-Core Turbo Frequency — 3800 MHz
NPU
NPU
NPU TOPS — 11 TOPS
Cache and Bus
Multiplier Locked Locked
Bus Frequency 100 MHz 100 MHz
L1 Cache 192 KB 112 KB
L2 Cache 2.5 MB 2 MB
L3 Cache 18 MB 24 MB
Memory Support
Memory Types: LPDDR5X-9600 LPDDR5-7467, LPDDR5x-7467, DDR5-5600
Max Memory Size: 96 GB 96 GB
Memory Channels: 2 2
Max Memory Bandwidth: 153.6 GB/s —
ECC Support:
Technologies: N/A ABM, ADX, AI Boost NPU 3, BMI1, BMI2, CLMUL, DLBoost 3.0, F16C, SHA, VNNI, EIST, TBT 2.0, TBT 3.0, TSX, VT-d, VT-x, RDRAND, TXT, XD bit, vPro
Benchmarks
Geekbench V6
Multi-Core — 12515
Single-Core — 2421
File Compression — 1220
Clang Compression — 101
HTML5 Browser — 271
PDF Renderer — 356
Text Processing — 243
Background Blur — 49
Photo Processing — 117
Ray Tracing — 19
PassMark CPU
Multi-Core — 24604
Single-Core — 3426
Integer Math — 86100
Floating Point — 62900
Prime Numbers — 113
String Sorting — 31700
Data Encryption — 16200
Data Compression — 274500
Physics — 1708
Extended Instructions — 16300
Cinebench 2024
Multi-Core — 957
Single-Core — 99
Blender
Render Score — 172

Tip: ▲ indicates a higher-is-better spec advantage, while ▼ indicates a lower-is-better advantage.

PERFORMANCE CHART COMPARISON OF Intel Core Ultra X9 378H AND Intel Core Ultra 7 155H

The charts below visualize how Intel Core Ultra X9 378H and Intel Core Ultra 7 155H stack up in key performance metrics.

Performance Radar Chart

Category scores overview (0 to 100)
Intel Core Ultra X9 378H
Intel Core Ultra 7 155H

Performance Benchmarks

Grey is the market top value. Colored bars show each CPU's relative benchmark reach.
Market Top
Intel Core Ultra X9 378H
Intel Core Ultra 7 155H

Release Timeline of Intel Core Ultra X9 378H and Intel Core Ultra 7 155H

Release date information is incomplete.

Value For Money Calculator

Prices use available launch or current data. Enter your own prices to see which CPU gives better value.

Intel Core Ultra X9 378H

16C/16T
$
Value Index
0.0

Intel Core Ultra 7 155H

16C/22T
$
Value Index
0.0
Intel Core Ultra X9 378H
Intel Core Ultra 7 155H
0%

Calculating...

Domain Score Summary

Scores are generated by Comparigon's scoring algorithm and are intended as a high-level guide. They may not map 1-to-1 with the individual spec-by-spec comparisons shown in the table.

Intel Core Ultra X9 378H Intel Core Ultra 7 155H
ALL
Overall
Difference: 1
Leads
Intel Core Ultra X9 378H
69
Intel Core Ultra 7 155H
68
Single-Core Performance
Difference: 5
Leads
Intel Core Ultra X9 378H
70
Intel Core Ultra 7 155H
65
Multi-Core Performance
Difference: 3
Leads
Intel Core Ultra X9 378H
69
Intel Core Ultra 7 155H
72
CPU Architecture
Difference: 6
Leads
Intel Core Ultra X9 378H
56
Intel Core Ultra 7 155H
50
Memory Architecture
Difference: 0
Tie
Intel Core Ultra X9 378H
64
Intel Core Ultra 7 155H
64

Our Verdict

In conclusion, the Intel Core Ultra X9 378H has a narrow overall lead compared to the Intel Core Ultra 7 155H. Its strongest advantages are in Single-Core Performance and CPU Architecture. The Intel Core Ultra 7 155H is the better fit if your top priority is Multi-Core Performance.

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Disclaimer: Specs, pricing, and benchmarks are sourced from official manufacturer data and verified test results. While we strive for precision, product details and pricing may change. Comparigon may earn an affiliate commission on qualifying purchases.