Intel Core Ultra X9 378H VS Intel Core Ultra 9 275HX

We are comparing the Intel Core Ultra X9 378H (Intel) with the Intel Core Ultra 9 275HX (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 9 275HX

Here’s how Intel Core Ultra X9 378H and Intel Core Ultra 9 275HX stack up against each other in their most impactful areas.

Intel Core Ultra X9 378H: 2 advantages Intel Core Ultra 9 275HX: 6 advantages

Reasons to consider the Intel Core Ultra X9 378H

2
  • 33% smaller manufacturing process (2 nm vs 3 nm)
  • Faster memory type support (LPDDR5X-9600)

Reasons to consider the Intel Core Ultra 9 275HX

6
  • 50% more CPU threads (24 vs 16)
  • 50% more CPU cores (24 vs 16)
  • 8% higher P-core turbo frequency (5400 MHz vs 5000 MHz)
  • 100% more performance-core threads (8 vs 4)
  • 100% more performance cores (8 vs 4)
  • 33% more efficient-core threads (16 vs 12)

SPECIFICATION TABLE COMPARISON OF Intel Core Ultra X9 378H AND Intel Core Ultra 9 275HX

Below is the detailed specification table comparing Intel Core Ultra X9 378H and Intel Core Ultra 9 275HX.

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 9 275HX
General Information
CPU Name: Intel Core Ultra X9 378H Intel Core Ultra 9 275HX
Vendor: Intel Intel
Release Date: — January 6, 2025
Generation: Ultra X9 (Panther Lake-H) Core Ultra (Series 2)
Type: Laptop Laptop
Instruction Set: x86-64 x86-64
Codename: Panther Lake Arrow Lake
Foundry: Intel TSMC
Package and Thermals
Manufacturing Process: 2 nm 3 nm
TDP (PL1): 45 W 55 W
Max Boost TDP (PL2): — 160 W
Socket: Custom FCBGA-2114
Max Temp (TJMax): 100 C 105 C
CPU Cores
Total Cores
Total Cores 16 24
Total Threads 16 24
P-Cores
P-Cores 4 8
P-Threads 4 8
P-Core Base Frequency 2000 MHz 2700 MHz
P-Core Turbo Frequency 5000 MHz 5400 MHz
E-Cores
E-Cores 12 16
E-Threads 12 16
E-Core Base Frequency 1600 MHz 2100 MHz
E-Core Turbo Frequency — 4600 MHz
NPU
NPU
NPU TOPS — 13 TOPS
Cache and Bus
Multiplier Locked Unlocked
Bus Frequency 100 MHz 100 MHz
L1 Cache 192 KB 192 KB
L2 Cache 2.5 MB 2 MB
L3 Cache 18 MB 36 MB
Memory Support
Memory Types: LPDDR5X-9600 DDR5-6400
Max Memory Size: 96 GB 256 GB
Memory Channels: 2 2
Max Memory Bandwidth: 153.6 GB/s —
ECC Support:
Technologies: N/A Intel AI Boost, DL Boost, Thread Director, Speed Shift, Turbo Boost Max 3.0, Turbo Boost 2.0, SSE4.1, SSE4.2, AVX2, VT-d, VT-x, VT-x EPT, AES-NI, TXT, Control-Flow Enforcement
Benchmarks
Geekbench V6
Multi-Core — 20451
Single-Core — 3001
File Compression — 1480
Clang Compression — 216
HTML5 Browser — 436
PDF Renderer — 546
Text Processing — 345
Background Blur — 79
Photo Processing — 156
Ray Tracing — 46
PassMark CPU
Multi-Core — 55998
Cinebench 2024
Multi-Core — 1944
Single-Core — 129
Blender
Render Score — 360

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 9 275HX

The charts below visualize how Intel Core Ultra X9 378H and Intel Core Ultra 9 275HX stack up in key performance metrics.

Performance Radar Chart

Category scores overview (0 to 100)
Intel Core Ultra X9 378H
Intel Core Ultra 9 275HX

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 9 275HX

Release Timeline of Intel Core Ultra X9 378H and Intel Core Ultra 9 275HX

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 9 275HX

24C/24T
$
Value Index
0.0
Intel Core Ultra X9 378H
Intel Core Ultra 9 275HX
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 9 275HX
ALL
Overall
Difference: 5
Leads
Intel Core Ultra X9 378H
69
Intel Core Ultra 9 275HX
74
Single-Core Performance
Difference: 6
Leads
Intel Core Ultra X9 378H
70
Intel Core Ultra 9 275HX
76
Multi-Core Performance
Difference: 12
Leads
Intel Core Ultra X9 378H
69
Intel Core Ultra 9 275HX
81
CPU Architecture
Difference: 7
Leads
Intel Core Ultra X9 378H
56
Intel Core Ultra 9 275HX
63
Memory Architecture
Difference: 3
Leads
Intel Core Ultra X9 378H
64
Intel Core Ultra 9 275HX
67

Our Verdict

In conclusion, the Intel Core Ultra 9 275HX is slightly better overall compared to the Intel Core Ultra X9 378H. It comes out ahead across every comparable key area.

Try to Compare Again One of These CPUs With Another CPU

Pick which CPU to keep, then search for the other CPU to compare.

Select either cpu below to choose which one stays in the comparison.

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.