Intel Core Ultra 9 285H vs Intel Core Ultra X9 378H
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
Apr 2026
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Panther Lake
Processor Number
285H
378H
Integrated Graphics
Arc Graphics 140T
Arc B390
Generation
—
Ultra X9 (Panther Lake-H)
Package
Manufacturing Process
3 nm
3 nm
Socket
FCBGA-2049
Intel BGA 2540
Power Consumption
35-45 W
25 W
Max Turbo Power Consumption
115 W
80 W
Peak Operating Temperature
110 °C
100°C
Foundry
—
Intel
Package
—
FC-BGA
CPU Performance
Performance Cores
6
4
Performance Core Threads
6
8
Performance Core Base Frequency
2.9 GHz
2 GHz
Performance Core Turbo Frequency
5.4 GHz
5 GHz
Efficiency Cores
10
12
Efficiency Core Threads
10
12
Efficiency Core Base Frequency
2.7 GHz
1600 MHz
Efficiency Core Turbo Frequency
4.5 GHz
3.8 GHz
Total Core Count
16
16
Total Thread Count
16
16
Bus Frequency
100 MHz
100 MHz
Multiplier
29
20.0
L1 Cache
112 K per core
192 KB per core
L2 Cache
2 MB per core
2.5 MB per core
L3 Cache
24 MB shared
18 MB shared
Unlocked Multiplier
No
No
SMP
—
1
Memory Parameters
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
LPDDR5X-9600
Max Memory Size
128 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
153.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
800 MHz
GPU Max Dynamic Frequency
2350 MHz
2500 MHz
Shader Units
1024
1024
Texture Units
64
64
Raster Operation Units
32
32
Execution Units
8
12
Power Consumption
35
45
Miscellaneous
PCIe Version
5.0
5
PCIe Lanes
28
4
AI Accelerator
Theoretical performance
—
50 TOPS
Benchmark
Cinebench R23
2,074
—
Cinebench R23
22,192
—
Geekbench 6
3,073
—
Geekbench 6
17,644
—
Cinebench 2024
129
—
Cinebench 2024
1,154
—
Blender
223
—
Passmark CPU
4,481
—
Passmark CPU
33,267
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.