Intel Core Ultra X9 388H vs Intel Xeon 674X
CPU Specs Compare
General Parameters
Release Date
Jan 2026
Feb 2026
Manufacturer
Intel
Intel
Type
Laptop
Server
Instruction Set
x86-64
-
Core Architecture
Panther Lake
Granite Rapids
Processor Number
388H
-
Integrated Graphics
Arc B390
N/A
Generation
Ultra X9 (Panther Lake-H)
Xeon 600 (Granite Rapids-WS)
Package
Manufacturing Process
2 nm
5 nm
Socket
FCBGA2540
Intel Socket 4710
Power Consumption
15-25 W
270 W
Max Turbo Power Consumption
80 W
-
Peak Operating Temperature
100 °C
99°C
Foundry
Intel
Intel
Package
FC-BGA
FC-LGA18N
Die Size
-
2x598 mm²
I/O Process Size
-
10 nm
I/O Die Size
-
2x 241
CPU Performance
Performance Cores
4
28
Performance Core Threads
4
56
Performance Core Base Frequency
2.1 GHz
3 GHz
Performance Core Turbo Frequency
5.1 GHz
4.9 GHz
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1.6 GHz
-
Efficiency Core Turbo Frequency
4 GHz
-
Total Core Count
16
28
Total Thread Count
16
56
Bus Frequency
100 MHz
100 MHz
Multiplier
21
30.0
L1 Cache
192 K per core
112 KB per core
L2 Cache
2560 K per core
2 MB per core
L3 Cache
18 MB shared
144 MB shared
Unlocked Multiplier
No
Yes
SMP
1
1
Memory Parameters
Memory Types
LPDDR5X-9600
DDR5-6400
Max Memory Size
96 GB
4 TB
Max Memory Channels
2
8
Max Memory Bandwidth
153.6 GB/s
409.6 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
2500 MHz
-
Shader Units
1536
-
Texture Units
48
-
Raster Operation Units
24
-
Execution Units
12
-
Power Consumption
45
-
AI Accelerator
Theoretical performance
50 TOPS
-
📊 Benchmark
Geekbench 6
3,026
-
Geekbench 6
17,541
-
Cinebench 2024
130
-