Intel Core Ultra 9 386H vs Intel Xeon 638
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
386H
—
Integrated Graphics
Graphics 4 Xe3
N/A
Generation
Intel Core Ultra Series 3
Xeon 600 (Granite Rapids-WS)
Package
Manufacturing Process
3 nm
5 nm
Socket
Custom
Intel Socket 4710
Power Consumption
15-25 W
180 W
Max Turbo Power Consumption
80 W
—
Peak Operating Temperature
100 °C
100°C
Foundry
—
Intel
Die Size
—
598 mm²
I/O Process Size
—
10 nm
I/O Die Size
—
2x 241
Package
—
FC-LGA18N
CPU Performance
Performance Cores
4
—
Performance Core Threads
4
—
Performance Core Base Frequency
2.1 GHz
3.2 GHz
Performance Core Turbo Frequency
4.9 GHz
4.8 GHz
Efficiency Cores
12
—
Efficiency Core Threads
12
—
Efficiency Core Base Frequency
1.6 GHz
—
Efficiency Core Turbo Frequency
3.9 GHz
—
Total Core Count
16
16
Total Thread Count
16
32
Bus Frequency
100 MHz
100 MHz
Multiplier
20
32.0
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
72 MB shared
Unlocked Multiplier
No
Yes
SMP
—
1
Memory Parameters
Memory Types
LPDDR5X-8533,DDR5-7200
DDR5-6400
Max Memory Size
128 GB
—
Max Memory Channels
2
4
Max Memory Bandwidth
136.5 GB/s
—
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
800 MHz
—
GPU Max Dynamic Frequency
2500 MHz
—
Shader Units
1024
—
Texture Units
64
—
Raster Operation Units
32
—
Execution Units
4
—
Power Consumption
25
—
Max Resolution
7680 x 4320 @ 60Hz
—
AI Accelerator
Theoretical performance
50 TOPS
—
Miscellaneous
PCIe Version
5.0
5
PCIe Lanes
20
80
Benchmark
Cinebench R23
2,002
—
Cinebench R23
17,506
—
Geekbench 6
2,890
—
Geekbench 6
17,693
—
Cinebench 2024
120
—
Cinebench 2024
998
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.