Intel Core Ultra X9 388H vs Intel Xeon E3-1240L v3
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
May 2014
Manufacturer
Intel
Intel
Type
Laptop
Server
Instruction Set
x86-64
—
Core Architecture
Panther Lake
Haswell-WS
Processor Number
388H
—
Integrated Graphics
Arc B390
N/A
Generation
Ultra X9 (Panther Lake-H)
Xeon E3 (Haswell-WS)
Package
Manufacturing Process
2 nm
22 nm
Socket
FCBGA2540
Intel Socket 1150
Power Consumption
15-25 W
25 W
Max Turbo Power Consumption
80 W
—
Peak Operating Temperature
100 °C
—
Foundry
Intel
Intel
Package
FC-BGA
FC-LGA12C
Transistor Count
—
1.4 billions
Die Size
—
160 mm²
CPU Performance
Performance Cores
4
—
Performance Core Threads
4
—
Performance Core Base Frequency
2.1 GHz
2 GHz
Performance Core Turbo Frequency
5.1 GHz
3 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
4
Total Thread Count
16
8
Bus Frequency
100 MHz
100 MHz
Multiplier
21
20.0
L1 Cache
192 K per core
64 K per core
L2 Cache
2560 K per core
256 K per core
L3 Cache
18 MB shared
8 MB shared
Unlocked Multiplier
No
No
SMP
1
1
Memory Parameters
Memory Types
LPDDR5X-9600
DDR3-1600
Max Memory Size
96 GB
—
Max Memory Channels
2
2
Max Memory Bandwidth
153.6 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
—
Miscellaneous
PCIe Version
5.0
3
PCIe Lanes
12
16
Benchmark
Geekbench 6
3,026
895
Geekbench 6
17,541
2,669
Cinebench 2024
130
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.