Intel Xeon 674X vs Intel Core Ultra X9 378H
CPU Specs Compare
General Parameters
Release Date
Feb 2026
Apr 2026
Manufacturer
Intel
Intel
Type
Server
Laptop
Core Architecture
Granite Rapids
Panther Lake
Integrated Graphics
N/A
Arc B390
Generation
Xeon 600 (Granite Rapids-WS)
Ultra X9 (Panther Lake-H)
Instruction Set
-
x86-64
Processor Number
-
378H
Package
Manufacturing Process
5 nm
3 nm
Socket
Intel Socket 4710
Intel BGA 2540
Power Consumption
270 W
25 W
Peak Operating Temperature
99°C
100°C
Foundry
Intel
Intel
Die Size
2x598 mm²
-
I/O Process Size
10 nm
-
I/O Die Size
2x 241
-
Package
FC-LGA18N
FC-BGA
Max Turbo Power Consumption
-
80 W
CPU Performance
Performance Cores
28
4
Performance Core Threads
56
8
Performance Core Base Frequency
3 GHz
2 GHz
Performance Core Turbo Frequency
4.9 GHz
5 GHz
Total Core Count
28
16
Total Thread Count
56
16
Bus Frequency
100 MHz
100 MHz
Multiplier
30.0
20.0
L1 Cache
112 KB per core
192 KB per core
L2 Cache
2 MB per core
2.5 MB per core
L3 Cache
144 MB shared
18 MB shared
Unlocked Multiplier
Yes
No
SMP
1
1
Efficiency Cores
-
12
Efficiency Core Threads
-
12
Efficiency Core Base Frequency
-
1600 MHz
Efficiency Core Turbo Frequency
-
3.8 GHz
Memory Parameters
Memory Types
DDR5-6400
LPDDR5X-9600
Max Memory Size
4 TB
96 GB
Max Memory Channels
8
2
Max Memory Bandwidth
409.6 GB/s
153.6 GB/s
ECC Memory Support
Yes
No
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
-
12
Power Consumption
-
45
AI Accelerator
Theoretical performance
-
50 TOPS