Intel Xeon E3-1231 v3 vs Intel Core Ultra 7 251HX
CPU · Specs Compare
General Parameters
Release Date
May 2014
Apr 2026
Manufacturer
Intel
Intel
Type
Server
Laptop
Core Architecture
Haswell-WS
Arrow Lake
Integrated Graphics
N/A
Arc Graphics (4-Cores)
Generation
Xeon E3 (Haswell-WS)
—
Instruction Set
—
x86-64
Processor Number
—
251HX
Package
Transistor Count
1.4 billions
—
Manufacturing Process
22 nm
3 nm
Socket
Intel Socket 1150
FCBGA-2114
Power Consumption
80 W
45-55 W
Foundry
Intel
—
Die Size
160 mm²
—
Package
FC-LGA12C
—
Max Turbo Power Consumption
—
160 W
Peak Operating Temperature
—
105 °C
CPU Performance
Performance Core Base Frequency
3.4 GHz
2.9 GHz
Performance Core Turbo Frequency
3.8 GHz
5.1 GHz
Total Core Count
4
18
Total Thread Count
8
18
Bus Frequency
100 MHz
100 MHz
Multiplier
34.0
29
L1 Cache
64 K per core
192 K per core
L2 Cache
256 K per core
2 MB per core
L3 Cache
8 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
SMP
1
—
Performance Cores
—
6
Performance Core Threads
—
6
Efficiency Cores
—
12
Efficiency Core Threads
—
12
Efficiency Core Base Frequency
—
2.5 GHz
Efficiency Core Turbo Frequency
—
4.5 GHz
Memory Parameters
Memory Types
DDR3-1600
DDR5-6400
Max Memory Channels
2
2
ECC Memory Support
Yes
No
Max Memory Size
—
256 GB
Max Memory Bandwidth
—
102.4 GB/s
Miscellaneous
PCIe Version
3
5.0
PCIe Lanes
16
24
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
300 MHz
GPU Max Dynamic Frequency
—
1800 MHz
Shader Units
—
512
Texture Units
—
32
Raster Operation Units
—
16
Execution Units
—
64
Power Consumption
—
14
Benchmark
Geekbench 6
1,275
2,940
Geekbench 6
4,198
15,262
Blender
69
—
Cinebench 2024
—
130
Cinebench 2024
—
1,761
▲ Specs Compare
Data sourced from official specifications and benchmark tests.