Intel Core 3 305 vs Intel Xeon 656
CPU · Specs Compare
General Parameters
Release Date
Apr 2026
Feb 2026
Manufacturer
Intel
Intel
Type
Laptop
Server
Core Architecture
Wildcat Lake
Granite Rapids
Integrated Graphics
Intel Xe3 Graphics (1 Xe)
N/A
Generation
Core 3 (Wildcat Lake)
Xeon 600 (Granite Rapids-WS)
Series
—
Intel Xeon 6 processors
Package
Manufacturing Process
3 nm
5 nm
Socket
Intel BGA 1516
Intel Socket 4710
Power Consumption
15 W
210 W
Peak Operating Temperature
100°C
98°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
2
20
Performance Core Threads
4
40
Performance Core Base Frequency
1.5 GHz
2.9 GHz
Performance Core Turbo Frequency
4.3 GHz
4.8 GHz
Efficiency Cores
4
—
Efficiency Core Threads
4
—
Efficiency Core Base Frequency
1400 MHz
—
Efficiency Core Turbo Frequency
3.3 GHz
—
Total Core Count
6
20
Total Thread Count
6
40
Bus Frequency
100 MHz
100 MHz
Multiplier
15.0
29.0
L1 Cache
192 KB
112 KB per core
L2 Cache
2.5 MB
2 MB per core
L3 Cache
6 MB shared
72 MB shared
Unlocked Multiplier
No
Yes
SMP
1
1
Memory Parameters
Memory Types
DDR5-6400, LPDDR5-6400X-7467
DDR5-6400
Max Memory Size
64 GB
4 TB
Max Memory Channels
1
8
Max Memory Bandwidth
59.7 GB/s
409.6 GB/s
ECC Memory Support
No
Yes
Miscellaneous
PCIe Version
4
5
PCIe Lanes
6
128
▲ Specs Compare
Data sourced from official specifications and benchmark tests.