Intel Core Ultra 7 355 vs Intel Xeon 6990E+
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
May 2026
Manufacturer
Intel
Intel
Type
Laptop
Server
Instruction Set
x86-64
—
Processor Number
355
—
Integrated Graphics
Graphics 4 Xe3
N/A
Generation
Intel Core Ultra Series 3
Xeon 6+ (Clearwater Forest-SP)
Core Architecture
—
Clearwater Forest
Package
Manufacturing Process
3 nm
3 nm
Socket
Custom
Intel Socket 7529
Power Consumption
15-25 W
450 W
Max Turbo Power Consumption
55 W
—
Peak Operating Temperature
100 °C
98°C
Foundry
—
Intel
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
2.3 GHz
2.2 GHz
Performance Core Turbo Frequency
4.7 GHz
3.2 GHz
Efficiency Cores
4
—
Efficiency Core Threads
4
—
Efficiency Core Base Frequency
1.7 GHz
—
Efficiency Core Turbo Frequency
3.5 GHz
—
Total Core Count
8
288
Total Thread Count
8
288
Bus Frequency
100 MHz
100 MHz
Multiplier
23
22.0
L3 Cache
12 MB shared
576 MB shared
Unlocked Multiplier
No
No
L1 Cache
—
96 KB per core
L2 Cache
—
4 MB per module
SMP
—
2
Memory Parameters
Memory Types
LPDDR5X-7467,DDR5-6400
DDR5-8000
Max Memory Size
128 GB
1.5 TB
Max Memory Channels
2
12
Max Memory Bandwidth
119.5 GB/s
768.0 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
—
GPU Max Dynamic Frequency
2500 MHz
—
Execution Units
4
—
Max Resolution
7680 x 4320 @ 60Hz
—
Miscellaneous
PCIe Version
5.0
5
PCIe Lanes
12
96
Benchmark
Geekbench 6
2,706
—
Geekbench 6
10,277
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.