Intel Core i7 8700K vs Intel Core Ultra 7 355
CPU Specs Compare
General Parameters
Release Date
Oct 2017
Jan 2026
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
-
Processor Number
i7-8700K
355
Integrated Graphics
UHD Graphics 630
Graphics 4 Xe3
Generation
-
Intel Core Ultra Series 3
Package
Manufacturing Process
14 nm
3 nm
Socket
LGA-1151
Custom
Power Consumption
95 W
15-25 W
Peak Operating Temperature
100 °C
100 °C
Max Turbo Power Consumption
-
55 W
CPU Performance
Performance Cores
6
4
Performance Core Threads
12
4
Performance Core Base Frequency
3.7 GHz
2.3 GHz
Performance Core Turbo Frequency
4.7 GHz
4.7 GHz
Total Core Count
6
8
Total Thread Count
12
8
Bus Frequency
100 MHz
100 MHz
Multiplier
37x
23
L1 Cache
64 K per core
-
L2 Cache
256 K per core
-
L3 Cache
12 MB shared
12 MB shared
Unlocked Multiplier
Yes
No
Efficiency Cores
-
4
Efficiency Core Threads
-
4
Efficiency Core Base Frequency
-
1.7 GHz
Efficiency Core Turbo Frequency
-
3.5 GHz
Memory Parameters
Memory Types
DDR4-2666
LPDDR5X-7467,DDR5-6400
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
41.6 GB/s
119.5 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
350 MHz
-
GPU Max Dynamic Frequency
1200 MHz
2500 MHz
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
-
Execution Units
24
4
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
7680 x 4320 @ 60Hz
Miscellaneous
📊 Benchmark
Cinebench R23
1,215
-
Cinebench R23
8,734
-
Geekbench 6
1,475
2,706
Geekbench 6
6,339
10,277
Blender
156
-
Passmark CPU
2,748
-
Passmark CPU
13,661
-