Intel Core i7 6700HQ vs Intel Core Ultra 7 255HX
CPU · Specs Compare
General Parameters
Release Date
Sep 2015
Jan 2025
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Arrow Lake
Processor Number
i7-6700HQ
255HX
Integrated Graphics
HD Graphics 530
Arc Graphics (4-Cores)
Generation
—
Ultra 7 (Arrow Lake)
Package
Manufacturing Process
14 nm
3 nm
Socket
BGA-1440
FCBGA-2114
Power Consumption
45 W
45-55 W
Peak Operating Temperature
100 °C
105 °C
Max Turbo Power Consumption
—
160 W
Foundry
—
Intel
Package
—
FC-LGA18V
CPU Performance
Performance Cores
4
8
Performance Core Threads
8
8
Performance Core Base Frequency
2.6 GHz
2.4 GHz
Performance Core Turbo Frequency
3.5 GHz
5.2 GHz
Total Core Count
4
20
Total Thread Count
8
20
Multiplier
26x
24
L1 Cache
128 K per core
112 K per core
L2 Cache
256 K per core
2 MB per core
L3 Cache
6 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
Efficiency Cores
—
12
Efficiency Core Threads
—
12
Efficiency Core Base Frequency
—
1.8 GHz
Efficiency Core Turbo Frequency
—
4.5 GHz
Bus Frequency
—
100 MHz
SMP
—
1
Memory Parameters
Memory Types
DDR4-2133, LPDDR3-1866, DDR3L-1600
DDR5-6400
Max Memory Size
64 GB
192 GB
Max Memory Channels
2
2
Max Memory Bandwidth
34.1 GB/s
102.4 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
1050 MHz
1850 MHz
GPU Base Frequency
—
300 MHz
Shader Units
—
512
Texture Units
—
32
Raster Operation Units
—
16
Execution Units
—
64
Power Consumption
—
14
Miscellaneous
PCIe Version
3.0
5.0
PCIe Lanes
16
24
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Geekbench 6
1,044
3,102
Geekbench 5
802
—
Geekbench 6
3,554
15,879
Geekbench 5
3,266
—
Passmark CPU
1,903
—
Passmark CPU
6,474
—
Cinebench R23
—
2,030
Cinebench R23
—
25,611
Cinebench 2024
—
132
Cinebench 2024
—
1,590
▲ Specs Compare
Data sourced from official specifications and benchmark tests.