Intel Core i7 6500U vs Intel Core Ultra 7 255H
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
i7-6500U
255H
Integrated Graphics
HD Graphics 520
Arc Graphics 140T
Package
Transistor Count
1.7 billions
—
Manufacturing Process
14 nm
3 nm
Socket
BGA-1356
FCBGA-2049
Power Consumption
15 W
20-28 W
Peak Operating Temperature
100 °C
110 °C
Max Turbo Power Consumption
—
115 W
CPU Performance
Performance Cores
2
6
Performance Core Threads
4
6
Performance Core Base Frequency
2.5 GHz
2.0 GHz
Performance Core Turbo Frequency
3.1 GHz
5.1 GHz
Total Core Count
2
16
Total Thread Count
4
16
L1 Cache
64 K per core
112 K per core
L2 Cache
256 K per core
2 MB per core
L3 Cache
4 MB shared
24 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
—
10
Efficiency Core Threads
—
10
Efficiency Core Base Frequency
—
1.5 GHz
Efficiency Core Turbo Frequency
—
4.4 GHz
Bus Frequency
—
100 MHz
Multiplier
—
20
Memory Parameters
Memory Types
DDR4-2133, LPDDR3-1866, DDR3L-1600
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Size
32 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
34.1 GB/s
—
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
1050 MHz
2250 MHz
Miscellaneous
PCIe Version
3.0
5.0
PCIe Lanes
12
28
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Cinebench R23
719
2,029
Cinebench R23
2,072
20,521
Geekbench 6
1,027
2,823
Geekbench 5
742
—
Geekbench 6
2,074
15,662
Geekbench 5
1,655
—
Blender
22
278
Passmark CPU
1,695
—
Passmark CPU
3,261
—
Cinebench 2024
—
115
Cinebench 2024
—
1,102
▲ Specs Compare
Data sourced from official specifications and benchmark tests.