Intel Core i7 6500U vs Intel Core i7 1255U
CPU · Specs Compare
General Parameters
Release Date
Sep 2015
Feb 2022
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Alder Lake
Processor Number
i7-6500U
i7-1255U
Integrated Graphics
HD Graphics 520
Iris Xe Graphics (96EU)
Package
Transistor Count
1.7 billions
—
Manufacturing Process
14 nm
10 nm
Socket
BGA-1356
BGA-1744
Power Consumption
15 W
12-15 W
Peak Operating Temperature
100 °C
100°C
Max Turbo Power Consumption
—
55 W
CPU Performance
Performance Cores
2
2
Performance Core Threads
4
4
Performance Core Base Frequency
2.5 GHz
1.7 GHz
Performance Core Turbo Frequency
3.1 GHz
4.7 GHz
Total Core Count
2
10
Total Thread Count
4
12
L1 Cache
64 K per core
80 K per core
L2 Cache
256 K per core
1280 K per core
L3 Cache
4 MB shared
12 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
—
8
Efficiency Core Threads
—
8
Efficiency Core Base Frequency
—
1.2 GHz
Efficiency Core Turbo Frequency
—
3.5 GHz
Bus Frequency
—
100 MHz
Multiplier
—
17x
Memory Parameters
Memory Types
DDR4-2133, LPDDR3-1866, DDR3L-1600
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Max Memory Size
32 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
34.1 GB/s
76.8 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
1050 MHz
1250 MHz
GPU Base Frequency
—
300 MHz
Shader Units
—
768
Texture Units
—
48
Raster Operation Units
—
24
Execution Units
—
96
Power Consumption
—
15 W
Miscellaneous
PCIe Version
3.0
4.0
PCIe Lanes
12
20
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Cinebench R23
719
1,701
Cinebench R23
2,072
8,233
Geekbench 6
1,027
2,248
Geekbench 5
742
1,628
Geekbench 6
2,074
7,162
Geekbench 5
1,655
7,372
Blender
22
125
Passmark CPU
1,695
3,308
Passmark CPU
3,261
13,792
▲ Specs Compare
Data sourced from official specifications and benchmark tests.