Intel Core i7 8557U vs Intel Core i7 6820HQ
We compared two laptop CPUs: Intel Core i7 8557U with 4 cores 1.7GHz and Intel Core i7 6820HQ with 4 cores 2.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 8557U 's Advantages
Released 3 years and 10 months late
Higher specification of memory (2400 vs 2133)
Larger memory bandwidth (37.5GB/s vs 34.1GB/s)
Lower TDP (15W vs 45W)
Intel Core i7 6820HQ 's Advantages
Higher base frequency (2.7GHz vs 1.7GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 8557U
+32%
1180
Intel Core i7 6820HQ
891
Cinebench R23 Multi Core
Intel Core i7 8557U
+7%
4595
Intel Core i7 6820HQ
4287
Geekbench 6 Single Core
Intel Core i7 8557U
884
Intel Core i7 6820HQ
+17%
1037
Geekbench 6 Multi Core
Intel Core i7 8557U
3216
Intel Core i7 6820HQ
+10%
3560
Blender
Intel Core i7 8557U
52
Intel Core i7 6820HQ
+44%
75
Geekbench 5 Single Core
Intel Core i7 8557U
+22%
1031
Intel Core i7 6820HQ
844
Geekbench 5 Multi Core
Intel Core i7 8557U
+17%
3935
Intel Core i7 6820HQ
3359
Passmark CPU Single Core
Intel Core i7 8557U
+28%
2510
Intel Core i7 6820HQ
1958
Passmark CPU Multi Core
Intel Core i7 8557U
+14%
7875
Intel Core i7 6820HQ
6869
General Parameters
Jul 2019
Release Date
Sep 2015
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i7-8557U
Processor Number
i7-6820HQ
BGA-1528
Socket
BGA-1440
Iris Plus Graphics 645
Integrated Graphics
HD Graphics 530
Package
14 nm
Manufacturing Process
14 nm
15 W
Power Consumption
45 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
4
Performance Cores
4
8
Performance Core Threads
8
1.7 GHz
Performance Core Base Frequency
2.7 GHz
4.5 GHz
Performance Core Turbo Frequency
3.6 GHz
4
Total Core Count
4
8
Total Thread Count
8
17x
Multiplier
-
32 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
8 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR4-2400, LPDDR3-2133
Memory Types
DDR4-2133, LPDDR3-1866, DDR3L-1600
32 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
37.5 GB/s
Max Memory Bandwidth
34.1 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1150 MHz
GPU Max Dynamic Frequency
1050 MHz
384
Shader Units
-
48
Texture Units
-
6
Raster Operation Units
-
48
Execution Units
-
15 W
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.81 TFLOPS
Graphics Performance
-
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
