Intel Core i7 8557U vs Intel Core i5 8279U
We compared two laptop CPUs: Intel Core i7 8557U with 4 cores 1.7GHz and Intel Core i5 8279U with 4 cores 2.4GHz . 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
Larger L3 cache size (8MB vs 6MB)
Lower TDP (15W vs 28W)
Intel Core i5 8279U 's Advantages
Higher base frequency (2.4GHz vs 1.7GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 8557U
+8%
1180
Intel Core i5 8279U
1085
Cinebench R23 Multi Core
Intel Core i7 8557U
+3%
4595
Intel Core i5 8279U
4440
Geekbench 6 Single Core
Intel Core i7 8557U
884
Intel Core i5 8279U
+48%
1313
Geekbench 6 Multi Core
Intel Core i7 8557U
3216
Intel Core i5 8279U
+38%
4465
Blender
Intel Core i7 8557U
52
Intel Core i5 8279U
+13%
59
Geekbench 5 Single Core
Intel Core i7 8557U
+8%
1031
Intel Core i5 8279U
951
Geekbench 5 Multi Core
Intel Core i7 8557U
3935
Intel Core i5 8279U
3929
Passmark CPU Single Core
Intel Core i7 8557U
+6%
2510
Intel Core i5 8279U
2365
Passmark CPU Multi Core
Intel Core i7 8557U
+1%
7875
Intel Core i5 8279U
7732
General Parameters
Jul 2019
Release Date
May 2019
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Coffee Lake
i7-8557U
Processor Number
i5-8279U
BGA-1528
Socket
BGA-1528
Iris Plus Graphics 645
Integrated Graphics
Iris Plus Graphics 655
Package
14 nm
Manufacturing Process
14 nm
15 W
Power Consumption
28 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
2.4 GHz
4.5 GHz
Performance Core Turbo Frequency
4.1 GHz
4
Total Core Count
4
8
Total Thread Count
8
-
Bus Frequency
100 MHz
17x
Multiplier
24x
32 K per core
L1 Cache
32 K per core
256 K per core
L2 Cache
256 K per core
8 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR4-2400, LPDDR3-2133
Memory Types
DDR4-2400, LPDDR3-2133
32 GB
Max Memory Size
32 GB
2
Max Memory Channels
2
37.5 GB/s
Max Memory Bandwidth
37.5 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1150 MHz
GPU Max Dynamic Frequency
1150 MHz
384
Shader Units
384
48
Texture Units
48
6
Raster Operation Units
6
48
Execution Units
48
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
4096x2304 - 60 Hz
0.81 TFLOPS
Graphics Performance
0.81 TFLOPS
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
