Intel Core i5-8257U vs Intel Core i7-4870HQ

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-8257U or Intel Core i5-8257U – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i5-8257U features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2019 and belongs to the 8 generation of the Intel Core i5 series.
To use the Intel Core i5-8257U, you'll need a motherboard with a BGA 1528 socket.
The Intel Core i7-4870HQ features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2014 and belongs to the 4 generation of the Intel Core i7 series.
To use the Intel Core i7-4870HQ, you'll need a motherboard with a BGA 1364 socket.
Mobile Segment Mobile
Intel Core i5-8257U Name Intel Core i7-4870HQ
Intel Core i5 Family Intel Core i7
8 Generation 4
Intel Core i 8000U Group Intel Core i 4000M/4000H
 
 

CPU Cores and Base Frequency

The Intel Core i5-8257U has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i5-8257U is 1.4 GHz
and turbo frequency for one core is 3.9 GHz.
The Intel Core i7-4870HQ has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-4870HQ is 2.5 GHz
and turbo frequency for one core is 3.7 GHz.
3.9 GHz Turbo Frequency (1 core) 3.7 GHz
No Overclocking No
normal Core architecture normal
1.4 GHz Frequency 2.5 GHz
8 Threads 8
3.2 GHz Turbo Frequency (all cores) None
Yes Hyperthreading Yes
4 CPU Cores 4
4x Cores 4x
 
 

Internal Graphics

The Intel Core i5-8257U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-8257U uses the Intel Iris Plus Graphics 645, which has 384 texture shaders
and 48 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-4870HQ has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-4870HQ uses the Intel Iris Pro Graphics 5200, which has 320 texture shaders
and 40 execution units.
0.3 GHz GPU frequency 0.2 GHz
Q4/2017 Release date Q2/2013
12 Direct X 11.1
Intel Iris Plus Graphics 645 GPU name Intel Iris Pro Graphics 5200
14 nm Technology 22 nm
-- Max. displays --
384 Shaders 320
32.0 GB Max. GPU Memory 2.0 GB
48 Execution units 40
9.5 Generation 7.5
1.05 GHz GPU (Turbo) 1.2 GHz
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode AVC Decode / Encode
Decode VC-1 Decode
Decode / Encode VP9 No
Decode / Encode h265 / HEVC (10 bit) No
Decode / Encode h264 Decode / Encode
Decode / Encode VP8 No
Decode / Encode h265 / HEVC (8 bit) No
Decode / Encode JPEG Decode
No AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 38.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
32.0 GB Max. Memory 32.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
38.4 GB/s Bandwidth 25.6 GB/s
DDR4-2400 Memory type DDR3L-1600, DDR3L-1333
 
 

Thermal Management

The processor has a thermal design power (TDP) of 15 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 47 W watts.
-- Tjunction max 100 °C
15 W TDP (PL1 / PBP) 47 W
 
 

Technical details

The Intel Core i5-8257U is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 6.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-4870HQ is manufactured using a 22 nm process.
Q3/2019 Release date Q3/2014
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Coffee Lake U Architecture Haswell H
14 nm Technology 22 nm
BGA 1528 Socket BGA 1364
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
320 $ Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
6.0 MB L3-Cache 6.0 MB
 
 

Benchmarks

Geekbench 6 (Multi-Core)

Intel Core i5-8257U
4C 8T @ 1.4 GHz
4237
4237
Intel Core i7-4870HQ
4C 8T @ 2.5 GHz
3787
3787

Geekbench 5, 64bit (Multi-Core)

Intel Core i5-8257U
4C 8T @ 1.4 GHz
3770
3770
Intel Core i7-4870HQ
4C 8T @ 2.5 GHz
3467
3467

Geekbench 6 (Single-Core)

Intel Core i5-8257U
4C 8T @ 1.4 GHz
1212
1212
Intel Core i7-4870HQ
4C 8T @ 2.5 GHz
1050
1050

Cinebench R15 (Multi-Core)

Intel Core i5-8257U
4C 8T @ 1.4 GHz
667
667
Intel Core i7-4870HQ
4C 8T @ 2.5 GHz
623
623