Intel Core i7-8700K vs Intel Core i7-12800HE

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-8700K or Intel Core i7-8700K – 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 i7-8700K features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q4/2017 and belongs to the 8 generation of the Intel Core i7 series.
To use the Intel Core i7-8700K, you'll need a motherboard with a LGA 1151-2 socket.
The Intel Core i7-12800HE features 14 processor cores and has the capability to manage 20 threads concurrently.
It was released in Q1/2022 and belongs to the 12 generation of the Intel Core i7 series.
To use the Intel Core i7-12800HE, you'll need a motherboard with a BGA 1744 socket.
Desktop / Server Segment Mobile
Intel Core i7-8700K Name Intel Core i7-12800HE
Intel Core i7 Family Intel Core i7
8 Generation 12
Intel Core i 8000 Group Intel Core i 12000H
 
 

CPU Cores and Base Frequency

The Intel Core i7-8700K has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-8700K is 3.7 GHz
and turbo frequency for one core is 4.7 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i7-12800HE has 14 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the A-Core is 2.4 GHz.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
4.7 GHz Turbo Frequency (1 core) None
None None 4.6 GHz
None None 1.8 GHz
None None 2.4 GHz
None None 8x Gracemont
None None 6x Golden Cove
Yes Overclocking No
normal Core architecture hybrid (big.LITTLE)
3.7 GHz Frequency None
None None 3.5 GHz
12 Threads 20
4.3 GHz Turbo Frequency (all cores) None
Yes Hyperthreading Yes
6 CPU Cores 14
6x Cores None
 
 

Internal Graphics

The Intel Core i7-8700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-8700K uses the Intel UHD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-12800HE has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-12800HE uses the Intel Iris Xe Graphics 96 (Alder Lake), which has 768 texture shaders
and 96 execution units.
0.35 GHz GPU frequency 0.4 GHz
Q4/2017 Release date Q1/2022
12 Direct X 12.1
Intel UHD Graphics 630 GPU name Intel Iris Xe Graphics 96 (Alder Lake)
14 nm Technology 10 nm
-- Max. displays --
192 Shaders 768
64.0 GB Max. GPU Memory 32.0 GB
24 Execution units 96
9.5 Generation 13
1.2 GHz GPU (Turbo) 1.4 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 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode VP8 Decode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode JPEG Decode / Encode
No AV1 Decode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 42.7 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 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
128.0 GB Max. Memory 64.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
42.7 GB/s Bandwidth 76.8 GB/s
DDR4-2666 Memory type DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200
 
 

Thermal Management

The processor has a thermal design power (TDP) of 95 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 45 W watts.
-- Tjunction max 100 °C
None TDP (PL2) 115 W
95 W TDP (PL1 / PBP) 45 W
None TDP down 35 W
 
 

Technical details

The Intel Core i7-8700K 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 12.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-12800HE is manufactured using a 10 nm process.
In total, this processor boasts a generous 24.0 MB cache.
Q4/2017 Release date Q1/2022
-- Part Number --
0 bytes L2-Cache 11.5 MB
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, AVX2+
Monolithic Chip design Monolithic
Coffee Lake S Architecture Alder Lake H
14 nm Technology 10 nm
LGA 1151-2 Socket BGA 1744
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
370 $ Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
12.0 MB L3-Cache 24.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i7-12800HE
14C 20T @ 2.4 GHz
24605
24605
Intel Core i7-8700K
6C 12T @ 3.7 GHz
13770
13770

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-12800HE
14C 20T @ 2.4 GHz
12465
12465
Intel Core i7-8700K
6C 12T @ 3.7 GHz
6693
6693

Geekbench 6 (Multi-Core)

Intel Core i7-12800HE
14C 20T @ 2.4 GHz
12167
12167
Intel Core i7-8700K
6C 12T @ 3.7 GHz
6750
6750

Geekbench 6 (Single-Core)

Intel Core i7-12800HE
14C 20T @ 2.4 GHz
2196
2196
Intel Core i7-8700K
6C 12T @ 3.7 GHz
1486
1486

Geekbench 5, 64bit (Single-Core)

Intel Core i7-12800HE
14C 20T @ 2.4 GHz
1753
1753
Intel Core i7-8700K
6C 12T @ 3.7 GHz
1242
1242