Intel Core i7-11700K vs Intel Atom Z2420

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-11700K or Intel Core i7-11700K – 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 i7-11700K features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2021 and belongs to the 11 generation of the Intel Core i7 series.
To use the Intel Core i7-11700K, you'll need a motherboard with a LGA 1200 socket.
The Intel Atom Z2420 features 1 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q1/2013 and belongs to the 3 generation of the Intel Atom series.
To use the Intel Atom Z2420, you'll need a motherboard with a BGA 617 socket.
Desktop / Server Segment Mobile
Intel Core i7-11700K Name Intel Atom Z2420
Intel Core i7 Family Intel Atom
11 Generation 3
Intel Core i 11000 Group Intel Atom Z2400/Z2600
 
 

CPU Cores and Base Frequency

The Intel Core i7-11700K has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i7-11700K is 3.6 GHz
and turbo frequency for one core is 5.0 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Atom Z2420 has 1 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the Intel Atom Z2420 is 1.2 GHz
The processor has one core only.
5.0 GHz Turbo Frequency (1 core) None
Yes Overclocking No
normal Core architecture normal
3.6 GHz Frequency 1.2 GHz
16 Threads 2
4.5 GHz Turbo Frequency (all cores) None
Yes Hyperthreading Yes
8 CPU Cores 1
8x Cores 1x
 
 

Internal Graphics

The Intel Core i7-11700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-11700K uses the Intel UHD Graphics 750, which has 256 texture shaders
and 32 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Atom Z2420 has integrated graphics, called iGPU for short.
and 1 execution units.
0.35 GHz GPU frequency 0.4 GHz
Q1/2021 Release date Q1/2008
12 Direct X 10.1
Intel UHD Graphics 750 GPU name PowerVR SGX540
14 nm Technology 45 nm
-- Max. displays --
256 Shaders --
64.0 GB Max. GPU Memory 0 bytes
32 Execution units 1
12 Generation --
1.3 GHz GPU (Turbo) --
 
 

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 No
Decode VC-1 No
Decode / Encode VP9 No
Decode / Encode h265 / HEVC (10 bit) No
Decode / Encode h264 No
Decode VP8 No
Decode / Encode h265 / HEVC (8 bit) No
Decode / Encode JPEG No
Decode AV1 No
 
 

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 51.2 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 1.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 6.4 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 1.0 GB
pci PCIe pci
Yes AES-NI No
No ECC No
51.2 GB/s Bandwidth 6.4 GB/s
DDR4-3200 Memory type LPDDR2-800
 
 

Thermal Management

The processor has a thermal design power (TDP) of 125 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 3 W watts.
100 °C Tjunction max 90 °C
125 W TDP (PL1 / PBP) 3 W
95 W TDP down None
 
 

Technical details

The Intel Core i7-11700K 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 16.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Atom Z2420 is manufactured using a 32 nm process.
Q1/2021 Release date Q1/2013
-- Part Number --
4.0 MB L2-Cache 512.0 KB
VT-x, VT-x EPT, VT-d Virtualization None
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE3, MMX, SSSE3
Monolithic Chip design Monolithic
Rocket Lake S Architecture Penwell
14 nm Technology 32 nm
LGA 1200 Socket BGA 617
Windows 10, Linux, Windows 11 Operating systems
374 $ Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
16.0 MB L3-Cache 0 bytes