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.
Intel Core i 11000 Group Intel Atom Z2400/Z2600
11 Generation 3
Intel Core i7-11700K Name Intel Atom Z2420
Desktop / Server Segment Mobile
Intel Core i7 Family Intel Atom
 
 

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.
4.5 GHz Turbo Frequency (all cores) None
5.0 GHz Turbo Frequency (1 core) None
normal Core architecture normal
3.6 GHz Frequency 1.2 GHz
8 CPU Cores 1
Yes Overclocking No
Yes Hyperthreading Yes
8x Cores 1x
16 Threads 2
 
 

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.
1.3 GHz GPU (Turbo) --
14 nm Technology 45 nm
12 Direct X 10.1
64.0 GB Max. GPU Memory 0 bytes
32 Execution units 1
Q1/2021 Release date Q1/2008
Intel UHD Graphics 750 GPU name PowerVR SGX540
256 Shaders --
0.35 GHz GPU frequency 0.4 GHz
12 Generation --
-- Max. displays --
 
 

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 h265 / HEVC (8 bit) No
Decode / Encode VP9 No
Decode VP8 No
Decode VC-1 No
Decode / Encode JPEG No
Decode / Encode h264 No
Decode / Encode h265 / HEVC (10 bit) No
Decode / Encode AVC 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.
DDR4-3200 Memory type LPDDR2-800
51.2 GB/s Bandwidth 6.4 GB/s
Yes AES-NI No
No ECC No
pci PCIe pci
128.0 GB Max. Memory 1.0 GB
2 Memory channels 2
 
 

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.
95 W TDP down None
125 W TDP (PL1 / PBP) 3 W
100 °C Tjunction max 90 °C
 
 

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.
VT-x, VT-x EPT, VT-d Virtualization None
14 nm Technology 32 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE3, MMX, SSSE3
-- Part Number --
Monolithic Chip design Monolithic
Q1/2021 Release date Q1/2013
374 $ Release price --
4.0 MB L2-Cache 512.0 KB
Technical data sheet Documents Technical data sheet
16.0 MB L3-Cache 0 bytes
LGA 1200 Socket BGA 617
Windows 10, Linux, Windows 11 Operating systems
Rocket Lake S Architecture Penwell