Intel Atom Z2420 vs Intel Core i7-10700E

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CPU comparison with benchmarks


Intel Atom Z2420 CPU1 vs CPU2 Intel Core i7-10700E
Intel Atom Z2420 Intel Core i7-10700E

CPU comparison

Intel Atom Z2420 or Intel Core i7-10700E - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Atom Z2420 has 1 cores with 2 threads and clocks with a maximum frequency of 1.20 GHz. Up to 1 GB of memory is supported in 2 memory channels. The Intel Atom Z2420 was released in Q1/2013.

The Intel Core i7-10700E has 8 cores with 16 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i7-10700E was released in Q2/2020.
Intel Atom (108) Family Intel Core i7 (298)
Intel Atom Z2400/Z2600 (2) CPU group Intel Core i 10000 (43)
3 Generation 10
Penwell Architecture Comet Lake S
Mobile Segment Desktop / Server
-- Predecessor Intel Core i7-9700E
-- Successor --

CPU Cores and Base Frequency

The Intel Atom Z2420 has 1 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Atom Z2420 is 1.20 GHz while the Intel Core i7-10700E has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Core i7-10700E is at 2.90 GHz (4.50 GHz).

Intel Atom Z2420 Characteristic Intel Core i7-10700E
1 Cores 8
2 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.20 GHz Frequency 2.90 GHz
-- Turbo Frequency (1 Core) 4.50 GHz
-- Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Atom Z2420 Characteristic Intel Core i7-10700E
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Atom Z2420 or Intel Core i7-10700E has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

PowerVR SGX540 GPU Intel UHD Graphics 630
0.40 GHz GPU frequency 0.35 GHz
-- GPU (Turbo) 1.15 GHz
-- GPU Generation 9.5
45nm Technology 14 nm
1 Max. displays 3
1 Compute units 24
-- Shader 192
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
10.1 DirectX Version 12

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.

PowerVR SGX540 GPU Intel UHD Graphics 630
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Atom Z2420 can use up to 1 GB of memory in 2 memory channels. The maximum memory bandwidth is 6.4 GB/s. The Intel Core i7-10700E supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 46.9 GB/s.

Intel Atom Z2420 Characteristic Intel Core i7-10700E
LPDDR2-800 Memory DDR4-2933
1 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
6.4 GB/s Max. Bandwidth 46.9 GB/s
No ECC No
0.50 MB L2 Cache --
-- L3 Cache 16.00 MB
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Atom Z2420 is 3 W, while the Intel Core i7-10700E has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Atom Z2420 Characteristic Intel Core i7-10700E
3 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. 100 °C

Technical details

The Intel Atom Z2420 is manufactured in 32 nm and has 0.50 MB cache. The Intel Core i7-10700E is manufactured in 14 nm and has a 16.00 MB cache.

Intel Atom Z2420 Characteristic Intel Core i7-10700E
32 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE3, SSSE3 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 617 Socket LGA 1200
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Operating systems Windows 10, Windows 11, Linux
Q1/2013 Release date Q2/2020
-- Release price 330 $
show more data show more data


Rate these processors

Here you can rate the Intel Atom Z2420 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Intel Core i7-10700E to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:


iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Atom Z2420 Intel Atom Z2420
PowerVR SGX540 @ 0.40 GHz
6 (1%)
Intel Core i7-10700E Intel Core i7-10700E
Intel UHD Graphics 630 @ 1.15 GHz
442 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Core i7-10700E Intel Core i7-10700E
8C 16T @ 4.50 GHz
1220 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Core i7-10700E Intel Core i7-10700E
8C 16T @ 2.90 GHz
6402 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Atom Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Core i7-10700E Intel Core i7-10700E
8C 16T @ 2.90 GHz
14775 (100%)

Devices using this processor

Intel Atom Z2420 Intel Core i7-10700E
Unknown Unknown

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