Intel Atom Z2420 vs Intel Atom Z2520

Last updated:

CPU comparison with benchmarks


Intel Atom Z2420 CPU1 vs CPU2 Intel Atom Z2520
Intel Atom Z2420 Intel Atom Z2520

CPU comparison

Intel Atom Z2420 or Intel Atom Z2520 - 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 Atom Z2520 has 2 cores with 4 threads and clocks with a maximum frequency of 1.20 GHz. The CPU supports up to 2 GB of memory in 2 memory channels. The Intel Atom Z2520 was released in Q2/2013.
Intel Atom (108) Family Intel Atom (108)
Intel Atom Z2400/Z2600 (2) CPU group Intel Atom Z2500/Z2700 (3)
3 Generation 2
Penwell Architecture Cloverview
Mobile Segment Mobile
-- Predecessor --
-- 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 Atom Z2520 has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom Z2520 is at 1.20 GHz.
Intel Atom Z2420 Characteristic Intel Atom Z2520
1 Cores 2
2 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.20 GHz Frequency 1.20 GHz
-- Turbo Frequency (1 Core) --
-- 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 Atom Z2520
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Atom Z2420 or Intel Atom Z2520 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 PowerVR SGX544 MP2
0.40 GHz GPU frequency 0.30 GHz
-- GPU (Turbo) --
-- GPU Generation --
45nm Technology 45nm
1 Max. displays 2
1 Compute units 4
-- Shader 8
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
10.1 DirectX Version 10.1

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 PowerVR SGX544 MP2
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 Decode
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

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 Atom Z2520 supports up to 2 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 8.5 GB/s.
Intel Atom Z2420 Characteristic Intel Atom Z2520
LPDDR2-800 Memory LPDDR2-1066
1 GB Max. Memory 2 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
6.4 GB/s Max. Bandwidth 8.5 GB/s
No ECC No
0.50 MB L2 Cache 1.00 MB
-- L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Atom Z2420 is 3 W, while the Intel Atom Z2520 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Atom Z2420 Characteristic Intel Atom Z2520
3 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. 90 °C

Technical details

The Intel Atom Z2420 is manufactured in 32 nm and has 0.50 MB cache. The Intel Atom Z2520 is manufactured in 32 nm and has a 1.00 MB cache.
Intel Atom Z2420 Characteristic Intel Atom Z2520
32 nm Technology 32 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE3, SSSE3 ISA extensions MMX, SSE3, SSSE3
BGA 617 Socket BGA
None Virtualization None
No AES-NI No
Operating systems
Q1/2013 Release date Q2/2013
-- Release price --
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 Atom Z2520 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 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 (100%)
Intel Atom Z2520 Intel Atom Z2520
PowerVR SGX544 MP2 @ 0.30 GHz
0 (0%)

Devices using this processor
Intel Atom Z2420 Intel Atom Z2520
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Atom Z2420Intel Xeon E-2286M Intel Atom Z2420 vs Intel Xeon E-2286M
2. Intel Atom Z2420Intel Xeon D-1537 Intel Atom Z2420 vs Intel Xeon D-1537
3. Intel Atom Z2420Intel Core i5-12400 Intel Atom Z2420 vs Intel Core i5-12400
4. AMD Phenom II X2 560Intel Atom Z2420 AMD Phenom II X2 560 vs Intel Atom Z2420
5. Intel Celeron 5305UIntel Atom Z2420 Intel Celeron 5305U vs Intel Atom Z2420
6. Intel Core i5-12600KFIntel Atom Z2420 Intel Core i5-12600KF vs Intel Atom Z2420
7. Intel Atom Z2420Intel Core i5-2310 Intel Atom Z2420 vs Intel Core i5-2310
8. Intel Atom E3805Intel Atom Z2420 Intel Atom E3805 vs Intel Atom Z2420
9. Intel Atom Z2420Intel Core i3-2367M Intel Atom Z2420 vs Intel Core i3-2367M
10. Intel Core i7-11700KIntel Atom Z2420 Intel Core i7-11700K vs Intel Atom Z2420


back to index