Intel Atom Z2520 vs Rockchip RK3126C

Comparisons 11-03-2021

So, which processor or chip is better? Detailed data of speed tests and benchmarks Intel Atom Z2520 vs Rockchip RK3126C, compare of GPUs PowerVR SGX544 and Mali-400 MP2.

This performance comparison involves two processors: Atom Z2520 is dual-core (Cloverview) and Rockchip RK3126C is quad-core (ARM Cortex-A7). Both processors went through battery life test and power consumption test. A thorough analysis of all the specifications, so that it can be easier to understand, is summarized in the table.

From the video comparison, you can get the results of parallel benchmarking in synthetic type tests such as 3DMark, AnTuTu 8, Mozilla Kraken, Neocore, Octane V2, GFXBench, Geekbench, PCMark, WebXPRT 3, PassMark, Quadrant, Vellamo, even the gaming performance of processors in Real Racing 3, Garena Free Fire - The Cobra, Call of Duty: Mobile, PUBG, Fortnite, Sniper 3D, Mortal Kombat, Minecraft Bedrock etc.

After reading the results of all benchmarks and videos, you already be able to figure out which SoCs is better to buy Atom Z2520 or Rockchip RK3126C and which chip is better for gaming: CSR Racing 2, Asphalt 9, Madout2, Need for Speed No Limits.

Summary benchmark results

As a percentage of the maximum value based on a sample from the entire base of all processors
CPU Benchmark
Based on Antutu and Geekbench score

Atom Z2520

Rockchip RK3126C

Battery life test
Power Consumption efficiency (how quickly the processor reduces the battery charge)

Atom Z2520

14%

Rockchip RK3126C

32%

Gaming performance
Which CPU is better for gaming

Atom Z2520

Rockchip RK3126C

Antutu v10, 9

Antutu benchmark separately tests the performance of the CPU, GPU, and memory speed

	Atom Z2520	Rockchip RK3126C
Total score	11918	19847
CPU	3335	5558
GPU	4536	7536
MEM	1906	3169
UX	2154	3579

GeekBench 6, 5.2

This benchmark shows Multi-threaded and Single-threaded processor performance

	Atom Z2520	Rockchip RK3126C
Single-Core	31	52
Multi-Core	145	242

Comparison of specifications

CPU and Memory

	Atom Z2520	Rockchip RK3126C
Frequency	1200 MHz	1300 MHz
Cores	2	4
Bit	64	32
Lithography	32 nm	28 nm
Transistors count
Core configuration	2x1.2 GHz Cloverview	4x1.3 GHz ARM Cortex-A7
Power consumption (TDP)	7 W	7 W
Memory type	LPDDR2	LPDDR3
Max. Memory	2 Gb	1 Gb
Memory Frequency	1066	667
Memory bandwidth	4	4
Neural Processor (NPU)	No	No
L1 cache	128 KB	128 KB
L2 cache	2 MB	2 MB
L3 cache	8 MB	8 MB
Instruction set architecture (ISA)	ARMv8-A	ARMv8-A

In this comparison block, you should pay attention to the differences in clock speed and the number of cores. Here Rockchip RK3126C is 7% better than Atom Z2520 in terms of CPU frequency. Another difference is that Atom Z2520 has 2 more core than Rockchip RK3126C. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	PowerVR SGX544	Mali-400 MP2
GPU Frequency	533 MHz	500 MHz
GFloPS	17.06	9
# of Cores	1	2
# of Shader Units
Display	1280 x 800 pixels	1280 x 800 pixels

The frequency of the GPU does not always directly indicate its performance. To fully evaluate all the capabilities of a graphics chip, you should take into account the number of Shader Units and Cores, as well as how many GFlops it has.

Gaming benchmark

Fortnite Mobile	3.2	3.1
PlayerUnknown's Battlegrounds (PUBG Mobile)	9.8	14.5
Garena Free Fire - The Cobra	5.3	8.6
Call of Duty: Mobile	5.9	6.6
Grand Theft Auto V (GTA 5 Mobile)	7.7	10.1
Minecraft: Pocket Edition	11.5	18.2
Real Racing 3	9.3	10.8
Sniper 3D	10.1	11.2
Need for Speed No Limits	9.5	12
Mortal Kombat X	6.9	9.9
CSR Racing 2	6.9	12

The numbers in this table indicate the maximum FPS that was received on the device with the corresponding processor. Depending on the configuration of the gadget and graphics quality settings (Ultra, Medium, Normal), the results may differ quite significantly.
Due to the low performance of the processors, the results of the gaming tests are calculated by analogy with other more powerful CPUs from the site database. We recommend that you better study the results of the Antutu v10, 9 and GeekBench 6, 5.2 becnmarks.

Cameras

Camera resolution	8 MP	8 MP
Image Signal Processor (ISP)
Video Encoding FPS	30	30
Video Encoding resolution	FullHD	FullHD
Codec support	H.264	H.264

Networks and Navigation

Modem	Intel XMM 7160
Upload speed	6 MBit/s.
Navigation		GPS, Galileo, Glonass, Beidou
NFC support	No	No
5G support	Yes	No

Result:
The number of parameters for which Intel Atom Z2520 is better: 9
The number of parameters for which Rockchip RK3126C is better: 22
Please note that you do not need to sightlessly trust the automatic comparison on the table. It is better to just watch the full benchmark video of parallel comparison and listen to what those who really appreciated the capabilities of both CPUs think, as well as read the test results at the links below.

Atom Z2520 SoC - all data

• Devices lists
• Benchmarks
• PUBG mobile
• Fortnite Mobile
• 3DMark
• Antutu v10
• GeekBench 6, 5 mobile

• Atom Z2520 specs and review.

Rockchip RK3126C SoC - all data

• Devices lists
• Benchmarks
• PUBG mobile
• Fortnite Mobile
• 3DMark
• Antutu v10
• GeekBench 6, 5 mobile

• Rockchip RK3126C specs and review.