Qualcomm Snapdragon S1 vs Intel Atom Z2520

Comparisons   11-03-2021
   So, which chip or processor is better? Detailed compare data of benchmarks Qualcomm Snapdragon S1 vs Intel Atom Z2520, speed examination of GPUs Adreno 200 and PowerVR SGX544.
   This performance comparison includes two processors: Snapdragon S1 is single-core (ARM Cortex-A9) and Atom Z2520 is dual-core (Cloverview). Both processors went throughpower consumption test and battery life test. A careful analysis of all the specifications of the CPUs, so that it can be easier to read, is summarized in the table.
   From the comparison video, you can get the results of parallel benchmarking in software tests such as PCMark, AnTuTu 8, Quadrant, GeekBench 6, 5, WebXPRT 3, Neocore, 3DMark, Mozilla Kraken, PassMark, Vellamo, Octane V2, GFXBench, even the gaming performance of processors in Call of Duty: Mobile, Mortal Kombat, PUBG, Garena Free Fire - The Cobra, Fortnite, Minecraft Bedrock, Real Racing 3, Sniper 3D etc.
   After reading the results of parallel benchmarks and videos, you already be able to understand which CPU is better to buy Snapdragon S1 or Atom Z2520 and which chip is better for gaming: Need for Speed No Limits, CSR Racing 2, Asphalt 9, Madout2.

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

Snapdragon S1

Atom Z2520

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

Snapdragon S1

-62%

Atom Z2520

14%

Gaming performance
Which CPU is better for gaming

Snapdragon S1

Atom Z2520

Antutu v10, 9

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

	Snapdragon S1	Atom Z2520
Total score	16789	11918
CPU	4695	3335
GPU	6379	4536
MEM	2691	1906
UX	3021	2154

GeekBench 6, 5.2

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

	Snapdragon S1	Atom Z2520
Single-Core	44	31
Multi-Core	205	145

Comparison of specifications

CPU and Memory

	Snapdragon S1	Atom Z2520
Frequency	1000 MHz	1200 MHz
Cores	1	2
Bit	32	64
Lithography	65 nm	32 nm
Transistors count
Core configuration	1x1.0GHz ARM Cortex-A9	2x1.2 GHz Cloverview
Power consumption (TDP)	4 W	7 W
Memory type	LPDDR2	LPDDR2
Max. Memory	0.5 Gb	2 Gb
Memory Frequency	266	1066
Memory bandwidth	6	4
Neural Processor (NPU)	No	No
L1 cache	128 KB	128 KB
L2 cache	2 MB	2 MB
L3 cache	1 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 Atom Z2520 is 16% better than Snapdragon S1 in terms of CPU frequency. Another difference is that Snapdragon S1 has 1 more core than Atom Z2520. Also keep in mind that high CPU frequency affects battery life through power consumption.

GPU and Media

GPU	Adreno 200	PowerVR SGX544
GPU Frequency	133 MHz	533 MHz
GFloPS	2.1	17.06
# of Cores		1
# of Shader Units	8
Display	840 x 480 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	3.8	3.2
PlayerUnknown's Battlegrounds (PUBG Mobile)	12.1	9.8
Garena Free Fire - The Cobra	6.9	5.3
Call of Duty: Mobile	6.9	5.9
Grand Theft Auto V (GTA 5 Mobile)	9.5	7.7
Minecraft: Pocket Edition	15.1	11.5
Real Racing 3	12.1	9.3
Sniper 3D	13.1	10.1
Need for Speed No Limits	9.7	9.5
Mortal Kombat X	7.9	6.9
CSR Racing 2	8.3	6.9

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

Networks and Navigation

Modem		Intel XMM 7160
Upload speed		6 MBit/s.
Navigation
NFC support	No	No
5G support	Yes	No

Result:
The number of parameters for which Qualcomm Snapdragon S1 is better: 22
The number of parameters for which Intel Atom Z2520 is better: 15
You need to understand that you should not sightlessly trust the automatic comparison of the table. It is better to just watch the full benchmark video of joint comparison and hear what people think who really appreciated the capabilities of both CPUs Snapdragon S1 and Atom Z2520, as well as read the test results at the links below.

Snapdragon S1 SoC - all data

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

• Snapdragon S1 specs and review.

Atom Z2520 SoC - all data

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

• Atom Z2520 specs and review.