Intel Core i5-3550S vs Intel Atom x5-Z8500

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CPU comparison with benchmarks


Intel Core i5-3550S CPU1 vs CPU2 Intel Atom x5-Z8500
Intel Core i5-3550S Intel Atom x5-Z8500

CPU comparison

Intel Core i5-3550S or Intel Atom x5-Z8500 - 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 Core i5-3550S has 4 cores with 4 threads and clocks with a maximum frequency of 3.70 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i5-3550S was released in Q2/2012.

The Intel Atom x5-Z8500 has 4 cores with 4 threads and clocks with a maximum frequency of 2.24 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Intel Atom x5-Z8500 was released in Q2/2015.
Intel Core i5 (331) Family Intel Atom (101)
Intel Core i 3000 (31) CPU group Intel Atom x3/x5/x7 (9)
3 Generation 5
Ivy Bridge S Architecture Cherry Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-3550S is a 4 core processor with a clock frequency of 3.00 GHz (3.70 GHz). The Intel Atom x5-Z8500 has 4 CPU cores with a clock frequency of 1.44 GHz (2.24 GHz).

Intel Core i5-3550S Characteristic Intel Atom x5-Z8500
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
3.00 GHz Frequency 1.44 GHz
3.70 GHz Turbo Frequency (1 Core) 2.24 GHz
-- Turbo Frequency (All Cores) 2.24 GHz

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 Core i5-3550S Characteristic Intel Atom x5-Z8500
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel HD Graphics 2500 GPU Intel HD Graphics 400
0.65 GHz GPU frequency 0.20 GHz
1.15 GHz GPU (Turbo) 0.60 GHz
7 GPU Generation 8
22 nm Technology 14 nm
3 Max. displays 3
6 Compute units 12
48 Shader 96
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 8 GB
11.0 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.

Intel HD Graphics 2500 GPU Intel HD Graphics 400
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 Decode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode

Memory & PCIe

The Intel Core i5-3550S supports a maximum of 32 GB of memory in 2 memory channels. The Intel Atom x5-Z8500 can connect up to 8 GB of memory in 2 memory channels.

Intel Core i5-3550S Characteristic Intel Atom x5-Z8500
DDR3-1600 Memory DDR3L-1600
32 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
6.00 MB L3 Cache 2.00 MB
3.0 PCIe version 2.0
16 PCIe lanes 2
15.8 GB/s PCIe Bandwidth 1.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-3550S has a TDP of 65 W, that of the Intel Atom x5-Z8500 is 2 W.

Intel Core i5-3550S Characteristic Intel Atom x5-Z8500
65 W TDP (PL1 / PBP) 2 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i5-3550S has a 6.00 MB cache, while the Intel Atom x5-Z8500 cache has a total of 2.00 MB.

Intel Core i5-3550S Characteristic Intel Atom x5-Z8500
22 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2
LGA 1155 Socket BGA 138
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q2/2012 Release date Q2/2015
197 $ Release price 23 $
show more data show more data


Rate these processors

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Here you can rate the Intel Atom x5-Z8500 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i5-3550S (100%)
Intel Atom x5-Z8500 (27%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core i5-3550S (100%)
Intel Atom x5-Z8500 (28%)

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 Core i5-3550S Intel Core i5-3550S
4C 4T @ 3.70 GHz
781 (100%)
Intel Atom x5-Z8500 Intel Atom x5-Z8500
4C 4T @ 2.24 GHz
224 (29%)

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 Core i5-3550S Intel Core i5-3550S
4C 4T @ 3.00 GHz
2528 (100%)
Intel Atom x5-Z8500 Intel Atom x5-Z8500
4C 4T @ 2.24 GHz
798 (32%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i5-3550S Intel Core i5-3550S
4C 4T @ 3.70 GHz
722 (100%)
Intel Atom x5-Z8500 Intel Atom x5-Z8500
4C 4T @ 2.24 GHz
184 (25%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i5-3550S Intel Core i5-3550S
4C 4T @ 3.00 GHz
2082 (100%)
Intel Atom x5-Z8500 Intel Atom x5-Z8500
4C 4T @ 2.24 GHz
546 (26%)

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 Core i5-3550S Intel Core i5-3550S
Intel HD Graphics 2500 @ 1.15 GHz
110 (88%)
Intel Atom x5-Z8500 Intel Atom x5-Z8500
Intel HD Graphics 400 @ 0.60 GHz
126 (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 Core i5-3550S Intel Core i5-3550S
4C 4T @ 3.00 GHz
4512 (100%)
Intel Atom x5-Z8500 Intel Atom x5-Z8500
4C 4T @ 2.24 GHz
1237 (27%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-3550S Intel Core i5-3550S
4C 4T @ 3.70 GHz
0 (0%)
Intel Atom x5-Z8500 Intel Atom x5-Z8500
4C 4T @ 2.24 GHz
38 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-3550S Intel Core i5-3550S
4C 4T @ 3.00 GHz
0 (0%)
Intel Atom x5-Z8500 Intel Atom x5-Z8500
4C 4T @ 2.24 GHz
136 (100%)

Devices using this processor

Intel Core i5-3550S Intel Atom x5-Z8500
Unknown Unknown

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