Intel Atom x5-Z8550 vs Intel Celeron N2940

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CPU comparison with benchmarks


Intel Atom x5-Z8550 CPU1 vs CPU2 Intel Celeron N2940
Intel Atom x5-Z8550 Intel Celeron N2940

CPU comparison

Intel Atom x5-Z8550 or Intel Celeron N2940 - 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 x5-Z8550 has 4 cores with 4 threads and clocks with a maximum frequency of 2.40 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Atom x5-Z8550 was released in Q1/2016.

The Intel Celeron N2940 has 4 cores with 4 threads and clocks with a maximum frequency of 2.25 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Intel Celeron N2940 was released in Q2/2014.
Intel Atom (101) Family Intel Celeron (165)
Intel Atom x3/x5/x7 (9) CPU group Intel Celeron J1000/N2000 (17)
5 Generation 6
Cherry Trail Architecture Bay Trail
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom x5-Z8550 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Atom x5-Z8550 is 1.44 GHz (2.40 GHz) while the Intel Celeron N2940 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Celeron N2940 is at 1.83 GHz (2.25 GHz).

Intel Atom x5-Z8550 Characteristic Intel Celeron N2940
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.44 GHz Frequency 1.83 GHz
2.40 GHz Turbo Frequency (1 Core) 2.25 GHz
2.40 GHz Turbo Frequency (All Cores) 2.25 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 Atom x5-Z8550 Characteristic Intel Celeron N2940
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Atom x5-Z8550 or Intel Celeron N2940 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.

Intel HD Graphics 400 GPU Intel HD Graphics (Bay Trail GT1)
0.20 GHz GPU frequency 0.31 GHz
0.60 GHz GPU (Turbo) 0.85 GHz
8 GPU Generation 7
14 nm Technology 22 nm
3 Max. displays 2
12 Compute units 4
96 Shader 32
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory 2 GB
12 DirectX Version 11.2

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 400 GPU Intel HD Graphics (Bay Trail GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 No
Decode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode

Memory & PCIe

The Intel Atom x5-Z8550 can use up to 8 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Celeron N2940 supports up to 8 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

Intel Atom x5-Z8550 Characteristic Intel Celeron N2940
DDR3L-1600 Memory DDR3-1333
8 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 2.00 MB
2.0 PCIe version 2.0
2 PCIe lanes 4
1.0 GB/s PCIe Bandwidth 2.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Atom x5-Z8550 is 2 W, while the Intel Celeron N2940 has a TDP of 7.5 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Atom x5-Z8550 Characteristic Intel Celeron N2940
2 W TDP (PL1 / PBP) 7.5 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 4.5 W
-- Tjunction max. 100 °C

Technical details

The Intel Atom x5-Z8550 is manufactured in 14 nm and has 2.00 MB cache. The Intel Celeron N2940 is manufactured in 22 nm and has a 2.00 MB cache.

Intel Atom x5-Z8550 Characteristic Intel Celeron N2940
14 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
BGA 138 Socket BGA 1170
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
Yes AES-NI No
Operating systems Windows 10, Linux
Q1/2016 Release date Q2/2014
23 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
⌀ Multi core performance in 4 CPU benchmarks

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 x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
231 (100%)
Intel Celeron N2940 Intel Celeron N2940
4C 4T @ 2.25 GHz
218 (94%)

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 x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
827 (100%)
Intel Celeron N2940 Intel Celeron N2940
4C 4T @ 2.25 GHz
730 (88%)

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 Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
202 (100%)
Intel Celeron N2940 Intel Celeron N2940
4C 4T @ 2.25 GHz
177 (88%)

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 Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
568 (100%)
Intel Celeron N2940 Intel Celeron N2940
4C 4T @ 2.25 GHz
526 (93%)

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 x5-Z8550 Intel Atom x5-Z8550
Intel HD Graphics 400 @ 0.60 GHz
126 (100%)
Intel Celeron N2940 Intel Celeron N2940
Intel HD Graphics (Bay Trail GT1) @ 0.85 GHz
55 (43%)

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 x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
1179 (100%)
Intel Celeron N2940 Intel Celeron N2940
4C 4T @ 2.25 GHz
1035 (88%)

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 Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
40 (100%)
Intel Celeron N2940 Intel Celeron N2940
4C 4T @ 2.25 GHz
38 (95%)

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 Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
145 (100%)
Intel Celeron N2940 Intel Celeron N2940
4C 4T @ 2.25 GHz
140 (97%)

Devices using this processor

Intel Atom x5-Z8550 Intel Celeron N2940
Unknown Unknown

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