Intel Xeon E5-2660 v3 vs Intel Atom x5-Z8550

Last updated:

CPU comparison with benchmarks


Intel Xeon E5-2660 v3 CPU1 vs CPU2 Intel Atom x5-Z8550
Intel Xeon E5-2660 v3 Intel Atom x5-Z8550

CPU comparison

Intel Xeon E5-2660 v3 or Intel Atom x5-Z8550 - 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 Xeon E5-2660 v3 has 10 cores with 20 threads and clocks with a maximum frequency of 3.30 GHz. Up to 768 GB of memory is supported in 4 memory channels. The Intel Xeon E5-2660 v3 was released in Q3/2014.

The Intel Atom x5-Z8550 has 4 cores with 4 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Intel Atom x5-Z8550 was released in Q1/2016.
Intel Xeon E5 (71) Family Intel Atom (101)
Intel Xeon E5 v3 (32) CPU group Intel Atom x3/x5/x7 (9)
5 Generation 5
Haswell E Architecture Cherry Trail
Desktop / Server Segment Mobile
Intel Xeon E5-2660 v2 Predecessor --
Intel Xeon E5-2660 v4 Successor --

CPU Cores and Base Frequency

The Intel Xeon E5-2660 v3 is a 10 core processor with a clock frequency of 2.60 GHz (3.30 GHz). The Intel Atom x5-Z8550 has 4 CPU cores with a clock frequency of 1.44 GHz (2.40 GHz).

Intel Xeon E5-2660 v3 Characteristic Intel Atom x5-Z8550
10 Cores 4
20 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.60 GHz Frequency 1.44 GHz
3.30 GHz Turbo Frequency (1 Core) 2.40 GHz
3.00 GHz Turbo Frequency (All Cores) 2.40 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 Xeon E5-2660 v3 Characteristic Intel Atom x5-Z8550
-- 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.

no iGPU GPU Intel HD Graphics 400
GPU frequency 0.20 GHz
-- GPU (Turbo) 0.60 GHz
-- GPU Generation 8
Technology 14 nm
Max. displays 3
-- Compute units 12
-- Shader 96
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 8 GB
-- 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.

no iGPU GPU Intel HD Graphics 400
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 Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode

Memory & PCIe

The Intel Xeon E5-2660 v3 supports a maximum of 768 GB of memory in 4 memory channels. The Intel Atom x5-Z8550 can connect up to 8 GB of memory in 2 memory channels.

Intel Xeon E5-2660 v3 Characteristic Intel Atom x5-Z8550
DDR4-2133 Memory DDR3L-1600
768 GB Max. Memory 8 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
68.2 GB/s Max. Bandwidth 25.6 GB/s
Yes ECC No
-- L2 Cache --
25.00 MB L3 Cache 2.00 MB
3.0 PCIe version 2.0
40 PCIe lanes 2
39.4 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 Xeon E5-2660 v3 has a TDP of 105 W, that of the Intel Atom x5-Z8550 is 2 W.

Intel Xeon E5-2660 v3 Characteristic Intel Atom x5-Z8550
105 W TDP (PL1 / PBP) 2 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon E5-2660 v3 has a 25.00 MB cache, while the Intel Atom x5-Z8550 cache has a total of 2.00 MB.

Intel Xeon E5-2660 v3 Characteristic Intel Atom x5-Z8550
22 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2
LGA 2011-3 Socket BGA 138
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q3/2014 Release date Q1/2016
-- Release price 23 $
show more data show more data


Rate these processors

Here you can rate the Intel Xeon E5-2660 v3 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the Intel Atom x5-Z8550 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


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 Xeon E5-2660 v3 Intel Xeon E5-2660 v3
10C 20T @ 3.30 GHz
884 (100%)
Intel Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
231 (26%)

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 Xeon E5-2660 v3 Intel Xeon E5-2660 v3
10C 20T @ 3.00 GHz
7022 (100%)
Intel Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
827 (12%)

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 Xeon E5-2660 v3 Intel Xeon E5-2660 v3
10C 20T @ 3.30 GHz
1042 (100%)
Intel Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
202 (19%)

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 Xeon E5-2660 v3 Intel Xeon E5-2660 v3
10C 20T @ 3.00 GHz
6285 (100%)
Intel Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
568 (9%)

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 Xeon E5-2660 v3 Intel Xeon E5-2660 v3
10C 20T @ 3.00 GHz
13147 (100%)
Intel Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
1179 (9%)

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 Xeon E5-2660 v3 Intel Xeon E5-2660 v3
10C 20T @ 3.30 GHz
127 (100%)
Intel Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
40 (31%)

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 Xeon E5-2660 v3 Intel Xeon E5-2660 v3
10C 20T @ 3.00 GHz
1593 (100%)
Intel Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 2.40 GHz
145 (9%)

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 Xeon E5-2660 v3 Intel Xeon E5-2660 v3
@ 0.00 GHz
0 (0%)
Intel Atom x5-Z8550 Intel Atom x5-Z8550
Intel HD Graphics 400 @ 0.60 GHz
126 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Xeon E5-2660 v3 Intel Xeon E5-2660 v3
10C 20T @ 2.60 GHz
3967 (100%)
Intel Atom x5-Z8550 Intel Atom x5-Z8550
4C 4T @ 1.44 GHz
0 (0%)

Devices using this processor

Intel Xeon E5-2660 v3 Intel Atom x5-Z8550
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Atom x5-Z8550Intel Celeron N4000 Intel Atom x5-Z8550 vs Intel Celeron N4000
2. Intel Atom x5-Z8500Intel Atom x5-Z8550 Intel Atom x5-Z8500 vs Intel Atom x5-Z8550
3. Intel Xeon E5-2660 v3Intel Xeon E5-2660 v4 Intel Xeon E5-2660 v3 vs Intel Xeon E5-2660 v4
4. Intel Atom x7-Z8750Intel Atom x5-Z8550 Intel Atom x7-Z8750 vs Intel Atom x5-Z8550
5. Intel Atom x5-Z8350Intel Atom x5-Z8550 Intel Atom x5-Z8350 vs Intel Atom x5-Z8550
6. Intel Atom x7-Z8700Intel Atom x5-Z8550 Intel Atom x7-Z8700 vs Intel Atom x5-Z8550
7. Intel Pentium N4200Intel Atom x5-Z8550 Intel Pentium N4200 vs Intel Atom x5-Z8550
8. Intel Xeon E5-2660 v3Intel Xeon E5-2680 v4 Intel Xeon E5-2660 v3 vs Intel Xeon E5-2680 v4
9. Intel Atom Z3735FIntel Atom x5-Z8550 Intel Atom Z3735F vs Intel Atom x5-Z8550
10. Intel Core m3-6Y30Intel Atom x5-Z8550 Intel Core m3-6Y30 vs Intel Atom x5-Z8550


back to index