Intel Atom E3826 vs Intel Core i7-5557U

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CPU comparison with benchmarks


Intel Atom E3826 CPU1 vs CPU2 Intel Core i7-5557U
Intel Atom E3826 Intel Core i7-5557U

CPU comparison

Intel Atom E3826 or Intel Core i7-5557U - 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 E3826 has 2 cores with 2 threads and clocks with a maximum frequency of 1.46 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Atom E3826 was released in Q4/2013.

The Intel Core i7-5557U has 2 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core i7-5557U was released in Q1/2015.
Intel Atom (101) Family Intel Core i7 (293)
Intel Atom E3800 (6) CPU group Intel Core i 5000U (16)
4 Generation 5
Bay Trail Architecture Broadwell U
Mobile Segment Mobile
-- Predecessor --
-- Successor Intel Core i7-6567U

CPU Cores and Base Frequency

The Intel Atom E3826 is a 2 core processor with a clock frequency of 1.46 GHz. The Intel Core i7-5557U has 2 CPU cores with a clock frequency of 3.10 GHz (3.40 GHz).

Intel Atom E3826 Characteristic Intel Core i7-5557U
2 Cores 2
2 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.46 GHz Frequency 3.10 GHz
-- Turbo Frequency (1 Core) 3.40 GHz
-- Turbo Frequency (All Cores) 3.40 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 Atom E3826 Characteristic Intel Core i7-5557U
-- 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 (Bay Trail GT1) GPU Intel Iris Graphics 6100
0.53 GHz GPU frequency 0.30 GHz
0.67 GHz GPU (Turbo) 1.10 GHz
7 GPU Generation 8
22 nm Technology 14 nm
2 Max. displays 3
4 Compute units 48
32 Shader 384
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 16 GB
11.2 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 (Bay Trail GT1) GPU Intel Iris Graphics 6100
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 Atom E3826 supports a maximum of 8 GB of memory in 2 memory channels. The Intel Core i7-5557U can connect up to 16 GB of memory in 2 memory channels.

Intel Atom E3826 Characteristic Intel Core i7-5557U
DDR3L-1066 Memory DDR3-1866
8 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
1.00 MB L3 Cache 4.00 MB
-- PCIe version 2.0
-- PCIe lanes 12
-- PCIe Bandwidth 6.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom E3826 has a TDP of 7 W, that of the Intel Core i7-5557U is 28 W.

Intel Atom E3826 Characteristic Intel Core i7-5557U
7 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Atom E3826 has a 1.00 MB cache, while the Intel Core i7-5557U cache has a total of 4.00 MB.

Intel Atom E3826 Characteristic Intel Core i7-5557U
22 nm Technology 14 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, AVX2
BGA 1170 Socket BGA 1168
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q4/2013 Release date Q1/2015
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 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 E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
134 (18%)
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
754 (100%)

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 E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
262 (14%)
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
1823 (100%)

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 E3826 Intel Atom E3826
Intel HD Graphics (Bay Trail GT1) @ 0.67 GHz
43 (5%)
Intel Core i7-5557U Intel Core i7-5557U
Intel Iris Graphics 6100 @ 1.10 GHz
845 (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 Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
304 (9%)
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
3201 (100%)

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 E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
0 (0%)
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
1047 (100%)

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 E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
0 (0%)
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
2187 (100%)

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 E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
0 (0%)
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
139 (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 Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
0 (0%)
Intel Core i7-5557U Intel Core i7-5557U
2C 4T @ 3.40 GHz
360 (100%)

Devices using this processor

Intel Atom E3826 Intel Core i7-5557U
Unknown Unknown

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