Intel Atom E3815 vs Intel Core i5-4250U

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CPU comparison with benchmarks


Intel Atom E3815 CPU1 vs CPU2 Intel Core i5-4250U
Intel Atom E3815 Intel Core i5-4250U

CPU comparison

In this CPU comparison, we compare the Intel Atom E3815 and the Intel Core i5-4250U and use benchmarks to check which processor is faster.

We compare the Intel Atom E3815 1 core processor released in Q4/2013 with the Intel Core i5-4250U which has 2 CPU cores and was introduced in Q3/2013.
Intel Atom (101) Family Intel Core i5 (328)
Intel Atom E3800 (6) CPU group Intel Core i 4000U (26)
4 Generation 4
Bay Trail Architecture Haswell U
Mobile Segment Mobile
-- Predecessor --
-- Successor Intel Core i5-5250U

CPU Cores and Base Frequency

The Intel Atom E3815 is a 1 core processor with a clock frequency of 1.46 GHz. The processor can compute 1 threads at the same time. The Intel Core i5-4250U clocks with 1.30 GHz (2.60 GHz), has 2 CPU cores and can calculate 4 threads in parallel.

Intel Atom E3815 Characteristic Intel Core i5-4250U
1 Cores 2
1 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.46 GHz Frequency 1.30 GHz
-- Turbo Frequency (1 Core) 2.60 GHz
-- Turbo Frequency (All Cores) 2.60 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 E3815 Characteristic Intel Core i5-4250U
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel HD Graphics (Bay Trail GT1) GPU Intel HD Graphics 5000
0.40 GHz GPU frequency 0.20 GHz
0.40 GHz GPU (Turbo) 1.00 GHz
7 GPU Generation 7.5
22 nm Technology 22 nm
2 Max. displays 3
4 Compute units 40
32 Shader 320
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.2 DirectX Version 11.1

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 HD Graphics 5000
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 No
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode

Memory & PCIe

Up to 8 GB of memory in a maximum of 1 memory channels is supported by the Intel Atom E3815, while the Intel Core i5-4250U supports a maximum of 16 GB of memory with a maximum memory bandwidth of 25.6 GB/s enabled.

Intel Atom E3815 Characteristic Intel Core i5-4250U
DDR3L-1066 Memory DDR3-1600
8 GB Max. Memory 16 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
8.6 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
1.00 MB L3 Cache 3.00 MB
-- PCIe version 2.0
-- PCIe lanes 12
-- PCIe Bandwidth 6.0 GB/s

Thermal Management

The Intel Atom E3815 has a TDP of 5 W. The TDP of the Intel Core i5-4250U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom E3815 Characteristic Intel Core i5-4250U
5 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Atom E3815 has 1.00 MB cache and is manufactured in 22 nm. The cache of Intel Core i5-4250U is at 3.00 MB. The processor is manufactured in 22 nm.

Intel Atom E3815 Characteristic Intel Core i5-4250U
22 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, 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 Q3/2013
-- Release price --
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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 E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
147 (27%)
Intel Core i5-4250U Intel Core i5-4250U
2C 4T @ 2.60 GHz
545 (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 E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
148 (12%)
Intel Core i5-4250U Intel Core i5-4250U
2C 4T @ 2.60 GHz
1185 (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 E3815 Intel Atom E3815
Intel HD Graphics (Bay Trail GT1) @ 0.40 GHz
26 (4%)
Intel Core i5-4250U Intel Core i5-4250U
Intel HD Graphics 5000 @ 1.00 GHz
640 (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 E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
184 (8%)
Intel Core i5-4250U Intel Core i5-4250U
2C 4T @ 2.60 GHz
2170 (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 E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
0 (0%)
Intel Core i5-4250U Intel Core i5-4250U
2C 4T @ 2.60 GHz
767 (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 E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
0 (0%)
Intel Core i5-4250U Intel Core i5-4250U
2C 4T @ 2.60 GHz
1455 (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 E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
0 (0%)
Intel Core i5-4250U Intel Core i5-4250U
2C 4T @ 2.60 GHz
99 (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 E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
0 (0%)
Intel Core i5-4250U Intel Core i5-4250U
2C 4T @ 2.60 GHz
230 (100%)

Devices using this processor

Intel Atom E3815 Intel Core i5-4250U
Unknown Unknown

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