Intel Atom E3815 vs Intel Celeron N2820

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CPU comparison with benchmarks


Intel Atom E3815 CPU1 vs CPU2 Intel Celeron N2820
Intel Atom E3815 Intel Celeron N2820

CPU comparison

In this CPU comparison, we compare the Intel Atom E3815 and the Intel Celeron N2820 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 Celeron N2820 which has 2 CPU cores and was introduced in Q4/2013.
Intel Atom (108) Family Intel Celeron (165)
Intel Atom E3800 (6) CPU group Intel Celeron J1000/N2000 (17)
4 Generation 6
Bay Trail Architecture Bay Trail
Mobile Segment Mobile
-- Predecessor --
-- Successor --

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 Celeron N2820 clocks with 2.13 GHz (2.39 GHz), has 2 CPU cores and can calculate 2 threads in parallel.

Intel Atom E3815 Characteristic Intel Celeron N2820
1 Cores 2
1 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.46 GHz Frequency 2.13 GHz
-- Turbo Frequency (1 Core) 2.39 GHz
-- Turbo Frequency (All Cores) 2.39 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Atom E3815 Characteristic Intel Celeron N2820
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 (Bay Trail GT1)
0.40 GHz GPU frequency 0.31 GHz
0.40 GHz GPU (Turbo) 0.76 GHz
7 GPU Generation 7
22 nm Technology 22 nm
2 Max. displays 2
4 Compute units 4
32 Shader 32
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 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 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
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 Celeron N2820 supports a maximum of 8 GB of memory with a maximum memory bandwidth of 17.1 GB/s enabled.

Intel Atom E3815 Characteristic Intel Celeron N2820
DDR3L-1066 Memory DDR3-1066
8 GB Max. Memory 8 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
8.6 GB/s Max. Bandwidth 17.1 GB/s
No ECC No
-- L2 Cache --
1.00 MB L3 Cache 1.00 MB
-- PCIe version 2.0
-- PCIe lanes 4
-- PCIe Bandwidth 2.0 GB/s

Thermal Management

The Intel Atom E3815 has a TDP of 5 W. The TDP of the Intel Celeron N2820 is 7.5 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom E3815 Characteristic Intel Celeron N2820
5 W TDP (PL1 / PBP) 7.5 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 4.5 W
-- Tjunction max. 105 °C

Technical details

The Intel Atom E3815 has 1.00 MB cache and is manufactured in 22 nm. The cache of Intel Celeron N2820 is at 1.00 MB. The processor is manufactured in 22 nm.

Intel Atom E3815 Characteristic Intel Celeron N2820
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
BGA 1170 Socket BGA 1170
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
Yes AES-NI No
Operating systems Windows 10, Linux
Q4/2013 Release date Q4/2013
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Atom E3815 (64%)
Intel Celeron N2820 (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Atom E3815 (36%)
Intel Celeron N2820 (100%)

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 (64%)
Intel Celeron N2820 Intel Celeron N2820
2C 2T @ 2.39 GHz
229 (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 (35%)
Intel Celeron N2820 Intel Celeron N2820
2C 2T @ 2.39 GHz
422 (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 (53%)
Intel Celeron N2820 Intel Celeron N2820
Intel HD Graphics (Bay Trail GT1) @ 0.76 GHz
48 (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 (36%)
Intel Celeron N2820 Intel Celeron N2820
2C 2T @ 2.39 GHz
512 (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 Celeron N2820 Intel Celeron N2820
2C 2T @ 2.39 GHz
185 (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 Celeron N2820 Intel Celeron N2820
2C 2T @ 2.39 GHz
312 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 Celeron N2820 Intel Celeron N2820
2C 2T @ 2.39 GHz
78 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 Celeron N2820 Intel Celeron N2820
2C 2T @ 2.39 GHz
141 (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 Celeron N2820 Intel Celeron N2820
2C 2T @ 2.39 GHz
37 (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 Celeron N2820 Intel Celeron N2820
2C 2T @ 2.39 GHz
73 (100%)

Devices using this processor

Intel Atom E3815 Intel Celeron N2820
Unknown Unknown

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