Intel Celeron N2840 vs Intel Celeron N2815

Last updated: 2023-04-20

CPU comparison with benchmarks


Intel Celeron N2840		Intel Celeron N2815
CPU comparison Intel Celeron N2840 or Intel Celeron N2815 - 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 Celeron N2840 has 2 cores with 2 threads and clocks with a maximum frequency of 2.58 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Celeron N2840 was released in Q2/2014. The Intel Celeron N2815 has 2 cores with 2 threads and clocks with a maximum frequency of 2.13 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Intel Celeron N2815 was released in Q4/2013.

Intel Celeron (165)	Family	Intel Celeron (165)
Intel Celeron J1000/N2000 (17)	CPU group	Intel Celeron J1000/N2000 (17)
6	Generation	6
Bay Trail	Architecture	Bay Trail
Notebook	Segment	Notebook
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The Intel Celeron N2840 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Celeron N2840 is 2.16 GHz (2.58 GHz) while the Intel Celeron N2815 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Celeron N2815 is at 1.86 GHz (2.13 GHz).
Intel Celeron N2840	Characteristic	Intel Celeron N2815
2	Cores	2
2	Threads	2
normal	Core architecture	normal
No	Hyperthreading	No
No	Overclocking ?	No
2.16 GHz	Frequency	1.86 GHz
2.58 GHz	Turbo Frequency (1 Core)	2.13 GHz
2.58 GHz	Turbo Frequency (All Cores)	2.13 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 Celeron N2840	Characteristic	Intel Celeron N2815
--	AI hardware	--
--	AI specifications	--
--	NPU + CPU + iGPU	--

Integrated graphics (iGPU) The Intel Celeron N2840 or Intel Celeron N2815 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 (Bay Trail GT1)	GPU	Intel HD Graphics (Bay Trail GT1)
0.31 GHz	GPU frequency	0.31 GHz
0.79 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 The Intel Celeron N2840 can use up to 8 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Celeron N2815 supports up to 8 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s.
Intel Celeron N2840	Characteristic	Intel Celeron N2815
DDR3-1333	Memory	DDR3-1066
8 GB	Max. Memory	8 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
21.3 GB/s	Max. Bandwidth	17.1 GB/s
No	ECC	No
--	L2 Cache	--
1.00 MB	L3 Cache	1.00 MB
2.0	PCIe version	2.0
4	PCIe lanes	4
2.0 GB/s	PCIe Bandwidth	2.0 GB/s
Thermal Management The thermal design power (TDP for short) of the Intel Celeron N2840 is 7.5 W, while the Intel Celeron N2815 has a TDP of 7.5 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Celeron N2840	Characteristic	Intel Celeron N2815
7.5 W	TDP (PL1 / PBP)	7.5 W
--	TDP (PL2)	--
--	TDP up	--
4.5 W	TDP down	4.5 W
100 °C	Tjunction max.	105 °C
Technical details The Intel Celeron N2840 is manufactured in 22 nm and has 1.00 MB cache. The Intel Celeron N2815 is manufactured in 22 nm and has a 1.00 MB cache.

Intel Celeron N2840	Characteristic	Intel Celeron N2815
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
No	AES-NI	No
Windows 10, Linux	Operating systems	Windows 10, Linux
Q2/2014	Release date	Q4/2013
107 $	Release price	--

show more data		show more data

Intel Celeron N2840 2C 2T @ 2.16 GHz (2.58 GHz) buy now on Amazon and save! Intel Celeron N2815 2C 2T @ 1.86 GHz (2.13 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks

Intel Celeron N2840 (100%)

Intel Celeron N2815 (79%)

⌀ Multi core performance in 3 CPU benchmarks

Intel Celeron N2840 (100%)

Intel Celeron N2815 (81%)

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 Celeron N2840 2C 2T @ 2.58 GHz	251 (100%)
	Intel Celeron N2815 2C 2T @ 2.13 GHz	197 (78%)

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 Celeron N2840 2C 2T @ 2.58 GHz	460 (100%)
	Intel Celeron N2815 2C 2T @ 2.13 GHz	365 (79%)

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 Celeron N2840 Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz	51 (100%)
	Intel Celeron N2815 Intel HD Graphics (Bay Trail GT1) @ 0.76 GHz	48 (95%)

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 Celeron N2840 2C 2T @ 2.58 GHz	584 (100%)
	Intel Celeron N2815 2C 2T @ 2.13 GHz	496 (85%)

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 Celeron N2840 2C 2T @ 2.58 GHz	42 (100%)
	Intel Celeron N2815 2C 2T @ 2.13 GHz	33 (79%)

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 Celeron N2840 2C 2T @ 2.58 GHz	81 (100%)
	Intel Celeron N2815 2C 2T @ 2.13 GHz	65 (80%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.


	Intel Celeron N2840 2C 2T @ 2.58 GHz	194 (100%)
	Intel Celeron N2815 2C 2T @ 2.13 GHz	0 (0%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.


	Intel Celeron N2840 2C 2T @ 2.58 GHz	335 (100%)
	Intel Celeron N2815 2C 2T @ 2.13 GHz	0 (0%)

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 Celeron N2840 2C 2T @ 2.16 GHz	184 (100%)
	Intel Celeron N2815 2C 2T @ 1.86 GHz	0 (0%)

Devices using this processor
Intel Celeron N2840	Intel Celeron N2815
Unknown	Unknown

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