Intel Celeron N2815 vs Intel Core i7-3920XM

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CPU comparison with benchmarks


Intel Celeron N2815 CPU1 vs CPU2 Intel Core i7-3920XM
Intel Celeron N2815 Intel Core i7-3920XM

CPU comparison

Intel Celeron N2815 or Intel Core i7-3920XM - 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 N2815 has 2 cores with 2 threads and clocks with a maximum frequency of 2.13 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Celeron N2815 was released in Q4/2013.

The Intel Core i7-3920XM has 4 cores with 8 threads and clocks with a maximum frequency of 3.80 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i7-3920XM was released in Q2/2012.
Intel Celeron (165) Family Intel Core i7 Extreme Edition (24)
Intel Celeron J1000/N2000 (17) CPU group Intel Core i 3000M (29)
6 Generation 3
Bay Trail Architecture Ivy Bridge H
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Celeron N2815 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Celeron N2815 is 1.86 GHz (2.13 GHz) while the Intel Core i7-3920XM has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i7-3920XM is at 2.90 GHz (3.80 GHz).

Intel Celeron N2815 Characteristic Intel Core i7-3920XM
2 Cores 4
2 Threads 8
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? Yes
1.86 GHz Frequency 2.90 GHz
2.13 GHz Turbo Frequency (1 Core) 3.80 GHz
2.13 GHz Turbo Frequency (All Cores) --

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 Celeron N2815 Characteristic Intel Core i7-3920XM
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Celeron N2815 or Intel Core i7-3920XM 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 4000
0.31 GHz GPU frequency 0.65 GHz
0.76 GHz GPU (Turbo) 1.30 GHz
7 GPU Generation 7
22 nm Technology 22 nm
2 Max. displays 3
4 Compute units 16
32 Shader 128
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.2 DirectX Version 11.0

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 4000
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 N2815 can use up to 8 GB of memory in 2 memory channels. The maximum memory bandwidth is 17.1 GB/s. The Intel Core i7-3920XM supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.

Intel Celeron N2815 Characteristic Intel Core i7-3920XM
DDR3-1066 Memory DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600
8 GB Max. Memory 32 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 8.00 MB
2.0 PCIe version 3.0
4 PCIe lanes 16
2.0 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Celeron N2815 is 7.5 W, while the Intel Core i7-3920XM has a TDP of 55 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Celeron N2815 Characteristic Intel Core i7-3920XM
7.5 W TDP (PL1 / PBP) 55 W
-- TDP (PL2) --
-- TDP up --
4.5 W TDP down --
105 °C Tjunction max. 105 °C

Technical details

The Intel Celeron N2815 is manufactured in 22 nm and has 1.00 MB cache. The Intel Core i7-3920XM is manufactured in 22 nm and has a 8.00 MB cache.

Intel Celeron N2815 Characteristic Intel Core i7-3920XM
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, AVX
BGA 1170 Socket PGA 988
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q4/2013 Release date Q2/2012
-- 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 Celeron N2815 Intel Celeron N2815
2C 2T @ 2.13 GHz
197 (25%)
Intel Core i7-3920XM Intel Core i7-3920XM
4C 8T @ 3.80 GHz
793 (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 Celeron N2815 Intel Celeron N2815
2C 2T @ 2.13 GHz
365 (11%)
Intel Core i7-3920XM Intel Core i7-3920XM
4C 8T @ 2.90 GHz
3270 (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 Celeron N2815 Intel Celeron N2815
Intel HD Graphics (Bay Trail GT1) @ 0.76 GHz
48 (15%)
Intel Core i7-3920XM Intel Core i7-3920XM
Intel HD Graphics 4000 @ 1.30 GHz
333 (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 Celeron N2815 Intel Celeron N2815
2C 2T @ 2.13 GHz
496 (9%)
Intel Core i7-3920XM Intel Core i7-3920XM
4C 8T @ 2.90 GHz
5648 (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 Celeron N2815 Intel Celeron N2815
2C 2T @ 2.13 GHz
0 (0%)
Intel Core i7-3920XM Intel Core i7-3920XM
4C 8T @ 3.80 GHz
686 (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 Celeron N2815 Intel Celeron N2815
2C 2T @ 2.13 GHz
0 (0%)
Intel Core i7-3920XM Intel Core i7-3920XM
4C 8T @ 2.90 GHz
2632 (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 Celeron N2815 Intel Celeron N2815
2C 2T @ 2.13 GHz
33 (100%)
Intel Core i7-3920XM Intel Core i7-3920XM
4C 8T @ 3.80 GHz
0 (0%)

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 N2815 Intel Celeron N2815
2C 2T @ 2.13 GHz
65 (100%)
Intel Core i7-3920XM Intel Core i7-3920XM
4C 8T @ 2.90 GHz
0 (0%)

Devices using this processor

Intel Celeron N2815 Intel Core i7-3920XM
Unknown Unknown

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