Intel Celeron 3765U vs Intel Core i7-5820K

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CPU comparison with benchmarks


Intel Celeron 3765U CPU1 vs CPU2 Intel Core i7-5820K
Intel Celeron 3765U Intel Core i7-5820K

CPU comparison

In this CPU comparison, we compare the Intel Celeron 3765U and the Intel Core i7-5820K and use benchmarks to check which processor is faster.

We compare the Intel Celeron 3765U 2 core processor released in Q2/2015 with the Intel Core i7-5820K which has 6 CPU cores and was introduced in Q3/2014.
Intel Celeron (165) Family Intel Core i7 Extreme Edition (24)
Intel Celeron 3000 (10) CPU group Intel Core i 5000X (3)
7 Generation 5
Kaby Lake U Architecture Haswell E
Mobile Segment Desktop / Server
-- Predecessor Intel Core i7-4820K
-- Successor --

CPU Cores and Base Frequency

The Intel Celeron 3765U is a 2 core processor with a clock frequency of 1.90 GHz. The processor can compute 2 threads at the same time. The Intel Core i7-5820K clocks with 3.30 GHz (3.60 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

Intel Celeron 3765U Characteristic Intel Core i7-5820K
2 Cores 6
2 Threads 12
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? Yes
1.90 GHz Frequency 3.30 GHz
-- Turbo Frequency (1 Core) 3.60 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 Celeron 3765U Characteristic Intel Core i7-5820K
-- 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 (Broadwell GT1) GPU no iGPU
0.10 GHz GPU frequency --
0.80 GHz GPU (Turbo) --
8 GPU Generation --
14 nm Technology
3 Max. displays
12 Compute units --
96 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.2 DirectX Version --

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 (Broadwell GT1) GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
Decode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Celeron 3765U, while the Intel Core i7-5820K supports a maximum of 64 GB of memory with a maximum memory bandwidth of 68.2 GB/s enabled.

Intel Celeron 3765U Characteristic Intel Core i7-5820K
LPDDR3-1600, DDR3L-1600 Memory DDR4-2133
16 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
25.6 GB/s Max. Bandwidth 68.2 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 15.00 MB
2.0 PCIe version 3.0
12 PCIe lanes 28
6.0 GB/s PCIe Bandwidth 27.6 GB/s

Thermal Management

The Intel Celeron 3765U has a TDP of 15 W. The TDP of the Intel Core i7-5820K is 140 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Celeron 3765U Characteristic Intel Core i7-5820K
15 W TDP (PL1 / PBP) 140 W
-- TDP (PL2) --
-- TDP up --
10 W TDP down --
105 °C Tjunction max. --

Technical details

The Intel Celeron 3765U has 2.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i7-5820K is at 15.00 MB. The processor is manufactured in 22 nm.

Intel Celeron 3765U Characteristic Intel Core i7-5820K
14 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 1168 Socket LGA 2011-3
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2015 Release date Q3/2014
-- Release price 499 $
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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
⌀ Multi core performance in 4 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 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
443 (48%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
923 (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 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
868 (16%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5537 (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 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
370 (34%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
1086 (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 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
642 (11%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5763 (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 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
1265 (13%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
9854 (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 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
77 (55%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 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 Celeron 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
148 (14%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
1085 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
795 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5700 (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 Celeron 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
329 (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 Celeron 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
2301 (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 3765U Intel Celeron 3765U
Intel HD Graphics (Broadwell GT1) @ 0.80 GHz
154 (100%)
Intel Core i7-5820K Intel Core i7-5820K
@ 0.00 GHz
0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Celeron 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
88 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Celeron 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
331.7 (100%)

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 3765U Intel Celeron 3765U
2C 2T @ 1.90 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.30 GHz
2849 (100%)

Devices using this processor

Intel Celeron 3765U Intel Core i7-5820K
Unknown Unknown

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