Intel Celeron 3865U vs AMD Ryzen 7 7840H

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CPU comparison with benchmarks


Intel Celeron 3865U CPU1 vs CPU2 AMD Ryzen 7 7840H
Intel Celeron 3865U AMD Ryzen 7 7840H

CPU comparison

In this CPU comparison, we compare the Intel Celeron 3865U and the AMD Ryzen 7 7840H and use benchmarks to check which processor is faster.

We compare the Intel Celeron 3865U 2 core processor released in Q1/2017 with the AMD Ryzen 7 7840H which has 8 CPU cores and was introduced in Q1/2023.
Intel Celeron (165) Family AMD Ryzen 7 (69)
Intel Celeron 3000 (10) CPU group AMD Ryzen 7040 (21)
7 Generation 6
Kaby Lake U Architecture Phoenix (Zen 4)
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Celeron 3865U is a 2 core processor with a clock frequency of 1.80 GHz. The processor can compute 2 threads at the same time. The AMD Ryzen 7 7840H clocks with 3.80 GHz (5.10 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

Intel Celeron 3865U Characteristic AMD Ryzen 7 7840H
2 Cores 8
2 Threads 16
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.80 GHz Frequency 3.80 GHz
-- Turbo Frequency (1 Core) 5.10 GHz
-- Turbo Frequency (All Cores) 4.25 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 3865U Characteristic AMD Ryzen 7 7840H
-- AI hardware AMD Ryzen AI
-- AI specifications AMD dedicated AI XDNA Technology

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 610 GPU AMD Radeon 780M
0.30 GHz GPU frequency 0.80 GHz
0.90 GHz GPU (Turbo) 2.70 GHz
9.5 GPU Generation 3
14 nm Technology 4 nm
3 Max. displays 4
12 Compute units 12
96 Shader 768
No Hardware Raytracing Yes
No Frame Generation AMD FSR
32 GB Max. GPU Memory 32 GB
12 DirectX Version 12

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 610 GPU AMD Radeon 780M
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode
Decode / Encode Codec VP8 Decode
No Codec AV1 Decode / Encode
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Celeron 3865U, while the AMD Ryzen 7 7840H supports a maximum of 256 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled.

Intel Celeron 3865U Characteristic AMD Ryzen 7 7840H
LPDDR3-1866, DDR4-2133, DDR3L-1600 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
32 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth 120.0 GB/s
No ECC Yes
-- L2 Cache 8.00 MB
2.00 MB L3 Cache 16.00 MB
2.0 PCIe version 4.0
10 PCIe lanes 20
5.0 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The Intel Celeron 3865U has a TDP of 15 W. The TDP of the AMD Ryzen 7 7840H is 54 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Celeron 3865U Characteristic AMD Ryzen 7 7840H
15 W TDP (PL1 / PBP) 54 W
-- TDP (PL2) --
-- TDP up 60 W
10 W TDP down 35 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Celeron 3865U has 2.00 MB cache and is manufactured in 14 nm. The cache of AMD Ryzen 7 7840H is at 24.00 MB. The processor is manufactured in 4 nm.

Intel Celeron 3865U Characteristic AMD Ryzen 7 7840H
14 nm Technology 4 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
BGA 1356 Socket FP8
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2017 Release date Q1/2023
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Celeron 3865U to help other visitors make their purchasing decisions. The average rating is 4.3 stars (3 ratings). Rate now:
Here you can rate the AMD Ryzen 7 7840H to help other visitors make their purchasing decisions. The average rating is 4.7 stars (29 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Celeron 3865U (21%)
AMD Ryzen 7 7840H (100%)
⌀ Multi core performance in 4 CPU benchmarks
Intel Celeron 3865U (6%)
AMD Ryzen 7 7840H (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 Celeron 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
480 (26%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz
1857 (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 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
936 (8%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz
11334 (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 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
389 (16%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz
2456 (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 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
674 (6%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz
12135 (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 3865U Intel Celeron 3865U
Intel HD Graphics 610 @ 0.90 GHz
173 (4%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
AMD Radeon 780M @ 2.70 GHz
4201 (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 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
1290 (5%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz
28412 (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 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
385 (6%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 3.80 GHz
6744 (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 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
0 (0%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 5.10 GHz
1757 (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 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
0 (0%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz
15930 (100%)

CPU-Z Benchmark 17 (Single-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 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
0 (0%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz
624 (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 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
71 (100%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 5.10 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 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
139 (100%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 4.25 GHz
0 (0%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Intel Celeron 3865U Intel Celeron 3865U
2C 2T @ 1.80 GHz
0 (0%)
AMD Ryzen 7 7840H AMD Ryzen 7 7840H
8C 16T @ 3.80 GHz
10 (100%)

Devices using this processor

Intel Celeron 3865U AMD Ryzen 7 7840H
Unknown Unknown

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