AMD Ryzen 7 8840HS vs Intel Atom C3830

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CPU comparison with benchmarks


AMD Ryzen 7 8840HS CPU1 vs CPU2 Intel Atom C3830
AMD Ryzen 7 8840HS Intel Atom C3830

CPU comparison

AMD Ryzen 7 8840HS or Intel Atom C3830 - 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 AMD Ryzen 7 8840HS has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 8840HS was released in Q1/2024.

The Intel Atom C3830 has 12 cores with 12 threads and clocks with a maximum frequency of 2.30 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3830 was released in Q3/2017.
AMD Ryzen 7 (70) Family Intel Atom (108)
AMD Ryzen 8040 (20) CPU group Intel Atom C3000 (20)
7 Generation 5
Hawk Point (Zen 4) Architecture Denverton
Mobile Segment Desktop / Server
AMD Ryzen 7 7840HS Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 8840HS is a 8 core processor with a clock frequency of 3.30 GHz (5.10 GHz). The Intel Atom C3830 has 12 CPU cores with a clock frequency of 1.90 GHz (2.30 GHz).

AMD Ryzen 7 8840HS Characteristic Intel Atom C3830
8 Cores 12
16 Threads 12
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
3.30 GHz Frequency 1.90 GHz
5.10 GHz Turbo Frequency (1 Core) 2.30 GHz
3.75 GHz Turbo Frequency (All Cores) 2.30 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.

AMD Ryzen 7 8840HS Characteristic Intel Atom C3830
AMD Ryzen™ AI AI hardware --
AMD Ryzen™ AI (XDNA) @ 16 TOPS AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

AMD Radeon 780M GPU no iGPU
0.80 GHz GPU frequency --
2.70 GHz GPU (Turbo) --
3 GPU Generation --
4 nm Technology
4 Max. displays
12 Compute units --
768 Shader --
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory --
12 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.

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

Memory & PCIe

The AMD Ryzen 7 8840HS supports a maximum of 256 GB of memory in 2 memory channels. The Intel Atom C3830 can connect up to 256 GB of memory in 2 memory channels.

AMD Ryzen 7 8840HS Characteristic Intel Atom C3830
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR4-2133
256 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 34.1 GB/s
Yes ECC Yes
8.00 MB L2 Cache 12.00 MB
16.00 MB L3 Cache --
4.0 PCIe version 3.0
20 PCIe lanes 12
39.4 GB/s PCIe Bandwidth 11.8 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 8840HS has a TDP of 28 W, that of the Intel Atom C3830 is 21.5 W.

AMD Ryzen 7 8840HS Characteristic Intel Atom C3830
28 W TDP (PL1 / PBP) 21.5 W
-- TDP (PL2) --
54 W TDP up --
35 W TDP down --
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 7 8840HS has a 24.00 MB cache, while the Intel Atom C3830 cache has a total of 12.00 MB.

AMD Ryzen 7 8840HS Characteristic Intel Atom C3830
4 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE4.1, SSE4.2
FP8 Socket BGA 1310
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2024 Release date Q3/2017
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 7 8840HS to help other visitors make their purchasing decisions. The average rating is 4.5 stars (15 ratings). Rate now:
Here you can rate the Intel Atom C3830 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
8C 16T @ 5.10 GHz
102 (100%)
Intel Atom C3830 Intel Atom C3830
12C 12T @ 2.30 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
8C 16T @ 5.10 GHz
866 (100%)
Intel Atom C3830 Intel Atom C3830
12C 12T @ 2.30 GHz
0 (0%)

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.
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
8C 16T @ 5.10 GHz
1757 (100%)
Intel Atom C3830 Intel Atom C3830
12C 12T @ 2.30 GHz
0 (0%)

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.
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
8C 16T @ 3.75 GHz
15930 (100%)
Intel Atom C3830 Intel Atom C3830
12C 12T @ 2.30 GHz
0 (0%)

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.
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
8C 16T @ 5.10 GHz
1857 (100%)
Intel Atom C3830 Intel Atom C3830
12C 12T @ 2.30 GHz
0 (0%)

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.
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
8C 16T @ 3.75 GHz
11334 (100%)
Intel Atom C3830 Intel Atom C3830
12C 12T @ 2.30 GHz
0 (0%)

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.
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
8C 16T @ 5.10 GHz
2456 (100%)
Intel Atom C3830 Intel Atom C3830
12C 12T @ 2.30 GHz
0 (0%)

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.
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
8C 16T @ 3.75 GHz
12135 (100%)
Intel Atom C3830 Intel Atom C3830
12C 12T @ 2.30 GHz
0 (0%)

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.
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
AMD Radeon 780M @ 2.70 GHz
4201 (100%)
Intel Atom C3830 Intel Atom C3830
@ 0.00 GHz
0 (0%)

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.
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
8C 16T @ 3.75 GHz
28412 (100%)
Intel Atom C3830 Intel Atom C3830
12C 12T @ 2.30 GHz
0 (0%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

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).
AMD Ryzen 7 8840HS AMD Ryzen 7 8840HS
8C 16T @ 3.30 GHz
16 (100%)
Intel Atom C3830 Intel Atom C3830
12C 12T @ 1.90 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 8840HS Intel Atom C3830
Unknown Unknown

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