AMD Ryzen 7 7840U vs Intel Core m3-8100Y

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CPU comparison with benchmarks


AMD Ryzen 7 7840U CPU1 vs CPU2 Intel Core m3-8100Y
AMD Ryzen 7 7840U Intel Core m3-8100Y

CPU comparison

AMD Ryzen 7 7840U or Intel Core m3-8100Y - 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 7840U 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 7840U was released in Q2/2023.

The Intel Core m3-8100Y has 2 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core m3-8100Y was released in Q3/2018.
AMD Ryzen 7 (70) Family Intel Core i3 (205)
AMD Ryzen 7040 (21) CPU group Intel Core M 8 (1)
6 Generation 8
Phoenix (Zen 4) Architecture Amber Lake Y
Mobile Segment Mobile
-- Predecessor --
AMD Ryzen 7 8840U Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 7840U is a 8 core processor with a clock frequency of 3.30 GHz (5.10 GHz). The Intel Core m3-8100Y has 2 CPU cores with a clock frequency of 1.10 GHz (3.40 GHz).

AMD Ryzen 7 7840U Characteristic Intel Core m3-8100Y
8 Cores 2
16 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.30 GHz Frequency 1.10 GHz
5.10 GHz Turbo Frequency (1 Core) 3.40 GHz
-- Turbo Frequency (All Cores) --

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 7840U Characteristic Intel Core m3-8100Y
AMD Ryzen™ AI AI hardware --
AMD dedicated AI XDNA Technology 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 Intel UHD Graphics 615
0.80 GHz GPU frequency 0.30 GHz
2.70 GHz GPU (Turbo) 0.90 GHz
3 GPU Generation 9.5
4 nm Technology 14 nm
4 Max. displays 3
12 Compute units 24
768 Shader 192
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory 8 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.

AMD Radeon 780M GPU Intel UHD Graphics 615
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 Codec VP9 Decode / Encode
Decode Codec VP8 Decode / Encode
Decode / Encode Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 7 7840U supports a maximum of 256 GB of memory in 2 memory channels. The Intel Core m3-8100Y can connect up to 16 GB of memory in 2 memory channels.

AMD Ryzen 7 7840U Characteristic Intel Core m3-8100Y
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory LPDDR3-1866, DDR3L-1600
256 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 29.9 GB/s
Yes ECC No
8.00 MB L2 Cache --
16.00 MB L3 Cache 4.00 MB
4.0 PCIe version 3.0
20 PCIe lanes 10
39.4 GB/s PCIe Bandwidth 9.9 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 7840U has a TDP of 28 W, that of the Intel Core m3-8100Y is 5 W.

AMD Ryzen 7 7840U Characteristic Intel Core m3-8100Y
28 W TDP (PL1 / PBP) 5 W
-- TDP (PL2) --
30 W TDP up 8 W
15 W TDP down 4.5 W
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 7 7840U has a 24.00 MB cache, while the Intel Core m3-8100Y cache has a total of 4.00 MB.

AMD Ryzen 7 7840U Characteristic Intel Core m3-8100Y
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, AVX2
FP8 Socket BGA 1515
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems
Q2/2023 Release date Q3/2018
-- Release price 281 $
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 7 7840U to help other visitors make their purchasing decisions. The average rating is 4.8 stars (32 ratings). Rate now:
Here you can rate the Intel Core m3-8100Y to help other visitors make their purchasing decisions. The average rating is 3.0 stars (3 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Ryzen 7 7840U (100%)
Intel Core m3-8100Y (42%)
⌀ Multi core performance in 3 CPU benchmarks
AMD Ryzen 7 7840U (100%)
Intel Core m3-8100Y (14%)

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 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
1850 (100%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 3.40 GHz
763 (41%)

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 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
9612 (100%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 1.10 GHz
1429 (15%)

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 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
2446 (100%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 3.40 GHz
1028 (42%)

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 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
10726 (100%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 1.10 GHz
1740 (16%)

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 7840U AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz
4201 (100%)
Intel Core m3-8100Y Intel Core m3-8100Y
Intel UHD Graphics 615 @ 0.90 GHz
346 (8%)

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 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
25337 (100%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 1.10 GHz
2916 (12%)

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 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
1755 (100%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 3.40 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 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
13450 (100%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 1.10 GHz
0 (0%)

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.
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
0 (0%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 3.40 GHz
231 (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.
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
0 (0%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 1.10 GHz
412 (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.
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
0 (0%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 3.40 GHz
93 (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.
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
0 (0%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 1.10 GHz
176 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
13,450 CB R23 MC @ 30 W
448 (100%)
Intel Core m3-8100Y Intel Core m3-8100Y
1.10 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 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
10 (100%)
Intel Core m3-8100Y Intel Core m3-8100Y
2C 4T @ 1.10 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 7840U Intel Core m3-8100Y
AOKZOE A1 Pro GPD P2 Max Windows 10 Ultrabook
GPD P2 MAX Ultra Mobiler Mini PC Laptop 8.9 Zoll
Laptop ONE-Netbook OneMix 3s
ASUS Chromebook Flip C434TA-AI0108

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