Apple M3 (8-GPU) vs AMD Ryzen 7 7840U

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CPU comparison with benchmarks


Apple M3 (8-GPU) CPU1 vs CPU2 AMD Ryzen 7 7840U
Apple M3 (8-GPU) AMD Ryzen 7 7840U

CPU comparison

Apple M3 (8-GPU) or AMD Ryzen 7 7840U - 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 Apple M3 (8-GPU) has 8 cores with 8 threads and clocks with a maximum frequency of 4.06 GHz. Up to 24 GB of memory is supported in 2 memory channels. The Apple M3 (8-GPU) was released in Q4/2023.

The AMD Ryzen 7 7840U has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 7 7840U was released in Q2/2023.
Apple M series (25) Family AMD Ryzen 7 (67)
Apple M3 (6) CPU group AMD Ryzen 7040 (21)
3 Generation 6
M3 Architecture Phoenix (Zen 4)
Mobile Segment Mobile
Apple M2 (8-GPU) Predecessor --
-- Successor AMD Ryzen 7 8840U

CPU Cores and Base Frequency

The Apple M3 (8-GPU) is a 8 core processor with a clock frequency of 0.70 GHz (4.06 GHz). The AMD Ryzen 7 7840U has 8 CPU cores with a clock frequency of 3.30 GHz (5.10 GHz).
Apple M3 (8-GPU) Characteristic AMD Ryzen 7 7840U
8 Cores 8
8 Threads 16
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
0.70 GHz (4.06 GHz)
4x P-Core		 A-Core 3.30 GHz (5.10 GHz)
8x Zen 4
0.74 GHz (2.75 GHz)
4x E-Core		 B-Core --

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.
Apple M3 (8-GPU) Characteristic AMD Ryzen 7 7840U
Apple Neural Engine AI hardware AMD Ryzen AI
16 Neural cores @ 35 TOPS AI specifications AMD dedicated AI XDNA Technology

Internal Graphics

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.
Apple M3 (8 Core) GPU AMD Radeon 780M
0.39 GHz GPU frequency 0.80 GHz
1.40 GHz GPU (Turbo) 2.70 GHz
-- GPU Generation 3
3 nm Technology 4 nm
2 Max. displays 4
128 Compute units 12
1024 Shader 768
Yes Hardware Raytracing Yes
No Frame Generation AMD FSR
24 GB Max. GPU Memory 32 GB
-- 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.
Apple M3 (8 Core) 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 Codec VP8 Decode
Decode Codec AV1 Decode / Encode
Decode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Apple M3 (8-GPU) supports a maximum of 24 GB of memory in 2 memory channels. The AMD Ryzen 7 7840U can connect up to 256 GB of memory in 2 memory channels.
Apple M3 (8-GPU) Characteristic AMD Ryzen 7 7840U
LPDDR5-6400 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
24 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
102.4 GB/s Max. Bandwidth 120.0 GB/s
No ECC Yes
20.00 MB L2 Cache 8.00 MB
-- L3 Cache 16.00 MB
4.0 PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Apple M3 (8-GPU) has a TDP of 22 W, that of the AMD Ryzen 7 7840U is 28 W.
Apple M3 (8-GPU) Characteristic AMD Ryzen 7 7840U
22 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) --
-- TDP up 30 W
10 W TDP down 15 W
100 °C Tjunction max. 100 °C

Technical details

The Apple M3 (8-GPU) has a 20.00 MB cache, while the AMD Ryzen 7 7840U cache has a total of 24.00 MB.
Apple M3 (8-GPU) Characteristic AMD Ryzen 7 7840U
3 nm Technology 4 nm
Chiplet Chip design Monolithic
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
Rosetta 2 x86-Emulation ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
-- Socket FP8
Apple Virtualization Framework Virtualization AMD-V, SVM
Yes AES-NI Yes
macOS, iPadOS Operating systems Windows 10, Windows 11, Linux
Q4/2023 Release date Q2/2023
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Apple M3 (8-GPU) to help other visitors make their purchasing decisions. The average rating is 4.9 stars (62 ratings). Rate now:
Here you can rate the AMD Ryzen 7 7840U to help other visitors make their purchasing decisions. The average rating is 4.8 stars (26 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Apple M3 (8-GPU) (100%)
AMD Ryzen 7 7840U (84%)
⌀ Multi core performance in 3 CPU benchmarks
Apple M3 (8-GPU) (93%)
AMD Ryzen 7 7840U (94%)

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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
1965 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
1755 (89%)

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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
10437 (78%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
13450 (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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
2150 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
1850 (86%)

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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
10450 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
9612 (92%)

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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
3125 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
2446 (78%)

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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
11863 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
10726 (90%)

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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
Apple M3 (8 Core) @ 1.40 GHz
2840 (68%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz
4201 (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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
10,437 CB R23 MC @ 22 W
474 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
13,450 CB R23 MC @ 30 W
448 (95%)

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).
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 0.70 GHz
35 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
10 (29%)

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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
137 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
659 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 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.
Apple M3 (8-GPU) Apple M3 (8-GPU)
8C 8T @ 4.06 GHz
0 (0%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
25337 (100%)

Devices using this processor
Apple M3 (8-GPU) AMD Ryzen 7 7840U
Apple iMac 24 (2023) AOKZOE A1 Pro

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