AMD Ryzen 7 PRO 7840U vs Apple M4

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CPU comparison with benchmarks


AMD Ryzen 7 PRO 7840U CPU1 vs CPU2 Apple M4
AMD Ryzen 7 PRO 7840U Apple M4

CPU comparison

AMD Ryzen 7 PRO 7840U or Apple M4 - 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 PRO 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 PRO 7840U was released in Q2/2023.

The Apple M4 has 9 cores with 9 threads and clocks with a maximum frequency of 4.41 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Apple M4 was released in Q2/2024.
AMD Ryzen 7 PRO (21) Family Apple M series (25)
AMD Ryzen 7040 (21) CPU group Apple M4 (2)
6 Generation 4
Phoenix (Zen 4) Architecture M4
Mobile Segment Mobile
-- Predecessor Apple M3
AMD Ryzen 7 PRO 8840U Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 PRO 7840U has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 7 PRO 7840U is 3.30 GHz (5.10 GHz) while the Apple M4 has 9 CPU cores and 9 threads can calculate simultaneously. The clock frequency of the Apple M4 is at 0.70 GHz (4.41 GHz).

AMD Ryzen 7 PRO 7840U Characteristic Apple M4
8 Cores 9
16 Threads 9
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading No
No Overclocking ? No
3.30 GHz (5.10 GHz)
8x Zen 4
A-Core 0.70 GHz (4.41 GHz)
3x P-Core
-- B-Core 0.74 GHz (2.85 GHz)
6x E-Core

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 PRO 7840U Characteristic Apple M4
AMD Ryzen™ AI AI hardware Apple Neural Engine
AMD dedicated AI XDNA Technology AI specifications 16 Neural cores @ 38 TOPS
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD Ryzen 7 PRO 7840U or Apple M4 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

AMD Radeon 780M GPU Apple M4 (10 Core)
0.80 GHz GPU frequency 0.39 GHz
2.70 GHz GPU (Turbo) 1.40 GHz
3 GPU Generation --
4 nm Technology 3 nm
4 Max. displays 2
12 Compute units 160
768 Shader 1280
Yes Hardware Raytracing Yes
AMD FSR Frame Generation No
32 GB Max. GPU Memory 24 GB
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 Apple M4 (10 Core)
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
Decode / Encode Codec AV1 Decode
Decode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 7 PRO 7840U can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The Apple M4 supports up to 8 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s.

AMD Ryzen 7 PRO 7840U Characteristic Apple M4
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory LPDDR5X-7500
256 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 120.0 GB/s
Yes ECC No
8.00 MB L2 Cache 18.00 MB
16.00 MB L3 Cache --
4.0 PCIe version 4.0
20 PCIe lanes --
39.4 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen 7 PRO 7840U is 28 W, while the Apple M4 has a TDP of 22 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Ryzen 7 PRO 7840U Characteristic Apple M4
28 W TDP (PL1 / PBP) 22 W
-- TDP (PL2) --
30 W TDP up --
15 W TDP down 15 W
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 7 PRO 7840U is manufactured in 4 nm and has 24.00 MB cache. The Apple M4 is manufactured in 3 nm and has a 18.00 MB cache.

AMD Ryzen 7 PRO 7840U Characteristic Apple M4
4 nm Technology 3 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv9-A (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions Rosetta 2 x86-Emulation, AVX2, SME
FP8 Socket --
AMD-V, SVM Virtualization Apple Virtualization Framework
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems macOS, iPadOS
Q2/2023 Release date Q2/2024
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 7 PRO 7840U to help other visitors make their purchasing decisions. The average rating is 4.9 stars (9 ratings). Rate now:
Here you can rate the Apple M4 to help other visitors make their purchasing decisions. The average rating is 4.2 stars (96 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Ryzen 7 PRO 7840U (71%)
Apple M4 (100%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Ryzen 7 PRO 7840U (82%)
Apple M4 (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.
AMD Ryzen 7 PRO 7840U AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz
1850 (74%)
Apple M4 Apple M4
9C 9T @ 4.41 GHz
2491 (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.
AMD Ryzen 7 PRO 7840U AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz
2446 (67%)
Apple M4 Apple M4
9C 9T @ 4.41 GHz
3630 (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.
AMD Ryzen 7 PRO 7840U AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz
10726 (82%)
Apple M4 Apple M4
9C 9T @ 0.70 GHz
13060 (100%)

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 PRO 7840U AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz
10 (26%)
Apple M4 Apple M4
9C 9T @ 0.70 GHz
38 (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.
AMD Ryzen 7 PRO 7840U AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz
1755 (100%)
Apple M4 Apple M4
9C 9T @ 4.41 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 PRO 7840U AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz
13549 (100%)
Apple M4 Apple M4
9C 9T @ 0.70 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 PRO 7840U AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz
9612 (100%)
Apple M4 Apple M4
9C 9T @ 0.70 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 PRO 7840U AMD Ryzen 7 PRO 7840U
AMD Radeon 780M @ 2.70 GHz
4201 (100%)
Apple M4 Apple M4
Apple M4 (10 Core) @ 1.40 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 PRO 7840U AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz
24755 (100%)
Apple M4 Apple M4
9C 9T @ 0.70 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 PRO 7840U Apple M4
Unknown Apple iPad Pro 11 (2024)

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