AMD Ryzen 7 7840U vs Apple M1 Ultra (48-GPU)

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CPU comparison with benchmarks


AMD Ryzen 7 7840U CPU1 vs CPU2 Apple M1 Ultra (48-GPU)
AMD Ryzen 7 7840U Apple M1 Ultra (48-GPU)

CPU comparison

AMD Ryzen 7 7840U or Apple M1 Ultra (48-GPU) - 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 Apple M1 Ultra (48-GPU) has 20 cores with 20 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to 128 GB of memory in 8 memory channels. The Apple M1 Ultra (48-GPU) was released in Q1/2022.
AMD Ryzen 7 (70) Family Apple M series (25)
AMD Ryzen 7040 (21) CPU group Apple M1 (9)
6 Generation 1
Phoenix (Zen 4) Architecture M1
Mobile Segment Mobile
-- Predecessor --
AMD Ryzen 7 8840U Successor Apple M2 Ultra (60-GPU)

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 Apple M1 Ultra (48-GPU) has 20 CPU cores with a clock frequency of 0.60 GHz (3.20 GHz).

AMD Ryzen 7 7840U Characteristic Apple M1 Ultra (48-GPU)
8 Cores 20
16 Threads 20
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading No
No Overclocking ? No
3.30 GHz (5.10 GHz)
8x Zen 4
A-Core 0.60 GHz (3.20 GHz)
16x Firestorm
-- B-Core 0.60 GHz (2.06 GHz)
4x Icestorm

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 Apple M1 Ultra (48-GPU)
AMD Ryzen™ AI AI hardware Apple Neural Engine
AMD dedicated AI XDNA Technology AI specifications 32 Neural cores @ 22 TOPS
-- 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 Apple M1 Ultra (48 Core)
0.80 GHz GPU frequency 0.39 GHz
2.70 GHz GPU (Turbo) 1.30 GHz
3 GPU Generation 1
4 nm Technology 5 nm
4 Max. displays 5
12 Compute units 768
768 Shader 6144
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory 64 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 M1 Ultra (48 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 No
Decode Codec AVC Decode
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 Apple M1 Ultra (48-GPU) can connect up to 128 GB of memory in 8 memory channels.

AMD Ryzen 7 7840U Characteristic Apple M1 Ultra (48-GPU)
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory LPDDR5-6400
256 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 8 (Octa Channel)
120.0 GB/s Max. Bandwidth 819.2 GB/s
Yes ECC No
8.00 MB L2 Cache 52.00 MB
16.00 MB L3 Cache --
4.0 PCIe version 4.0
20 PCIe lanes --
39.4 GB/s PCIe Bandwidth --

Thermal Management

The 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 Apple M1 Ultra (48-GPU) is 60 W.

AMD Ryzen 7 7840U Characteristic Apple M1 Ultra (48-GPU)
28 W TDP (PL1 / PBP) 60 W
-- TDP (PL2) --
30 W TDP up 120 W
15 W TDP down --
100 °C Tjunction max. --

Technical details

The AMD Ryzen 7 7840U has a 24.00 MB cache, while the Apple M1 Ultra (48-GPU) cache has a total of 52.00 MB.

AMD Ryzen 7 7840U Characteristic Apple M1 Ultra (48-GPU)
4 nm Technology 5 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8.5-A (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions Rosetta 2 x86-Emulation
FP8 Socket --
AMD-V, SVM Virtualization Apple Virtualization Framework
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems macOS
Q2/2023 Release date Q1/2022
-- Release price --
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 (33 ratings). Rate now:
Here you can rate the Apple M1 Ultra (48-GPU) to help other visitors make their purchasing decisions. The average rating is 4.5 stars (4 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 4 CPU benchmarks
AMD Ryzen 7 7840U (96%)
Apple M1 Ultra (48-GPU) (96%)
⌀ Multi core performance in 5 CPU benchmarks
AMD Ryzen 7 7840U (49%)
Apple M1 Ultra (48-GPU) (100%)

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 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
94 (82%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
114 (100%)

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 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
722 (44%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
1624 (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 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
1755 (100%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
1534 (87%)

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 (56%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
24189 (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 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
1850 (100%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
1793 (97%)

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 (40%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
24055 (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 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
2446 (100%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
2397 (98%)

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 (45%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
23970 (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.
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz
4201 (26%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
Apple M1 Ultra (48 Core) @ 1.30 GHz
15900 (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.
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
25337 (62%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
41059 (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 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
10 (45%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 0.60 GHz
22 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
0 (0%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
379 (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%)
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
0.60 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 7840U Apple M1 Ultra (48-GPU)
AOKZOE A1 Pro Apple Mac Studio (2022)

News and articles for the AMD Ryzen 7 7840U and the Apple M1 Ultra (48-GPU)


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