MediaTek Dimensity 920 vs AMD Ryzen 7 5800

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CPU comparison with benchmarks


MediaTek Dimensity 920 CPU1 vs CPU2 AMD Ryzen 7 5800
MediaTek Dimensity 920 AMD Ryzen 7 5800

CPU comparison

In this CPU comparison, we compare the MediaTek Dimensity 920 and the AMD Ryzen 7 5800 and use benchmarks to check which processor is faster.

We compare the MediaTek Dimensity 920 8 core processor released in Q3/2021 with the AMD Ryzen 7 5800 which has 8 CPU cores and was introduced in Q2/2021.
Mediatek Dimensity (36) Family AMD Ryzen 7 (70)
MediaTek Dimensity 900 (3) CPU group AMD Ryzen 5000 (14)
2 Generation 4
Cortex-A78 / Cortex-A55 Architecture Vermeer (Zen 3)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The MediaTek Dimensity 920 is a 8 core processor with a clock frequency of 2.50 GHz. The processor can compute 8 threads at the same time. The AMD Ryzen 7 5800 clocks with 3.40 GHz (4.60 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

MediaTek Dimensity 920 Characteristic AMD Ryzen 7 5800
8 Cores 8
8 Threads 16
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading Yes
No Overclocking ? Yes
2.50 GHz
2x Cortex-A78
A-Core 3.40 GHz (4.60 GHz)
2.00 GHz
6x Cortex-A55
B-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.

MediaTek Dimensity 920 Characteristic AMD Ryzen 7 5800
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

ARM Mali-G68 MP4 GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
Vallhall 2 GPU Generation --
6 nm Technology
1 Max. displays
4 Compute units --
64 Shader --
No Hardware Raytracing No
No Frame Generation No
-- 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.

ARM Mali-G68 MP4 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 / Encode Codec VP9 No
Decode / Encode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode / Encode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 16 GB of memory in a maximum of 4 memory channels is supported by the MediaTek Dimensity 920, while the AMD Ryzen 7 5800 supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

MediaTek Dimensity 920 Characteristic AMD Ryzen 7 5800
LPDDR5-5500, LPDDR4X-4266 Memory DDR4-3200
16 GB Max. Memory 128 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
44.0 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
-- L2 Cache 4.00 MB
2.00 MB L3 Cache 32.00 MB
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The MediaTek Dimensity 920 has a TDP of 10 W. The TDP of the AMD Ryzen 7 5800 is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

MediaTek Dimensity 920 Characteristic AMD Ryzen 7 5800
10 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 95 °C

Technical details

The MediaTek Dimensity 920 has 2.00 MB cache and is manufactured in 6 nm. The cache of AMD Ryzen 7 5800 is at 36.00 MB. The processor is manufactured in 7 nm.

MediaTek Dimensity 920 Characteristic AMD Ryzen 7 5800
6 nm Technology 7 nm
Chiplet Chip design Chiplet
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
-- Socket AM4 (PGA 1331)
None Virtualization AMD-V, SVM
No AES-NI Yes
Android Operating systems Windows 10, Windows 11, Linux
Q3/2021 Release date Q2/2021
-- Release price --
show more data show more data


Rate these processors

Here you can rate the MediaTek Dimensity 920 to help other visitors make their purchasing decisions. The average rating is 4.0 stars (2 ratings). Rate now:
Here you can rate the AMD Ryzen 7 5800 to help other visitors make their purchasing decisions. The average rating is 4.7 stars (3 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
MediaTek Dimensity 920 (45%)
AMD Ryzen 7 5800 (100%)
⌀ Multi core performance in 2 CPU benchmarks
MediaTek Dimensity 920 (20%)
AMD Ryzen 7 5800 (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.
MediaTek Dimensity 920 MediaTek Dimensity 920
8C 8T @ 2.50 GHz
768 (45%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.60 GHz
1710 (100%)

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.
MediaTek Dimensity 920 MediaTek Dimensity 920
8C 8T @ 2.50 GHz
2277 (21%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.00 GHz
10966 (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.
MediaTek Dimensity 920 MediaTek Dimensity 920
8C 8T @ 2.50 GHz
4867 (19%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.00 GHz
25960 (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.
MediaTek Dimensity 920 MediaTek Dimensity 920
8C 8T @ 2.50 GHz
0 (0%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.60 GHz
1593 (100%)

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.
MediaTek Dimensity 920 MediaTek Dimensity 920
8C 8T @ 2.50 GHz
0 (0%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.00 GHz
14065 (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.
MediaTek Dimensity 920 MediaTek Dimensity 920
8C 8T @ 2.50 GHz
0 (0%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.60 GHz
2087 (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.
MediaTek Dimensity 920 MediaTek Dimensity 920
8C 8T @ 2.50 GHz
0 (0%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 4.00 GHz
10397 (100%)

AnTuTu 9 Benchmark

The AnTuTu 9 benchmark is very well suited to measuring the performance of a smartphone. AnTuTu 9 is quite heavy on 3D graphics and can now also use the "Metal" graphics interface. In AnTuTu, memory and UX (user experience) are also tested by simulating browser and app usage. AnTuTu version 9 can compare any ARM CPU running on Android or iOS. Devices may not be directly comparable when benchmarked on different operating systems.

In the AnTuTu 9 benchmark, the single-core performance of a processor is only slightly weighted. The rating is made up of the multi-core performance of the processor, the speed of the working memory, and the performance of the internal graphics.
MediaTek Dimensity 920 MediaTek Dimensity 920
8C 8T @ 2.50 GHz
442490 (100%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 3.40 GHz
0 (0%)

AnTuTu 8 Benchmark

The AnTuTu 8 Benchmark measures the performance of a SoC. AnTuTu benchmarks the CPU, GPU, Memory as well as the UX (User Experience) by simulating browser and app usage. AnTuTu can benchmark any ARM CPU that runs under Android or iOS. Devices may not be directly compareable if the benchmark has been performed under different operating systems.

In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
MediaTek Dimensity 920 MediaTek Dimensity 920
8C 8T @ 2.50 GHz
482796 (100%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 3.40 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
MediaTek Dimensity 920 MediaTek Dimensity 920
8C 8T @ 2.50 GHz
0 (0%)
AMD Ryzen 7 5800 AMD Ryzen 7 5800
8C 16T @ 3.40 GHz
6328 (100%)

Devices using this processor

MediaTek Dimensity 920 AMD Ryzen 7 5800
Unknown Unknown

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