MediaTek Dimensity 820 vs AMD Ryzen 3 3250C

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CPU comparison with benchmarks


MediaTek Dimensity 820 CPU1 vs CPU2 AMD Ryzen 3 3250C
MediaTek Dimensity 820 AMD Ryzen 3 3250C

CPU comparison

MediaTek Dimensity 820 or AMD Ryzen 3 3250C - 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 MediaTek Dimensity 820 has 8 cores with 8 threads and clocks with a maximum frequency of 2.60 GHz. Up to 16 GB of memory is supported in 2 memory channels. The MediaTek Dimensity 820 was released in Q2/2020.

The AMD Ryzen 3 3250C has 2 cores with 4 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The AMD Ryzen 3 3250C was released in Q3/2020.
Mediatek Dimensity (36) Family AMD Ryzen 3 (33)
MediaTek Dimensity 820 (1) CPU group AMD Ryzen 3000C (3)
1 Generation 3
Cortex-A76 / Cortex-A55 Architecture Picasso (Zen+)
Mobile Segment Mobile
-- Predecessor --
-- Successor AMD Ryzen 3 5425C

CPU Cores and Base Frequency

The MediaTek Dimensity 820 is a 8 core processor with a clock frequency of 2.60 GHz. The AMD Ryzen 3 3250C has 2 CPU cores with a clock frequency of 2.60 GHz (3.50 GHz).

MediaTek Dimensity 820 Characteristic AMD Ryzen 3 3250C
8 Cores 2
8 Threads 4
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.60 GHz
4x Cortex-A76
A-Core 2.60 GHz (3.50 GHz)
2.00 GHz
4x 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 820 Characteristic AMD Ryzen 3 3250C
-- AI hardware --
-- 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.

ARM Mali-G57 MP5 GPU AMD Radeon RX Vega 3 (Raven Ridge)
0.90 GHz GPU frequency 1.20 GHz
-- GPU (Turbo) --
Vallhall 1 GPU Generation 8
7 nm Technology 14 nm
2 Max. displays 3
5 Compute units 3
80 Shader 192
No Hardware Raytracing No
No Frame Generation No
4 GB Max. GPU Memory 2 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.

ARM Mali-G57 MP5 GPU AMD Radeon RX Vega 3 (Raven Ridge)
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 / Encode
Decode / Encode Codec VP8 Decode / Encode
Decode Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode / Encode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The MediaTek Dimensity 820 supports a maximum of 16 GB of memory in 2 memory channels. The AMD Ryzen 3 3250C can connect up to 32 GB of memory in 2 memory channels.

MediaTek Dimensity 820 Characteristic AMD Ryzen 3 3250C
LPDDR4X-4266 Memory DDR4-2400
16 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.2 GB/s Max. Bandwidth 38.4 GB/s
No ECC Yes
-- L2 Cache 1.00 MB
-- L3 Cache 4.00 MB
-- PCIe version 3.0
-- PCIe lanes 20
-- PCIe Bandwidth 19.7 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The MediaTek Dimensity 820 has a TDP of --, that of the AMD Ryzen 3 3250C is 15 W.

MediaTek Dimensity 820 Characteristic AMD Ryzen 3 3250C
-- TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up 25 W
-- TDP down 12 W
-- Tjunction max. 105 °C

Technical details

The MediaTek Dimensity 820 has a 0.00 MB cache, while the AMD Ryzen 3 3250C cache has a total of 5.00 MB.

MediaTek Dimensity 820 Characteristic AMD Ryzen 3 3250C
7 nm Technology 12 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 FP5
None Virtualization AMD-V, SVM
No AES-NI Yes
Android Operating systems Windows 10, Windows 11, Linux
Q2/2020 Release date Q3/2020
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
MediaTek Dimensity 820 (85%)
AMD Ryzen 3 3250C (100%)
⌀ Multi core performance in 3 CPU benchmarks
MediaTek Dimensity 820 (100%)
AMD Ryzen 3 3250C (65%)

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 820 MediaTek Dimensity 820
8C 8T @ 2.60 GHz
646 (84%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 3.50 GHz
771 (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 820 MediaTek Dimensity 820
8C 8T @ 2.60 GHz
2432 (100%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 2.80 GHz
1586 (65%)

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 820 MediaTek Dimensity 820
8C 8T @ 2.60 GHz
820 (86%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 3.50 GHz
957 (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 820 MediaTek Dimensity 820
8C 8T @ 2.60 GHz
2512 (100%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 2.80 GHz
1449 (58%)

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.
MediaTek Dimensity 820 MediaTek Dimensity 820
ARM Mali-G57 MP5 @ 0.90 GHz
576 (100%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
AMD Radeon RX Vega 3 (Raven Ridge) @ 1.20 GHz
461 (80%)

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 820 MediaTek Dimensity 820
8C 8T @ 2.60 GHz
4401 (100%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 2.80 GHz
3212 (73%)

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 820 MediaTek Dimensity 820
8C 8T @ 2.60 GHz
447630 (100%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 2.60 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 820 MediaTek Dimensity 820
8C 8T @ 2.60 GHz
407964 (100%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 2.60 GHz
0 (0%)

Devices using this processor

MediaTek Dimensity 820 AMD Ryzen 3 3250C
Unknown Unknown

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