MediaTek MT8121 | AMD Ryzen 9 3900 | |
CPU comparisonMediaTek MT8121 or AMD Ryzen 9 3900 - 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 MT8121 has 4 cores with 4 threads and clocks with a maximum frequency of 1.30 GHz. Up to GB of memory is supported in 0 memory channels. The MediaTek MT8121 was released in Q4/2013. The AMD Ryzen 9 3900 has 12 cores with 24 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 3900 was released in Q3/2019. |
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Mediatek MT-Serie (72) | Family | AMD Ryzen 9 (40) |
MediaTek MT81xx A7 (5) | CPU group | AMD Ryzen 3000 (15) |
1 | Generation | 3 |
Cortex-A7 | Architecture | Matisse (Zen 2) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | AMD Ryzen 9 5900 |
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CPU Cores and Base FrequencyThe MediaTek MT8121 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the MediaTek MT8121 is 1.30 GHz while the AMD Ryzen 9 3900 has 12 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 3900 is at 3.10 GHz (4.30 GHz). |
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MediaTek MT8121 | Characteristic | AMD Ryzen 9 3900 |
4 | Cores | 12 |
4 | Threads | 24 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
1.30 GHz | Frequency | 3.10 GHz |
-- | Turbo Frequency (1 Core) | 4.30 GHz |
-- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The MediaTek MT8121 or AMD Ryzen 9 3900 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. |
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PowerVR SGX544 | GPU | no iGPU |
0.16 GHz | GPU frequency | -- |
0.16 GHz | GPU (Turbo) | -- |
-- | GPU Generation | -- |
45nm | Technology | |
1 | Max. displays | |
2 | Compute units | -- |
4 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | -- |
10.1 | DirectX Version | -- |
Hardware codec supportA 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. |
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PowerVR SGX544 | GPU | no iGPU |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
No | Codec VP9 | No |
Decode | Codec VP8 | No |
No | Codec AV1 | No |
No | Codec AVC | No |
No | Codec VC-1 | No |
No | Codec JPEG | No |
Memory & PCIeThe MediaTek MT8121 can use up to GB of memory in 0 memory channels. The maximum memory bandwidth is --. The AMD Ryzen 9 3900 supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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MediaTek MT8121 | Characteristic | AMD Ryzen 9 3900 |
Memory | DDR4-3200 | |
Max. Memory | 128 GB | |
0 | Memory channels | 2 (Dual Channel) |
-- | Max. Bandwidth | 51.2 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
-- | L3 Cache | 64.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 20 |
-- | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the MediaTek MT8121 is --, while the AMD Ryzen 9 3900 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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MediaTek MT8121 | Characteristic | AMD Ryzen 9 3900 |
-- | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 95 °C |
Technical detailsThe MediaTek MT8121 is manufactured in 28 nm and has 0.00 MB cache. The AMD Ryzen 9 3900 is manufactured in 7 nm and has a 64.00 MB cache. |
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MediaTek MT8121 | Characteristic | AMD Ryzen 9 3900 |
28 nm | Technology | 7 nm |
Chiplet | Chip design | Chiplet |
Armv7-A (32 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 |
Q4/2013 | Release date | Q3/2019 |
-- | Release price | 485 $ |
show more data | show more data | |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 4.30 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
MediaTek MT8121
PowerVR SGX544 @ 0.16 GHz |
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AMD Ryzen 9 3900
@ 0.00 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
MediaTek MT8121
4C 4T @ 1.30 GHz |
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AMD Ryzen 9 3900
12C 24T @ 3.10 GHz |
Devices using this processor |
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MediaTek MT8121 | AMD Ryzen 9 3900 |
Unknown | Unknown |