MediaTek Helio G99 | AMD EPYC 7542 | |
CPU comparisonMediaTek Helio G99 or AMD EPYC 7542 - 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 Helio G99 has 8 cores with 8 threads and clocks with a maximum frequency of 2.20 GHz. Up to 12 GB of memory is supported in 2 memory channels. The MediaTek Helio G99 was released in Q3/2022. The AMD EPYC 7542 has 32 cores with 64 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7542 was released in Q3/2019. |
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Mediatek Helio (37) | Family | AMD EPYC (129) |
MediaTek Helio G99 (1) | CPU group | AMD EPYC 7002 (24) |
1 | Generation | 2 |
Cortex-A76 / Cortex-A55 | Architecture | Rome (Zen 2) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe MediaTek Helio G99 is a 8 core processor with a clock frequency of 2.20 GHz. The AMD EPYC 7542 has 32 CPU cores with a clock frequency of 2.90 GHz (3.40 GHz). |
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MediaTek Helio G99 | Characteristic | AMD EPYC 7542 |
8 | Cores | 32 |
8 | Threads | 64 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.20 GHz 2x Cortex-A76 |
A-Core | 2.90 GHz (3.40 GHz) |
2.00 GHz 6x Cortex-A55 |
B-Core | -- |
Artificial Intelligence and Machine LearningProcessors 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. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor. |
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MediaTek Helio G99 | Characteristic | AMD EPYC 7542 |
Mediatek APU | AI hardware | -- |
MediaTek APU 2 @ 1 TOPS | AI specifications | -- |
Internal GraphicsThe 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. |
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ARM Mali-G57 MP2 | GPU | no iGPU |
0.25 GHz | GPU frequency | -- |
1.07 GHz | GPU (Turbo) | -- |
Vallhall 1 | GPU Generation | -- |
7 nm | Technology | |
2 | Max. displays | |
2 | Compute units | -- |
32 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
4 GB | Max. GPU Memory | -- |
12 | 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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ARM Mali-G57 MP2 | 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 & PCIeThe MediaTek Helio G99 supports a maximum of 12 GB of memory in 2 memory channels. The AMD EPYC 7542 can connect up to GB of memory in 8 memory channels. |
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MediaTek Helio G99 | Characteristic | AMD EPYC 7542 |
LPDDR4X-4266 | Memory | DDR4-3200 |
12 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
34.1 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
-- | L3 Cache | 128.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The MediaTek Helio G99 has a TDP of --, that of the AMD EPYC 7542 is 225 W. |
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MediaTek Helio G99 | Characteristic | AMD EPYC 7542 |
-- | TDP (PL1 / PBP) | 225 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe MediaTek Helio G99 has a 0.00 MB cache, while the AMD EPYC 7542 cache has a total of 128.00 MB. |
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MediaTek Helio G99 | Characteristic | AMD EPYC 7542 |
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 | SP3 |
None | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Android | Operating systems | Windows 10, Linux |
Q3/2022 | Release date | Q3/2019 |
-- | Release price | 6000 $ |
show more data | show more data | |
MediaTek Helio G99
8C 8T @ 2.20 GHz |
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AMD EPYC 7542
32C 64T @ 3.40 GHz |
MediaTek Helio G99
8C 8T @ 2.20 GHz |
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AMD EPYC 7542
32C 64T @ 3.20 GHz |
MediaTek Helio G99
8C 8T @ 2.20 GHz |
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AMD EPYC 7542
32C 64T @ 3.40 GHz |
MediaTek Helio G99
8C 8T @ 2.20 GHz |
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AMD EPYC 7542
32C 64T @ 3.20 GHz |
MediaTek Helio G99
8C 8T @ 2.20 GHz |
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AMD EPYC 7542
32C 64T @ 3.20 GHz |
MediaTek Helio G99
8C 8T @ 2.20 GHz |
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AMD EPYC 7542
32C 64T @ 3.40 GHz |
MediaTek Helio G99
ARM Mali-G57 MP2 @ 1.07 GHz |
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AMD EPYC 7542
@ 0.00 GHz |
MediaTek Helio G99
8C 8T @ 2.20 GHz |
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AMD EPYC 7542
32C 64T @ 2.90 GHz |
MediaTek Helio G99
8C 8T @ 2.20 GHz |
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AMD EPYC 7542
32C 64T @ 2.90 GHz |
MediaTek Helio G99
8C 8T @ 2.20 GHz |
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AMD EPYC 7542
32C 64T @ 2.90 GHz |
Devices using this processor |
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MediaTek Helio G99 | AMD EPYC 7542 |
Unknown | Unknown |