Note: The information shown below is based on rumors and unoffical information. Technical details or benchmark results may be different in the final version of this processor. |
MediaTek Dimensity 800 | AMD EPYC 9745 | |
CPU comparisonMediaTek Dimensity 800 or AMD EPYC 9745 - 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 800 has 8 cores with 8 threads and clocks with a maximum frequency of 2.00 GHz. Up to GB of memory is supported in 2 memory channels. The MediaTek Dimensity 800 was released in Q2/2020. The AMD EPYC 9745 has 128 cores with 256 threads and clocks with a maximum frequency of 2.30 GHz. The CPU supports up to 6144 GB of memory in 12 memory channels. The AMD EPYC 9745 was released in Q4/2024. |
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Mediatek Dimensity (36) | Family | AMD EPYC (129) |
MediaTek Dimensity 700/720/800 (4) | CPU group | AMD EPYC 9005 (21) |
1 | Generation | 5 |
Cortex-A76 / Cortex-A55 | Architecture | Turin (Zen 5 / Zen 5c) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe MediaTek Dimensity 800 has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the MediaTek Dimensity 800 is 2.00 GHz while the AMD EPYC 9745 has 128 CPU cores and 256 threads can calculate simultaneously. The clock frequency of the AMD EPYC 9745 is at 2.30 GHz. |
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MediaTek Dimensity 800 | Characteristic | AMD EPYC 9745 |
8 | Cores | 128 |
8 | Threads | 256 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.00 GHz 4x Cortex-A76 |
A-Core | 2.30 GHz 128x Zen 5 |
2.00 GHz 4x Cortex-A55 |
B-Core | -- |
Integrated graphics (iGPU)The MediaTek Dimensity 800 or AMD EPYC 9745 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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ARM Mali-G57 MP3 | GPU | no iGPU |
0.95 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
Vallhall 1 | GPU Generation | -- |
7 nm | Technology | |
2 | Max. displays | |
3 | Compute units | -- |
48 | 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 MP3 | 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 Dimensity 800 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 17.1 GB/s. The AMD EPYC 9745 supports up to 6144 GB of memory in 12 memory channels and achieves a memory bandwidth of up to 480.0 GB/s. |
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MediaTek Dimensity 800 | Characteristic | AMD EPYC 9745 |
LPDDR4X-4266 | Memory | DDR5-6000 |
Max. Memory | 6144 GB | |
2 (Dual Channel) | Memory channels | 12 |
17.1 GB/s | Max. Bandwidth | 480.0 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
-- | L3 Cache | 512.00 MB |
-- | PCIe version | 5.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 504.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the MediaTek Dimensity 800 is --, while the AMD EPYC 9745 has a TDP of 400 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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MediaTek Dimensity 800 | Characteristic | AMD EPYC 9745 |
-- | TDP (PL1 / PBP) | 400 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe MediaTek Dimensity 800 is manufactured in 7 nm and has 0.00 MB cache. The AMD EPYC 9745 is manufactured in 4 nm and has a 512.00 MB cache. |
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MediaTek Dimensity 800 | Characteristic | AMD EPYC 9745 |
7 nm | Technology | 4 nm |
Chiplet | Chip design | Chiplet |
Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
-- | ISA extensions | SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI |
-- | Socket | SP5 |
None | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Android | Operating systems | Windows Server 2022, Linux, Windows 11 |
Q2/2020 | Release date | Q4/2024 |
-- | Release price | -- |
show more data | show more data | |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 9745
128C 256T @ 2.30 GHzNot verified |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 9745
128C 256T @ 2.30 GHzNot verified |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 9745
128C 256T @ 2.30 GHzNot verified |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 9745
128C 256T @ 2.30 GHzNot verified |
MediaTek Dimensity 800
ARM Mali-G57 MP3 @ 0.95 GHz |
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AMD EPYC 9745
@ 0.00 GHzNot verified |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 9745
128C 256T @ 2.30 GHzNot verified |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 9745
128C 256T @ 2.30 GHzNot verified |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 9745
128C 256T @ 2.30 GHzNot verified |
Devices using this processor |
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MediaTek Dimensity 800 | AMD EPYC 9745 |
Unknown | Unknown |