MediaTek Dimensity 800 | AMD EPYC 7643 | |
CPU comparisonMediaTek Dimensity 800 or AMD EPYC 7643 - 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 7643 has 48 cores with 96 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7643 was released in Q1/2021. |
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Mediatek Dimensity (36) | Family | AMD EPYC (129) |
MediaTek Dimensity 700/720/800 (4) | CPU group | AMD EPYC 7003 (29) |
1 | Generation | 3 |
Cortex-A76 / Cortex-A55 | Architecture | Milan (Zen 3) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | AMD EPYC 7642 |
-- | 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 7643 has 48 CPU cores and 96 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7643 is at 2.30 GHz (3.60 GHz). |
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MediaTek Dimensity 800 | Characteristic | AMD EPYC 7643 |
8 | Cores | 48 |
8 | Threads | 96 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.00 GHz 4x Cortex-A76 |
A-Core | 2.30 GHz (3.60 GHz) 48x Zen 3 |
2.00 GHz 4x Cortex-A55 |
B-Core | -- |
Internal GraphicsThe MediaTek Dimensity 800 or AMD EPYC 7643 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 7643 supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s. |
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MediaTek Dimensity 800 | Characteristic | AMD EPYC 7643 |
LPDDR4X-4266 | Memory | DDR4-3200 |
Max. Memory | 4096 GB | |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
17.1 GB/s | Max. Bandwidth | 204.8 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
-- | L3 Cache | 256.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the MediaTek Dimensity 800 is --, while the AMD EPYC 7643 has a TDP of 240 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 7643 |
-- | TDP (PL1 / PBP) | 240 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 225 W |
-- | Tjunction max. | -- |
Technical detailsThe MediaTek Dimensity 800 is manufactured in 7 nm and has 0.00 MB cache. The AMD EPYC 7643 is manufactured in 7 nm and has a 256.00 MB cache. |
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MediaTek Dimensity 800 | Characteristic | AMD EPYC 7643 |
7 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 |
Q2/2020 | Release date | Q1/2021 |
-- | Release price | 4995 $ |
show more data | show more data | |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 7643
48C 96T @ 3.60 GHz |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 7643
48C 96T @ 3.40 GHz |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 7643
48C 96T @ 3.60 GHz |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 7643
48C 96T @ 3.40 GHz |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 7643
48C 96T @ 3.40 GHz |
MediaTek Dimensity 800
ARM Mali-G57 MP3 @ 0.95 GHz |
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AMD EPYC 7643
@ 0.00 GHz |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 7643
48C 96T @ 2.30 GHz |
MediaTek Dimensity 800
8C 8T @ 2.00 GHz |
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AMD EPYC 7643
48C 96T @ 2.30 GHz |
Devices using this processor |
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MediaTek Dimensity 800 | AMD EPYC 7643 |
Unknown | Unknown |