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HiSilicon Kirin 990 4G | AMD EPYC 9374F | |
CPU comparisonHiSilicon Kirin 990 4G or AMD EPYC 9374F - 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 HiSilicon Kirin 990 4G has 8 cores with 8 threads and clocks with a maximum frequency of 2.86 GHz. Up to 8 GB of memory is supported in 4 memory channels. The HiSilicon Kirin 990 4G was released in Q3/2019. The AMD EPYC 9374F has 32 cores with 64 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 6144 GB of memory in 12 memory channels. The AMD EPYC 9374F was released in Q4/2022. |
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HiSilicon Kirin (29) | Family | AMD EPYC (129) |
HiSilicon Kirin 990 (3) | CPU group | AMD EPYC 9004 (21) |
8 | Generation | 4 |
Cortex-A76 / Cortex-A55 | Architecture | Genoa / Genoa-X (Zen 4) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe HiSilicon Kirin 990 4G has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the HiSilicon Kirin 990 4G is 2.86 GHz while the AMD EPYC 9374F has 32 CPU cores and 64 threads can calculate simultaneously. The clock frequency of the AMD EPYC 9374F is at 3.85 GHz (4.30 GHz). |
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HiSilicon Kirin 990 4G | Characteristic | AMD EPYC 9374F |
8 | Cores | 32 |
8 | Threads | 64 |
hybrid (Prime / big.LITTLE) | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.86 GHz 2x Cortex-A76 |
A-Core | 3.85 GHz (4.30 GHz) 32x Zen 4 |
2.09 GHz 2x Cortex-A76 |
B-Core | -- |
1.86 GHz 4x Cortex-A55 |
C-Core | -- |
NPU AI performanceThe 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. |
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HiSilicon Kirin 990 4G | Characteristic | AMD EPYC 9374F |
HUAWEI HiAI 2.0 | AI hardware | -- |
Da Vinci Architecture. 1x Ascend Lite + 1x Ascend Tiny | AI specifications | -- |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The HiSilicon Kirin 990 4G or AMD EPYC 9374F 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-G76 MP16 | GPU | no iGPU |
0.60 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
Bifrost 3 | GPU Generation | -- |
7 nm | Technology | |
2 | Max. displays | |
16 | Compute units | -- |
256 | 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-G76 MP16 | 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 |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode / Encode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe HiSilicon Kirin 990 4G can use up to 8 GB of memory in 4 memory channels. The maximum memory bandwidth is --. The AMD EPYC 9374F supports up to 6144 GB of memory in 12 memory channels and achieves a memory bandwidth of up to 460.8 GB/s. |
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HiSilicon Kirin 990 4G | Characteristic | AMD EPYC 9374F |
LPDDR4X-2133 | Memory | DDR5-4800 |
8 GB | Max. Memory | 6144 GB |
4 (Quad Channel) | Memory channels | 12 |
-- | Max. Bandwidth | 460.8 GB/s |
No | ECC | Yes |
-- | L2 Cache | 32.00 MB |
2.00 MB | L3 Cache | 256.00 MB |
-- | PCIe version | 5.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 504.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the HiSilicon Kirin 990 4G is 6 W, while the AMD EPYC 9374F has a TDP of 320 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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HiSilicon Kirin 990 4G | Characteristic | AMD EPYC 9374F |
6 W | TDP (PL1 / PBP) | 320 W |
-- | TDP (PL2) | -- |
-- | TDP up | 400 W |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe HiSilicon Kirin 990 4G is manufactured in 7 nm and has 2.00 MB cache. The AMD EPYC 9374F is manufactured in 5 nm and has a 288.00 MB cache. |
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HiSilicon Kirin 990 4G | Characteristic | AMD EPYC 9374F |
7 nm | Technology | 5 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 |
Q3/2019 | Release date | Q4/2022 |
-- | Release price | 4850 $ |
show more data | show more data | |
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HiSilicon Kirin 990 4G
8C 8T @ 2.86 GHz |
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AMD EPYC 9374F
32C 64T @ 4.30 GHz |
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HiSilicon Kirin 990 4G
8C 8T @ 2.86 GHz |
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AMD EPYC 9374F
32C 64T @ 4.10 GHz |
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HiSilicon Kirin 990 4G
8C 8T @ 2.86 GHz |
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AMD EPYC 9374F
32C 64T @ 4.30 GHz |
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HiSilicon Kirin 990 4G
8C 8T @ 2.86 GHz |
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AMD EPYC 9374F
32C 64T @ 4.10 GHz |
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HiSilicon Kirin 990 4G
ARM Mali-G76 MP16 @ 0.60 GHz |
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AMD EPYC 9374F
@ 0.00 GHz |
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HiSilicon Kirin 990 4G
8C 8T @ 2.86 GHz |
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AMD EPYC 9374F
32C 64T @ 4.10 GHz |
Devices using this processor |
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HiSilicon Kirin 990 4G | AMD EPYC 9374F |
Huawei Mate 30 Pro | Unknown |