AMD Ryzen 9 4900HS | AMD EPYC Embedded 3251 | |
CPU comparisonAMD Ryzen 9 4900HS or AMD EPYC Embedded 3251 - 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 AMD Ryzen 9 4900HS has 8 cores with 16 threads and clocks with a maximum frequency of 4.30 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 4900HS was released in Q2/2020. The AMD EPYC Embedded 3251 has 8 cores with 16 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD EPYC Embedded 3251 was released in Q1/2018. |
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AMD Ryzen 9 (40) | Family | AMD EPYC (129) |
AMD Ryzen 4000H (6) | CPU group | AMD EPYC Embedded 3000 (7) |
3 | Generation | 1 |
Renoir (Zen 2) | Architecture | Snowy Owl (Zen) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 4900HS is a 8 core processor with a clock frequency of 3.00 GHz (4.30 GHz). The AMD EPYC Embedded 3251 has 8 CPU cores with a clock frequency of 2.50 GHz (3.10 GHz). |
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AMD Ryzen 9 4900HS | Characteristic | AMD EPYC Embedded 3251 |
8 | Cores | 8 |
16 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
3.00 GHz | Frequency | 2.50 GHz |
4.30 GHz | Turbo Frequency (1 Core) | 3.10 GHz |
3.90 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The 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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AMD Radeon RX Vega 8 (Renoir) | GPU | no iGPU |
0.40 GHz | GPU frequency | -- |
1.75 GHz | GPU (Turbo) | -- |
9 | GPU Generation | -- |
7 nm | Technology | |
3 | Max. displays | |
8 | Compute units | -- |
512 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
8 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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AMD Radeon RX Vega 8 (Renoir) | 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 | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD Ryzen 9 4900HS supports a maximum of 64 GB of memory in 2 memory channels. The AMD EPYC Embedded 3251 can connect up to GB of memory in 2 memory channels. |
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AMD Ryzen 9 4900HS | Characteristic | AMD EPYC Embedded 3251 |
LPDDR4-4266, DDR4-3200 | Memory | DDR4-2666 |
64 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
51.2 GB/s | Max. Bandwidth | 42.7 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | 4.00 MB |
8.00 MB | L3 Cache | 16.00 MB |
3.0 | PCIe version | 3.0 |
12 | PCIe lanes | 32 |
11.8 GB/s | PCIe Bandwidth | 31.5 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 9 4900HS has a TDP of 35 W, that of the AMD EPYC Embedded 3251 is 55 W. |
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AMD Ryzen 9 4900HS | Characteristic | AMD EPYC Embedded 3251 |
35 W | TDP (PL1 / PBP) | 55 W |
-- | TDP (PL2) | -- |
54 W | TDP up | -- |
35 W | TDP down | -- |
105 °C | Tjunction max. | 105 °C |
Technical detailsThe AMD Ryzen 9 4900HS has a 8.00 MB cache, while the AMD EPYC Embedded 3251 cache has a total of 20.00 MB. |
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AMD Ryzen 9 4900HS | Characteristic | AMD EPYC Embedded 3251 |
7 nm | Technology | 14 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
FP6 | Socket | SP4r2 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q2/2020 | Release date | Q1/2018 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 9 4900HS
8C 16T @ 3.90 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 4.30 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 3.90 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 4.30 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 3.90 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 4.30 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 3.90 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 4.30 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 3.90 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
AMD Ryzen 9 4900HS
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz |
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AMD EPYC Embedded 3251
@ 0.00 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 3.90 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 3.00 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 4.30 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
AMD Ryzen 9 4900HS
8C 16T @ 3.90 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
Devices using this processor |
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AMD Ryzen 9 4900HS | AMD EPYC Embedded 3251 |
Asus Zephyrus G14 | Unknown |