AMD EPYC Embedded 3451 | AMD Ryzen 7 4800U | |
CPU comparisonAMD EPYC Embedded 3451 or AMD Ryzen 7 4800U - 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 EPYC Embedded 3451 has 16 cores with 32 threads and clocks with a maximum frequency of 3.00 GHz. Up to 1024 GB of memory is supported in 4 memory channels. The AMD EPYC Embedded 3451 was released in Q1/2018. The AMD Ryzen 7 4800U has 8 cores with 16 threads and clocks with a maximum frequency of 4.20 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD Ryzen 7 4800U was released in Q1/2020. |
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AMD EPYC (129) | Family | AMD Ryzen 7 (70) |
AMD EPYC Embedded 3000 (7) | CPU group | AMD Ryzen 4000U (11) |
1 | Generation | 3 |
Snowy Owl (Zen) | Architecture | Renoir (Zen 2) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC Embedded 3451 has 16 CPU cores and can calculate 32 threads in parallel. The clock frequency of the AMD EPYC Embedded 3451 is 2.14 GHz (3.00 GHz) while the AMD Ryzen 7 4800U has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 7 4800U is at 1.80 GHz (4.20 GHz). |
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AMD EPYC Embedded 3451 | Characteristic | AMD Ryzen 7 4800U |
16 | Cores | 8 |
32 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
2.14 GHz | Frequency | 1.80 GHz |
3.00 GHz | Turbo Frequency (1 Core) | 4.20 GHz |
-- | Turbo Frequency (All Cores) | 3.20 GHz |
Integrated graphics (iGPU)The AMD EPYC Embedded 3451 or AMD Ryzen 7 4800U 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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no iGPU | GPU | AMD Radeon RX Vega 8 (Renoir) |
GPU frequency | 0.40 GHz | |
-- | GPU (Turbo) | 1.75 GHz |
-- | GPU Generation | 9 |
Technology | 7 nm | |
Max. displays | 3 | |
-- | Compute units | 8 |
-- | Shader | 512 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 8 GB |
-- | DirectX Version | 12 |
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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no iGPU | GPU | AMD Radeon RX Vega 8 (Renoir) |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC Embedded 3451 can use up to 1024 GB of memory in 4 memory channels. The maximum memory bandwidth is 85.3 GB/s. The AMD Ryzen 7 4800U supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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AMD EPYC Embedded 3451 | Characteristic | AMD Ryzen 7 4800U |
DDR4-2666 | Memory | LPDDR4-4266, DDR4-3200 |
1024 GB | Max. Memory | 64 GB |
4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
85.3 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | Yes |
8.00 MB | L2 Cache | -- |
32.00 MB | L3 Cache | 8.00 MB |
3.0 | PCIe version | 3.0 |
64 | PCIe lanes | 12 |
63.0 GB/s | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC Embedded 3451 is 100 W, while the AMD Ryzen 7 4800U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC Embedded 3451 | Characteristic | AMD Ryzen 7 4800U |
100 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
-- | TDP up | 25 W |
80 W | TDP down | 10 W |
105 °C | Tjunction max. | 105 °C |
Technical detailsThe AMD EPYC Embedded 3451 is manufactured in 14 nm and has 40.00 MB cache. The AMD Ryzen 7 4800U is manufactured in 7 nm and has a 8.00 MB cache. |
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AMD EPYC Embedded 3451 | Characteristic | AMD Ryzen 7 4800U |
14 nm | Technology | 7 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 |
SP4 | Socket | FP6 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q1/2018 | Release date | Q1/2020 |
-- | Release price | -- |
show more data | show more data | |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
AMD EPYC Embedded 3451
@ 0.00 GHz |
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AMD Ryzen 7 4800U
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 1.80 GHz |
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
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AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
Devices using this processor |
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AMD EPYC Embedded 3451 | AMD Ryzen 7 4800U |
Unknown | Unknown |