UNISOC T618 | AMD EPYC Embedded 3251 | |
CPU comparisonUNISOC T618 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 UNISOC T618 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 UNISOC T618 was released in Q3/2019. 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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UNISOC 4G (10) | Family | AMD EPYC (129) |
UNISOC 4G 12nm (8) | CPU group | AMD EPYC Embedded 3000 (7) |
0 | Generation | 1 |
-- | Architecture | Snowy Owl (Zen) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe UNISOC T618 has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the UNISOC T618 is 2.00 GHz while the AMD EPYC Embedded 3251 has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD EPYC Embedded 3251 is at 2.50 GHz (3.10 GHz). |
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UNISOC T618 | Characteristic | AMD EPYC Embedded 3251 |
8 | Cores | 8 |
8 | Threads | 16 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
2.00 GHz 2x Cortex-A75 |
A-Core | 2.50 GHz (3.10 GHz) |
2.00 GHz 6x Cortex-A55 |
B-Core | -- |
Internal GraphicsThe UNISOC T618 or AMD EPYC Embedded 3251 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-G52 MP2 | GPU | no iGPU |
0.85 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
Bifrost 2 | GPU Generation | -- |
16 nm | Technology | |
2 | Max. displays | |
2 | Compute units | -- |
32 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | 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-G52 MP2 | 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 UNISOC T618 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is --. The AMD EPYC Embedded 3251 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 42.7 GB/s. |
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UNISOC T618 | Characteristic | AMD EPYC Embedded 3251 |
LPDDR4X-1866, LPDDR4-1866, LPDDR3-933 | Memory | DDR4-2666 |
Max. Memory | ||
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
-- | Max. Bandwidth | 42.7 GB/s |
No | ECC | Yes |
-- | L2 Cache | 4.00 MB |
-- | L3 Cache | 16.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 32 |
-- | PCIe Bandwidth | 31.5 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the UNISOC T618 is --, while the AMD EPYC Embedded 3251 has a TDP of 55 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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UNISOC T618 | Characteristic | AMD EPYC Embedded 3251 |
-- | TDP (PL1 / PBP) | 55 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 105 °C |
Technical detailsThe UNISOC T618 is manufactured in 12 nm and has 0.00 MB cache. The AMD EPYC Embedded 3251 is manufactured in 14 nm and has a 20.00 MB cache. |
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UNISOC T618 | Characteristic | AMD EPYC Embedded 3251 |
12 nm | Technology | 14 nm |
Unknown | Chip design | Chiplet |
Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
-- | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
-- | Socket | SP4r2 |
None | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Android | Operating systems | Windows 10, Linux |
Q3/2019 | Release date | Q1/2018 |
-- | Release price | -- |
show more data | show more data | |
UNISOC T618
8C 8T @ 2.00 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
UNISOC T618
8C 8T @ 2.00 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
UNISOC T618
8C 8T @ 2.00 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
UNISOC T618
8C 8T @ 2.00 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
UNISOC T618
ARM Mali-G52 MP2 @ 0.85 GHz |
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AMD EPYC Embedded 3251
@ 0.00 GHz |
UNISOC T618
8C 8T @ 2.00 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
Devices using this processor |
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UNISOC T618 | AMD EPYC Embedded 3251 |
Unknown | Unknown |