AMD EPYC 7401P | AMD RX-421BD | |
CPU comparisonAMD EPYC 7401P or AMD RX-421BD - 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 7401P has 24 cores with 48 threads and clocks with a maximum frequency of 3.00 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7401P was released in Q3/2017. The AMD RX-421BD has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD RX-421BD was released in Q4/2015. |
||
AMD EPYC (129) | Family | AMD R (6) |
AMD EPYC 7001 (12) | CPU group | AMD RX 1st Gen. (6) |
1 | Generation | 1 |
Naples (Zen) | Architecture | Merlin Falcon (Excavator) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
|
||
CPU Cores and Base FrequencyThe AMD EPYC 7401P is a 24 core processor with a clock frequency of 2.00 GHz (3.00 GHz). The AMD RX-421BD has 4 CPU cores with a clock frequency of 2.10 GHz (3.40 GHz). |
||
AMD EPYC 7401P | Characteristic | AMD RX-421BD |
24 | Cores | 4 |
48 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.00 GHz | Frequency | 2.10 GHz |
3.00 GHz | Turbo Frequency (1 Core) | 3.40 GHz |
2.80 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsThe 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. |
||
no iGPU | GPU | AMD Radeon R7 - 512 (Merlin Falcon) |
GPU frequency | 0.80 GHz | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 3 |
Technology | 28 | |
Max. displays | 3 | |
-- | Compute units | 8 |
-- | Shader | 512 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 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. |
||
no iGPU | GPU | AMD Radeon R7 - 512 (Merlin Falcon) |
No | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | No |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
No | Codec AVC | No |
No | Codec VC-1 | No |
No | Codec JPEG | Decode |
Memory & PCIeThe AMD EPYC 7401P supports a maximum of GB of memory in 8 memory channels. The AMD RX-421BD can connect up to GB of memory in 2 memory channels. |
||
AMD EPYC 7401P | Characteristic | AMD RX-421BD |
DDR4-2400, DDR4-2666 | Memory | DDR4-2400, DDR3-2133 |
Max. Memory | ||
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
170.6 GB/s | Max. Bandwidth | 38.4 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | 2.00 MB |
64.00 MB | L3 Cache | -- |
3.0 | PCIe version | 3.0 |
128 | PCIe lanes | 12 |
126.1 GB/s | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD EPYC 7401P has a TDP of 170 W, that of the AMD RX-421BD is 35 W. |
||
AMD EPYC 7401P | Characteristic | AMD RX-421BD |
170 W | TDP (PL1 / PBP) | 35 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 12 W |
-- | Tjunction max. | 90 °C |
Technical detailsThe AMD EPYC 7401P has a 64.00 MB cache, while the AMD RX-421BD cache has a total of 2.00 MB. |
||
AMD EPYC 7401P | Characteristic | AMD RX-421BD |
14 nm | Technology | 28 nm |
Chiplet | Chip design | Unknown |
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, AVX, FMA3, FMA4 |
SP3 | Socket | FP4 |
AMD-V, SVM | Virtualization | AMD-V, AMD-Vt |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | |
Q3/2017 | Release date | Q4/2015 |
1450 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 7401P
24C 48T @ 3.00 GHz |
|||
AMD RX-421BD
4C 4T @ 3.40 GHz |
AMD EPYC 7401P
24C 48T @ 2.80 GHz |
|||
AMD RX-421BD
4C 4T @ 2.10 GHz |
AMD EPYC 7401P
24C 48T @ 3.00 GHz |
|||
AMD RX-421BD
4C 4T @ 3.40 GHz |
AMD EPYC 7401P
24C 48T @ 2.80 GHz |
|||
AMD RX-421BD
4C 4T @ 2.10 GHz |
AMD EPYC 7401P
@ 0.00 GHz |
|||
AMD RX-421BD
AMD Radeon R7 - 512 (Merlin Falcon) @ 0.80 GHz |
AMD EPYC 7401P
24C 48T @ 2.80 GHz |
|||
AMD RX-421BD
4C 4T @ 2.10 GHz |
AMD EPYC 7401P
24C 48T @ 3.00 GHz |
|||
AMD RX-421BD
4C 4T @ 3.40 GHz |
AMD EPYC 7401P
24C 48T @ 2.80 GHz |
|||
AMD RX-421BD
4C 4T @ 2.10 GHz |
Devices using this processor |
|
AMD EPYC 7401P | AMD RX-421BD |
Unknown | Unknown |