AMD RX-421BD vs Intel Xeon Platinum 8256
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CPU comparison with benchmarks
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| AMD RX-421BD | Intel Xeon Platinum 8256 | |
CPU comparisonAMD RX-421BD or Intel Xeon Platinum 8256 - 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 RX-421BD has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. Up to GB of memory is supported in 2 memory channels. The AMD RX-421BD was released in Q4/2015. The Intel Xeon Platinum 8256 has 4 cores with 8 threads and clocks with a maximum frequency of 3.90 GHz. The CPU supports up to 1024 GB of memory in 6 memory channels. The Intel Xeon Platinum 8256 was released in Q2/2019. |
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| AMD R (6) | Family | Intel Xeon Platinum (89) |
| AMD RX 1st Gen. (6) | CPU group | Intel Xeon Platinum 8200/9200 (21) |
| 1 | Generation | 2 |
| Merlin Falcon (Excavator) | Architecture | Cascade Lake |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD RX-421BD has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD RX-421BD is 2.10 GHz (3.40 GHz) while the Intel Xeon Platinum 8256 has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Xeon Platinum 8256 is at 3.80 GHz (3.90 GHz). |
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| AMD RX-421BD | Characteristic | Intel Xeon Platinum 8256 |
| 4 | Cores | 4 |
| 4 | Threads | 8 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.10 GHz | Frequency | 3.80 GHz |
| 3.40 GHz | Turbo Frequency (1 Core) | 3.90 GHz |
| -- | Turbo Frequency (All Cores) | 3.90 GHz |
Internal GraphicsThe AMD RX-421BD or Intel Xeon Platinum 8256 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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| AMD Radeon R7 - 512 (Merlin Falcon) | GPU | no iGPU |
| 0.80 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 3 | GPU Generation | -- |
| 28 | Technology | |
| 3 | Max. displays | |
| 8 | Compute units | -- |
| 512 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 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 R7 - 512 (Merlin Falcon) | GPU | no iGPU |
| Decode | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | No |
| Decode | Codec JPEG | No |
Memory & PCIeThe AMD RX-421BD can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The Intel Xeon Platinum 8256 supports up to 1024 GB of memory in 6 memory channels and achieves a memory bandwidth of up to 140.7 GB/s. |
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| AMD RX-421BD | Characteristic | Intel Xeon Platinum 8256 |
| DDR4-2400, DDR3-2133 | Memory | DDR4-2933 |
| Max. Memory | 1024 GB | |
| 2 (Dual Channel) | Memory channels | 6 (Hexa Channel) |
| 38.4 GB/s | Max. Bandwidth | 140.7 GB/s |
| Yes | ECC | Yes |
| 2.00 MB | L2 Cache | -- |
| -- | L3 Cache | 16.50 MB |
| 3.0 | PCIe version | 3.0 |
| 12 | PCIe lanes | 48 |
| 11.8 GB/s | PCIe Bandwidth | 47.3 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD RX-421BD is 35 W, while the Intel Xeon Platinum 8256 has a TDP of 105 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD RX-421BD | Characteristic | Intel Xeon Platinum 8256 |
| 35 W | TDP (PL1 / PBP) | 105 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| 12 W | TDP down | -- |
| 90 °C | Tjunction max. | -- |
Technical detailsThe AMD RX-421BD is manufactured in 28 nm and has 2.00 MB cache. The Intel Xeon Platinum 8256 is manufactured in 14 nm and has a 16.50 MB cache. |
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| AMD RX-421BD | Characteristic | Intel Xeon Platinum 8256 |
| 28 nm | Technology | 14 nm |
| Unknown | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
| FP4 | Socket | LGA 3647 |
| AMD-V, AMD-Vt | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Linux | |
| Q4/2015 | Release date | Q2/2019 |
| -- | Release price | 7010 $ |
| show more data | show more data | |
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Rate these processors
Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD RX-421BD
4C 4T @ 3.40 GHz |
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Intel Xeon Platinum 8256
4C 8T @ 3.90 GHz |
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iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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AMD RX-421BD
AMD Radeon R7 - 512 (Merlin Falcon) @ 0.80 GHz |
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Intel Xeon Platinum 8256
@ 0.00 GHz |
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Devices using this processor |
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| AMD RX-421BD | Intel Xeon Platinum 8256 |
| Unknown | Unknown |
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