AMD RX-421BD vs Qualcomm Snapdragon 632
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CPU comparison with benchmarks
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| AMD RX-421BD | Qualcomm Snapdragon 632 | |
CPU comparisonAMD RX-421BD or Qualcomm Snapdragon 632 - 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 Qualcomm Snapdragon 632 has 8 cores with 8 threads and clocks with a maximum frequency of 1.80 GHz. The CPU supports up to 4 GB of memory in 2 memory channels. The Qualcomm Snapdragon 632 was released in Q3/2018. |
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| AMD R (6) | Family | Qualcomm Snapdragon (102) |
| AMD RX 1st Gen. (6) | CPU group | Qualcomm Snapdragon 632 (1) |
| 1 | Generation | 6 |
| Merlin Falcon (Excavator) | Architecture | Kryo 250 |
| Mobile | Segment | Mobile |
| -- | 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 Qualcomm Snapdragon 632 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Qualcomm Snapdragon 632 is at 1.80 GHz. |
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| AMD RX-421BD | Characteristic | Qualcomm Snapdragon 632 |
| 4 | Cores | 8 |
| 4 | Threads | 8 |
| normal | Core architecture | hybrid (big.LITTLE) |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.10 GHz (3.40 GHz) | A-Core | 1.80 GHz 4x Kryo 250 Gold |
| -- | B-Core | 1.80 GHz 4x Kryo 250 Silver |
Artificial Intelligence and Machine LearningProcessors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor. |
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| AMD RX-421BD | Characteristic | Qualcomm Snapdragon 632 |
| -- | AI hardware | Qualcomm AI engine |
| -- | AI specifications | Hexagon 546 |
Internal GraphicsThe AMD RX-421BD or Qualcomm Snapdragon 632 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 | Qualcomm Adreno 506 |
| 0.80 GHz | GPU frequency | 0.60 GHz |
| -- | GPU (Turbo) | 0.60 GHz |
| 3 | GPU Generation | 5 |
| 28 | Technology | 14 nm |
| 3 | Max. displays | 0 |
| 8 | Compute units | -- |
| 512 | Shader | 96 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 12 | DirectX Version | 11 |
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 | Qualcomm Adreno 506 |
| Decode | Codec h265 / HEVC (8 bit) | Decode |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | Decode / Encode |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | Decode |
| Decode | Codec JPEG | Decode / Encode |
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 Qualcomm Snapdragon 632 supports up to 4 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 7.5 GB/s. |
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| AMD RX-421BD | Characteristic | Qualcomm Snapdragon 632 |
| DDR4-2400, DDR3-2133 | Memory | LPDDR3-1866 |
| Max. Memory | 4 GB | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 38.4 GB/s | Max. Bandwidth | 7.5 GB/s |
| Yes | ECC | No |
| 2.00 MB | L2 Cache | -- |
| -- | L3 Cache | -- |
| 3.0 | PCIe version | -- |
| 12 | PCIe lanes | -- |
| 11.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD RX-421BD is 35 W, while the Qualcomm Snapdragon 632 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD RX-421BD | Characteristic | Qualcomm Snapdragon 632 |
| 35 W | TDP (PL1 / PBP) | -- |
| -- | 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 Qualcomm Snapdragon 632 is manufactured in 14 nm and has a 0.00 MB cache. |
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| AMD RX-421BD | Characteristic | Qualcomm Snapdragon 632 |
| 28 nm | Technology | 14 nm |
| Unknown | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | ISA extensions | -- |
| FP4 | Socket | -- |
| AMD-V, AMD-Vt | Virtualization | None |
| Yes | AES-NI | No |
| Operating systems | Android | |
| Q4/2015 | Release date | Q3/2018 |
| -- | Release price | -- |
| show more data | show more data | |
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Rate these processors
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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Qualcomm Snapdragon 632
Qualcomm Adreno 506 @ 0.60 GHz |
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Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. 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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Qualcomm Snapdragon 632
8C 8T @ 1.80 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD RX-421BD
4C 4T @ 2.10 GHz |
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Qualcomm Snapdragon 632
8C 8T @ 1.80 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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AMD RX-421BD
4C 4T @ 3.40 GHz |
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Qualcomm Snapdragon 632
8C 8T @ 1.80 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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AMD RX-421BD
4C 4T @ 2.10 GHz |
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Qualcomm Snapdragon 632
8C 8T @ 1.80 GHz |
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AnTuTu 8 Benchmark
The AnTuTu 8 Benchmark measures the performance of a SoC. AnTuTu benchmarks the CPU, GPU, Memory as well as the UX (User Experience) by simulating browser and app usage. AnTuTu can benchmark any ARM CPU that runs under Android or iOS. Devices may not be directly compareable if the benchmark has been performed under different operating systems.
In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
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AMD RX-421BD
4C 4T @ 2.10 GHz |
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Qualcomm Snapdragon 632
8C 8T @ 1.80 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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AMD RX-421BD
4C 4T @ 2.10 GHz |
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Qualcomm Snapdragon 632
8C 8T @ 1.80 GHz |
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Devices using this processor |
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| AMD RX-421BD | Qualcomm Snapdragon 632 |
| Unknown | Unknown |
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