AMD RX-421BD vs AMD A8-5500B
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CPU comparison with benchmarks
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| AMD RX-421BD | AMD A8-5500B | |
CPU comparisonAMD RX-421BD or AMD A8-5500B - 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 AMD A8-5500B has 4 cores with 4 threads and clocks with a maximum frequency of 3.70 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A8-5500B was released in Q4/2012. |
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| AMD R (6) | Family | AMD A (112) |
| AMD RX 1st Gen. (6) | CPU group | AMD A8-5000 (3) |
| 1 | Generation | 2 |
| Merlin Falcon (Excavator) | Architecture | Trinity (Piledriver) |
| 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 AMD A8-5500B has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD A8-5500B is at 3.20 GHz (3.70 GHz). |
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| AMD RX-421BD | Characteristic | AMD A8-5500B |
| 4 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.10 GHz | Frequency | 3.20 GHz |
| 3.40 GHz | Turbo Frequency (1 Core) | 3.70 GHz |
| -- | Turbo Frequency (All Cores) | 3.70 GHz |
Integrated graphics (iGPU)The AMD RX-421BD or AMD A8-5500B 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 | AMD Radeon HD 7560D |
| 0.80 GHz | GPU frequency | 0.76 GHz |
| -- | GPU (Turbo) | -- |
| 3 | GPU Generation | 4 |
| 28 | Technology | 32 nm |
| 3 | Max. displays | 2 |
| 8 | Compute units | 4 |
| 512 | Shader | 256 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | 2 GB |
| 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 | AMD Radeon HD 7560D |
| Decode | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | Decode |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | Decode |
| 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 AMD A8-5500B supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 29.9 GB/s. |
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| AMD RX-421BD | Characteristic | AMD A8-5500B |
| DDR4-2400, DDR3-2133 | Memory | DDR3-1866 |
| Max. Memory | ||
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 38.4 GB/s | Max. Bandwidth | 29.9 GB/s |
| Yes | ECC | No |
| 2.00 MB | L2 Cache | -- |
| -- | L3 Cache | 4.00 MB |
| 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 AMD A8-5500B has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD RX-421BD | Characteristic | AMD A8-5500B |
| 35 W | TDP (PL1 / PBP) | 65 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 AMD A8-5500B is manufactured in 32 nm and has a 4.00 MB cache. |
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| AMD RX-421BD | Characteristic | AMD A8-5500B |
| 28 nm | Technology | 32 nm |
| Unknown | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
| FP4 | Socket | FM2 |
| AMD-V, AMD-Vt | Virtualization | AMD-V |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Linux | |
| Q4/2015 | Release date | Q4/2012 |
| -- | 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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AMD A8-5500B
AMD Radeon HD 7560D @ 0.76 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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AMD A8-5500B
4C 4T @ 3.70 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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AMD A8-5500B
4C 4T @ 3.70 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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AMD A8-5500B
4C 4T @ 3.70 GHz |
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Devices using this processor |
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| AMD RX-421BD | AMD A8-5500B |
| Unknown | Unknown |
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