AMD RX-421BD | MediaTek Helio P23 | |
CPU comparisonAMD RX-421BD or MediaTek Helio P23 - 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 MediaTek Helio P23 has 8 cores with 8 threads and clocks with a maximum frequency of 2.50 GHz. The CPU supports up to 6 GB of memory in 2 memory channels. The MediaTek Helio P23 was released in Q3/2017. |
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AMD R (6) | Family | Mediatek Helio (37) |
AMD RX 1st Gen. (6) | CPU group | MediaTek Helio P20/P30 (4) |
1 | Generation | 2 |
Merlin Falcon (Excavator) | Architecture | Cortex-A53 |
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 MediaTek Helio P23 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the MediaTek Helio P23 is at 2.50 GHz. |
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AMD RX-421BD | Characteristic | MediaTek Helio P23 |
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 | 2.50 GHz 4x Cortex-A53 |
-- | B-Core | 1.65 GHz 4x Cortex-A53 |
Internal GraphicsThe AMD RX-421BD or MediaTek Helio P23 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 | ARM Mali-G71 MP2 |
0.80 GHz | GPU frequency | 0.77 GHz |
-- | GPU (Turbo) | -- |
3 | GPU Generation | Bifrost 1 |
28 | Technology | 16 nm |
3 | Max. displays | 1 |
8 | Compute units | 2 |
512 | Shader | 32 |
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 | ARM Mali-G71 MP2 |
Decode | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode |
Decode / Encode | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | No |
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 MediaTek Helio P23 supports up to 6 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 12.8 GB/s. |
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AMD RX-421BD | Characteristic | MediaTek Helio P23 |
DDR4-2400, DDR3-2133 | Memory | LPDDR4X-1600, LPDDR3-933 |
Max. Memory | 6 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
38.4 GB/s | Max. Bandwidth | 12.8 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 MediaTek Helio P23 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 | MediaTek Helio P23 |
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 MediaTek Helio P23 is manufactured in 16 nm and has a 0.00 MB cache. |
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AMD RX-421BD | Characteristic | MediaTek Helio P23 |
28 nm | Technology | 16 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 | Q3/2017 |
-- | Release price | -- |
show more data | show more data | |
AMD RX-421BD
AMD Radeon R7 - 512 (Merlin Falcon) @ 0.80 GHz |
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MediaTek Helio P23
ARM Mali-G71 MP2 @ 0.77 GHz |
AMD RX-421BD
4C 4T @ 3.40 GHz |
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MediaTek Helio P23
8C 8T @ 2.50 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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MediaTek Helio P23
8C 8T @ 2.50 GHz |
AMD RX-421BD
4C 4T @ 3.40 GHz |
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MediaTek Helio P23
8C 8T @ 2.50 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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MediaTek Helio P23
8C 8T @ 2.50 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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MediaTek Helio P23
8C 8T @ 2.50 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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MediaTek Helio P23
8C 8T @ 2.50 GHz |
AMD RX-421BD
4C 4T @ 2.10 GHz |
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MediaTek Helio P23
8C 8T @ 2.50 GHz |
Devices using this processor |
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AMD RX-421BD | MediaTek Helio P23 |
Unknown | Unknown |