AMD RX-421BD vs Intel Core i5-8500T
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CPU comparison with benchmarks
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| AMD RX-421BD | Intel Core i5-8500T | |
CPU comparisonAMD RX-421BD or Intel Core i5-8500T - 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 Core i5-8500T has 6 cores with 6 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i5-8500T was released in Q2/2018. |
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| AMD R (6) | Family | Intel Core i5 (331) |
| AMD RX 1st Gen. (6) | CPU group | Intel Core i 8000 (20) |
| 1 | Generation | 8 |
| Merlin Falcon (Excavator) | Architecture | Coffee Lake S |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | Intel Core i5-7500T |
| -- | Successor | Intel Core i5-9500T |
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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 Core i5-8500T has 6 CPU cores and 6 threads can calculate simultaneously. The clock frequency of the Intel Core i5-8500T is at 2.10 GHz (3.50 GHz). |
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| AMD RX-421BD | Characteristic | Intel Core i5-8500T |
| 4 | Cores | 6 |
| 4 | Threads | 6 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | Yes |
| 2.10 GHz | Frequency | 2.10 GHz |
| 3.40 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
| -- | Turbo Frequency (All Cores) | 3.00 GHz |
Integrated graphics (iGPU)The AMD RX-421BD or Intel Core i5-8500T 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 | Intel UHD Graphics 630 |
| 0.80 GHz | GPU frequency | 0.35 GHz |
| -- | GPU (Turbo) | 1.15 GHz |
| 3 | GPU Generation | 9.5 |
| 28 | Technology | 14 nm |
| 3 | Max. displays | 3 |
| 8 | Compute units | 24 |
| 512 | Shader | 192 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | 64 GB |
| 12 | 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. |
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| AMD Radeon R7 - 512 (Merlin Falcon) | GPU | Intel UHD Graphics 630 |
| Decode | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode / Encode | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode / Encode |
| No | Codec VP8 | Decode / Encode |
| No | Codec AV1 | No |
| No | Codec AVC | Decode / Encode |
| 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 Intel Core i5-8500T supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 42.7 GB/s. |
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| AMD RX-421BD | Characteristic | Intel Core i5-8500T |
| DDR4-2400, DDR3-2133 | Memory | DDR4-2666 |
| Max. Memory | 128 GB | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 38.4 GB/s | Max. Bandwidth | 42.7 GB/s |
| Yes | ECC | No |
| 2.00 MB | L2 Cache | -- |
| -- | L3 Cache | 9.00 MB |
| 3.0 | PCIe version | 3.0 |
| 12 | PCIe lanes | 16 |
| 11.8 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD RX-421BD is 35 W, while the Intel Core i5-8500T has a TDP of 95 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 Core i5-8500T |
| 35 W | TDP (PL1 / PBP) | 95 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 Core i5-8500T is manufactured in 14 nm and has a 9.00 MB cache. |
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| AMD RX-421BD | Characteristic | Intel Core i5-8500T |
| 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 |
| FP4 | Socket | LGA 1151-2 |
| AMD-V, AMD-Vt | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Windows 11, Linux | |
| Q4/2015 | Release date | Q2/2018 |
| -- | Release price | 275 $ |
| 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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Intel Core i5-8500T
Intel UHD Graphics 630 @ 1.15 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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Intel Core i5-8500T
6C 6T @ 3.50 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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Intel Core i5-8500T
6C 6T @ 3.00 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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Intel Core i5-8500T
6C 6T @ 3.50 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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Intel Core i5-8500T
6C 6T @ 3.00 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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Intel Core i5-8500T
6C 6T @ 3.00 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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AMD RX-421BD
4C 4T @ 2.10 GHz |
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Intel Core i5-8500T
6C 6T @ 2.10 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 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 Core i5-8500T
6C 6T @ 3.50 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. 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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Intel Core i5-8500T
6C 6T @ 3.00 GHz |
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Devices using this processor |
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| AMD RX-421BD | Intel Core i5-8500T |
| Unknown | Unknown |
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