Intel Core i9-13900HK vs AMD RX-421ND
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CPU comparison with benchmarks
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| Intel Core i9-13900HK | AMD RX-421ND | |
CPU comparisonIntel Core i9-13900HK or AMD RX-421ND - 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 Intel Core i9-13900HK has 14 cores with 20 threads and clocks with a maximum frequency of 5.40 GHz. Up to 96 GB of memory is supported in 2 memory channels. The Intel Core i9-13900HK was released in Q1/2023. The AMD RX-421ND has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD RX-421ND was released in Q4/2015. |
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| Intel Core i9 (78) | Family | AMD R (6) |
| Intel Core i 13000H (26) | CPU group | AMD RX 1st Gen. (6) |
| 13 | Generation | 1 |
| Raptor Lake H | Architecture | Merlin Falcon (Excavator) |
| Mobile | Segment | Mobile |
| Intel Core i9-12900HK | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-13900HK is a 14 core processor with a clock frequency of 2.60 GHz (5.40 GHz). The AMD RX-421ND has 4 CPU cores with a clock frequency of 2.10 GHz (3.40 GHz). |
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| Intel Core i9-13900HK | Characteristic | AMD RX-421ND |
| 14 | Cores | 4 |
| 20 | Threads | 4 |
| hybrid (big.LITTLE) | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.60 GHz (5.40 GHz) 6x Raptor Cove |
A-Core | 2.10 GHz (3.40 GHz) |
| 1.90 GHz (4.10 GHz) 8x Gracemont |
B-Core | -- |
Internal GraphicsThe integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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| Intel Iris Xe Graphics 96 (Alder Lake) | GPU | no iGPU |
| 0.40 GHz | GPU frequency | -- |
| 1.50 GHz | GPU (Turbo) | -- |
| 13 | GPU Generation | -- |
| 10 nm | Technology | |
| 4 | Max. displays | |
| 96 | Compute units | -- |
| 768 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 32 GB | Max. GPU Memory | -- |
| 12.1 | 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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| Intel Iris Xe Graphics 96 (Alder Lake) | GPU | no iGPU |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| Decode / Encode | Codec VP9 | No |
| Decode | Codec VP8 | No |
| Decode | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Intel Core i9-13900HK supports a maximum of 96 GB of memory in 2 memory channels. The AMD RX-421ND can connect up to GB of memory in 2 memory channels. |
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| Intel Core i9-13900HK | Characteristic | AMD RX-421ND |
| LPDDR5-6400, LPDDR4X-4266, DDR5-5200, DDR4-3200 | Memory | DDR4-2400, DDR3-2133 |
| 96 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 102.4 GB/s | Max. Bandwidth | 38.4 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 2.00 MB |
| 24.00 MB | L3 Cache | -- |
| 5.0 | PCIe version | 3.0 |
| 20 | PCIe lanes | 12 |
| 78.8 GB/s | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i9-13900HK has a TDP of 45 W, that of the AMD RX-421ND is 35 W. |
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| Intel Core i9-13900HK | Characteristic | AMD RX-421ND |
| 45 W | TDP (PL1 / PBP) | 35 W |
| 115 W | TDP (PL2) | -- |
| -- | TDP up | -- |
| 35 W | TDP down | 12 W |
| 100 °C | Tjunction max. | 90 °C |
Technical detailsThe Intel Core i9-13900HK has a 24.00 MB cache, while the AMD RX-421ND cache has a total of 2.00 MB. |
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| Intel Core i9-13900HK | Characteristic | AMD RX-421ND |
| 10 nm | Technology | 28 nm |
| Monolithic | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX2+ | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
| BGA 1744 | Socket | FP4 |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, AMD-Vt |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | |
| Q1/2023 | Release date | Q4/2015 |
| 700 $ | Release price | -- |
| show more data | show more data | |
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Rate these processors
Cinebench 2024 (Single-Core)
The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
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Intel Core i9-13900HK
14C 20T @ 5.40 GHz |
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AMD RX-421ND
4C 4T @ 3.40 GHz |
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Cinebench 2024 (Multi-Core)
The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
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Intel Core i9-13900HK
14C 20T @ 5.40 GHz |
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AMD RX-421ND
4C 4T @ 3.40 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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Intel Core i9-13900HK
14C 20T @ 5.40 GHz |
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AMD RX-421ND
4C 4T @ 3.40 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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Intel Core i9-13900HK
14C 20T @ 5.00 GHz |
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AMD RX-421ND
4C 4T @ 2.10 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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Intel Core i9-13900HK
14C 20T @ 5.40 GHz |
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AMD RX-421ND
4C 4T @ 3.40 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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Intel Core i9-13900HK
14C 20T @ 5.00 GHz |
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AMD RX-421ND
4C 4T @ 2.10 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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Intel Core i9-13900HK
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.50 GHz |
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AMD RX-421ND
@ 0.00 GHz |
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Devices using this processor |
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| Intel Core i9-13900HK | AMD RX-421ND |
| Unknown | Unknown |
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