AMD Ryzen 7 3800XT | AMD RX-421ND | |
CPU comparisonAMD Ryzen 7 3800XT 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 AMD Ryzen 7 3800XT has 8 cores with 16 threads and clocks with a maximum frequency of 4.70 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 3800XT was released in Q2/2020. 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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AMD Ryzen 7 (70) | Family | AMD R (6) |
AMD Ryzen 3000 (15) | CPU group | AMD RX 1st Gen. (6) |
3 | Generation | 1 |
Matisse (Zen 2) | Architecture | Merlin Falcon (Excavator) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 3800XT has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 7 3800XT is 4.20 GHz (4.70 GHz) while the AMD RX-421ND has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD RX-421ND is at 2.10 GHz (3.40 GHz). |
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AMD Ryzen 7 3800XT | Characteristic | AMD RX-421ND |
8 | Cores | 4 |
16 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
Yes | Overclocking ? | No |
4.20 GHz | Frequency | 2.10 GHz |
4.70 GHz | Turbo Frequency (1 Core) | 3.40 GHz |
4.50 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD Ryzen 7 3800XT can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 51.2 GB/s. The AMD RX-421ND supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s. |
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AMD Ryzen 7 3800XT | Characteristic | AMD RX-421ND |
DDR4-3200 | Memory | DDR4-2400, DDR3-2133 |
128 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
51.2 GB/s | Max. Bandwidth | 38.4 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | 2.00 MB |
32.00 MB | L3 Cache | -- |
4.0 | PCIe version | 3.0 |
20 | PCIe lanes | 12 |
39.4 GB/s | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 7 3800XT is 105 W, while the AMD RX-421ND has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Ryzen 7 3800XT | Characteristic | AMD RX-421ND |
105 W | TDP (PL1 / PBP) | 35 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 12 W |
95 °C | Tjunction max. | 90 °C |
Technical detailsThe AMD Ryzen 7 3800XT is manufactured in 7 nm and has 32.00 MB cache. The AMD RX-421ND is manufactured in 28 nm and has a 2.00 MB cache. |
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AMD Ryzen 7 3800XT | Characteristic | AMD RX-421ND |
7 nm | Technology | 28 nm |
Chiplet | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
AM4 (PGA 1331) | Socket | FP4 |
AMD-V, SVM | Virtualization | AMD-V, AMD-Vt |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | |
Q2/2020 | Release date | Q4/2015 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
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AMD RX-421ND
4C 4T @ 3.40 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
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AMD RX-421ND
4C 4T @ 3.40 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
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AMD RX-421ND
4C 4T @ 3.40 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
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AMD RX-421ND
4C 4T @ 2.10 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
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AMD RX-421ND
4C 4T @ 3.40 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
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AMD RX-421ND
4C 4T @ 2.10 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
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AMD RX-421ND
4C 4T @ 3.40 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
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AMD RX-421ND
4C 4T @ 2.10 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
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AMD RX-421ND
4C 4T @ 3.40 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
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AMD RX-421ND
4C 4T @ 2.10 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
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AMD RX-421ND
4C 4T @ 2.10 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
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AMD RX-421ND
4C 4T @ 2.10 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.20 GHz |
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AMD RX-421ND
4C 4T @ 2.10 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
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AMD RX-421ND
4C 4T @ 3.40 GHz |
AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
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AMD RX-421ND
4C 4T @ 2.10 GHz |
Devices using this processor |
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AMD Ryzen 7 3800XT | AMD RX-421ND |
Unknown | Unknown |