Intel Core i9-10900X vs AMD Ryzen 9 3900XT
Last updated:
CPU comparison with benchmarks
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| Intel Core i9-10900X | AMD Ryzen 9 3900XT | |
CPU comparisonIntel Core i9-10900X or AMD Ryzen 9 3900XT - 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 i9-10900X has 10 cores with 20 threads and clocks with a maximum frequency of 4.70 GHz. Up to 256 GB of memory is supported in 4 memory channels. The Intel Core i9-10900X was released in Q4/2019. The AMD Ryzen 9 3900XT has 12 cores with 24 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 3900XT was released in Q2/2020. |
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| Intel Core i9 (78) | Family | AMD Ryzen 9 (35) |
| Intel Core i 10000X (4) | CPU group | AMD Ryzen 3000 (15) |
| 10 | Generation | 3 |
| Cascade Lake | Architecture | Matisse (Zen 2) |
| Desktop / Server | Segment | Desktop / Server |
| Intel Core i9-9900X | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-10900X has 10 CPU cores and can calculate 20 threads in parallel. The clock frequency of the Intel Core i9-10900X is 3.70 GHz (4.70 GHz) while the AMD Ryzen 9 3900XT has 12 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 3900XT is at 4.10 GHz (4.70 GHz). |
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| Intel Core i9-10900X | Characteristic | AMD Ryzen 9 3900XT |
| 10 | Cores | 12 |
| 20 | Threads | 24 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| Yes | Overclocking ? | Yes |
| 3.70 GHz | Frequency | 4.10 GHz |
| 4.70 GHz | Turbo Frequency (1 Core) | 4.70 GHz |
| 4.50 GHz | Turbo Frequency (All Cores) | 4.60 GHz |
Memory & PCIeThe Intel Core i9-10900X can use up to 256 GB of memory in 4 memory channels. The maximum memory bandwidth is 93.8 GB/s. The AMD Ryzen 9 3900XT supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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| Intel Core i9-10900X | Characteristic | AMD Ryzen 9 3900XT |
| DDR4-2933 | Memory | DDR4-3200 |
| 256 GB | Max. Memory | 128 GB |
| 4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
| 93.8 GB/s | Max. Bandwidth | 51.2 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 19.25 MB | L3 Cache | 64.00 MB |
| 3.0 | PCIe version | 4.0 |
| 48 | PCIe lanes | 20 |
| 47.3 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i9-10900X is 165 W, while the AMD Ryzen 9 3900XT has a TDP of 105 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core i9-10900X | Characteristic | AMD Ryzen 9 3900XT |
| 165 W | TDP (PL1 / PBP) | 105 W |
| -- | TDP (PL2) | 142 W |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 94 °C | Tjunction max. | 95 °C |
Technical detailsThe Intel Core i9-10900X is manufactured in 14 nm and has 19.25 MB cache. The AMD Ryzen 9 3900XT is manufactured in 7 nm and has a 64.00 MB cache. |
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| Intel Core i9-10900X | Characteristic | AMD Ryzen 9 3900XT |
| 14 nm | Technology | 7 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| LGA 2066 | Socket | AM4 (PGA 1331) |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q4/2019 | Release date | Q2/2020 |
| 590 $ | Release price | -- |
| show more data | show more data | |
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10C 20T @ 3.70 GHz (4.70 GHz) buy now on Amazon and save!
12C 24T @ 4.10 GHz (4.70 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 4 CPU benchmarks
⌀ Multi core performance in 6 CPU benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 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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Intel Core i9-10900X
10C 20T @ 4.70 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz |
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Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 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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Intel Core i9-10900X
10C 20T @ 4.50 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.60 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 i9-10900X
10C 20T @ 4.70 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.70 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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Intel Core i9-10900X
10C 20T @ 4.50 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.60 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 i9-10900X
10C 20T @ 4.70 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.70 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 i9-10900X
10C 20T @ 4.50 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.60 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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Intel Core i9-10900X
10C 20T @ 4.50 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.60 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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Intel Core i9-10900X
10C 20T @ 3.70 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.10 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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Intel Core i9-10900X
10C 20T @ 4.70 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.70 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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Intel Core i9-10900X
10C 20T @ 4.50 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz |
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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 i9-10900X
10C 20T @ 4.70 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.70 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 i9-10900X
10C 20T @ 4.70 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 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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Intel Core i9-10900X
10C 20T @ 4.70 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 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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Intel Core i9-10900X
10C 20T @ 4.50 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz |
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Blender 2.81 (bmw27)
Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
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Intel Core i9-10900X
10C 20T @ 4.50 GHz |
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AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz |
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Devices using this processor |
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| Intel Core i9-10900X | AMD Ryzen 9 3900XT |
| Unknown | Unknown |
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