AMD Ryzen 9 3900XT | Qualcomm Snapdragon 8 Gen 3 | |
CPU comparisonAMD Ryzen 9 3900XT or Qualcomm Snapdragon 8 Gen 3 - 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 9 3900XT has 12 cores with 24 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 9 3900XT was released in Q2/2020. The Qualcomm Snapdragon 8 Gen 3 has 8 cores with 8 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to 24 GB of memory in 4 memory channels. The Qualcomm Snapdragon 8 Gen 3 was released in Q4/2023. |
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AMD Ryzen 9 (40) | Family | Qualcomm Snapdragon (104) |
AMD Ryzen 3000 (15) | CPU group | Qualcomm Snapdragon 8 Gen 3 (2) |
3 | Generation | 3 |
Matisse (Zen 2) | Architecture | -- |
Desktop / Server | Segment | Mobile |
-- | Predecessor | Qualcomm Snapdragon 8 Gen 2 |
AMD Ryzen 9 5900XT | Successor | Qualcomm Snapdragon 8 Gen 4 |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 3900XT is a 12 core processor with a clock frequency of 4.10 GHz (4.70 GHz). The Qualcomm Snapdragon 8 Gen 3 has 8 CPU cores with a clock frequency of 3.40 GHz. |
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AMD Ryzen 9 3900XT | Characteristic | Qualcomm Snapdragon 8 Gen 3 |
12 | Cores | 8 |
24 | Threads | 8 |
normal | Core architecture | hybrid (Prime / big.LITTLE) |
Yes | Hyperthreading | No |
Yes | Overclocking ? | No |
4.10 GHz (4.70 GHz) | A-Core | 3.40 GHz 1x Cortex-X4 |
-- | B-Core | 2.96 GHz (3.15 GHz) 5x Cortex-A720 |
-- | C-Core | 2.27 GHz 2x Cortex-A520 |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
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AMD Ryzen 9 3900XT | Characteristic | Qualcomm Snapdragon 8 Gen 3 |
-- | AI hardware | Qualcomm AI engine |
-- | AI specifications | Hexagon NPU @ 34 TOPS |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The 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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no iGPU | GPU | Qualcomm Adreno 750 |
GPU frequency | 0.90 GHz | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | -- |
Technology | 4 nm | |
Max. displays | 2 | |
-- | Compute units | -- |
-- | Shader | -- |
No | Hardware Raytracing | Yes |
No | Frame Generation | No |
-- | Max. GPU Memory | 6 GB |
-- | DirectX Version | 12.1 |
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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no iGPU | GPU | Qualcomm Adreno 750 |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | Decode |
No | Codec AVC | Decode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Ryzen 9 3900XT supports a maximum of 128 GB of memory in 2 memory channels. The Qualcomm Snapdragon 8 Gen 3 can connect up to 24 GB of memory in 4 memory channels. |
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AMD Ryzen 9 3900XT | Characteristic | Qualcomm Snapdragon 8 Gen 3 |
DDR4-3200 | Memory | LPDDR5X-9600 |
128 GB | Max. Memory | 24 GB |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
51.2 GB/s | Max. Bandwidth | 76.6 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
64.00 MB | L3 Cache | 12.00 MB |
4.0 | PCIe version | -- |
20 | PCIe lanes | -- |
39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 9 3900XT has a TDP of 105 W, that of the Qualcomm Snapdragon 8 Gen 3 is 12.5 W. |
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AMD Ryzen 9 3900XT | Characteristic | Qualcomm Snapdragon 8 Gen 3 |
105 W | TDP (PL1 / PBP) | 12.5 W |
142 W | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 9 3900XT has a 64.00 MB cache, while the Qualcomm Snapdragon 8 Gen 3 cache has a total of 12.00 MB. |
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AMD Ryzen 9 3900XT | Characteristic | Qualcomm Snapdragon 8 Gen 3 |
7 nm | Technology | 4 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv9-A (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | -- |
AM4 (PGA 1331) | Socket | -- |
AMD-V, SVM | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Android, Windows 10/11 (ARM) |
Q2/2020 | Release date | Q4/2023 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
@ 0.00 GHz |
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Qualcomm Snapdragon 8 Gen 3
Qualcomm Adreno 750 @ 0.90 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.10 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.10 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.10 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
AMD Ryzen 9 3900XT
12C 24T @ 4.10 GHz |
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Qualcomm Snapdragon 8 Gen 3
8C 8T @ 3.40 GHz |
Devices using this processor |
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AMD Ryzen 9 3900XT | Qualcomm Snapdragon 8 Gen 3 |
Unknown | Xiaomi 14 Xiaomi 14 Pro ASUS ROG Phone 8 Pro Samsung S24 Ultra |