Qualcomm Snapdragon X Elite (X1E-78-100) | AMD Ryzen 9 3900X | |
CPU comparisonQualcomm Snapdragon X Elite (X1E-78-100) or AMD Ryzen 9 3900X - 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 Qualcomm Snapdragon X Elite (X1E-78-100) has 12 cores with 12 threads and clocks with a maximum frequency of 3.40 GHz. Up to 64 GB of memory is supported in 8 memory channels. The Qualcomm Snapdragon X Elite (X1E-78-100) was released in Q2/2024. The AMD Ryzen 9 3900X has 12 cores with 24 threads and clocks with a maximum frequency of 4.60 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 3900X was released in Q3/2019. |
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Qualcomm Snapdragon X Elite (4) | Family | AMD Ryzen 9 (40) |
Qualcomm Snapdragon X Elite (4) | CPU group | AMD Ryzen 3000 (15) |
1 | Generation | 3 |
Oryon | Architecture | Matisse (Zen 2) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | AMD Ryzen 9 5900X |
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CPU Cores and Base FrequencyThe Qualcomm Snapdragon X Elite (X1E-78-100) has 12 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Qualcomm Snapdragon X Elite (X1E-78-100) is 1.00 GHz (3.40 GHz) while the AMD Ryzen 9 3900X has 12 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 3900X is at 3.80 GHz (4.60 GHz). |
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Qualcomm Snapdragon X Elite (X1E-78-100) | Characteristic | AMD Ryzen 9 3900X |
12 | Cores | 12 |
12 | Threads | 24 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
1.00 GHz | Frequency | 3.80 GHz |
3.40 GHz | Turbo Frequency (1 Core) | 4.60 GHz |
3.40 GHz | Turbo Frequency (All Cores) | 4.00 GHz |
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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Qualcomm Snapdragon X Elite (X1E-78-100) | Characteristic | AMD Ryzen 9 3900X |
Qualcomm AI engine | AI hardware | -- |
Qualcomm Hexagon NPU @ 45 TOPS | AI specifications | -- |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Qualcomm Snapdragon X Elite (X1E-78-100) or AMD Ryzen 9 3900X 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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Qualcomm Adreno X Elite/Plus | GPU | no iGPU |
1.00 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
-- | GPU Generation | -- |
4 nm | Technology | |
4 | Max. displays | |
-- | Compute units | -- |
-- | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | -- |
12.2 | 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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Qualcomm Adreno X Elite/Plus | 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 | Codec VP9 | No |
Decode | Codec VP8 | No |
Decode / Encode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode / Encode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Qualcomm Snapdragon X Elite (X1E-78-100) can use up to 64 GB of memory in 8 memory channels. The maximum memory bandwidth is 133.9 GB/s. The AMD Ryzen 9 3900X 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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Qualcomm Snapdragon X Elite (X1E-78-100) | Characteristic | AMD Ryzen 9 3900X |
LPDDR5X-8448 | Memory | DDR4-3200 |
64 GB | Max. Memory | 128 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
133.9 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
42.00 MB | L2 Cache | 6.00 MB |
-- | L3 Cache | 64.00 MB |
4.0 | PCIe version | 4.0 |
-- | PCIe lanes | 20 |
-- | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Qualcomm Snapdragon X Elite (X1E-78-100) is 23 W, while the AMD Ryzen 9 3900X 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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Qualcomm Snapdragon X Elite (X1E-78-100) | Characteristic | AMD Ryzen 9 3900X |
23 W | TDP (PL1 / PBP) | 105 W |
-- | TDP (PL2) | 142 W |
80 W | TDP up | -- |
12 W | TDP down | -- |
-- | Tjunction max. | 95 °C |
Technical detailsThe Qualcomm Snapdragon X Elite (X1E-78-100) is manufactured in 4 nm and has 42.00 MB cache. The AMD Ryzen 9 3900X is manufactured in 7 nm and has a 70.00 MB cache. |
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Qualcomm Snapdragon X Elite (X1E-78-100) | Characteristic | AMD Ryzen 9 3900X |
4 nm | Technology | 7 nm |
Chiplet | Chip design | Chiplet |
Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
-- | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
-- | Socket | AM4 (PGA 1331) |
None | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10/11 (ARM), Linux | Operating systems | Windows 10, Windows 11, Linux |
Q2/2024 | Release date | Q3/2019 |
-- | Release price | 485 $ |
show more data | show more data | |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 1.00 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 3.80 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
Qualcomm Adreno X Elite/Plus @ 1.00 GHz |
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AMD Ryzen 9 3900X
@ 0.00 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.60 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 4.00 GHz |
Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 1.00 GHz |
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AMD Ryzen 9 3900X
12C 24T @ 3.80 GHz |
Devices using this processor |
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Qualcomm Snapdragon X Elite (X1E-78-100) | AMD Ryzen 9 3900X |
Microsoft Surface Laptop 7 | Unknown |