Qualcomm Snapdragon X Elite (X1E-78-100) vs AMD Ryzen 7 7840U
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CPU comparison with benchmarks
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| Qualcomm Snapdragon X Elite (X1E-78-100) | AMD Ryzen 7 7840U | |
CPU comparisonQualcomm Snapdragon X Elite (X1E-78-100) or AMD Ryzen 7 7840U - 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 7 7840U has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 7 7840U was released in Q2/2023. |
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| Qualcomm Snapdragon X Elite (4) | Family | AMD Ryzen 7 (70) |
| Qualcomm Snapdragon X Elite (4) | CPU group | AMD Ryzen 7040 (21) |
| 1 | Generation | 6 |
| Oryon | Architecture | Phoenix (Zen 4) |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | AMD Ryzen 7 8840U |
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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 7 7840U has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 7 7840U is at 3.30 GHz (5.10 GHz). |
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| Qualcomm Snapdragon X Elite (X1E-78-100) | Characteristic | AMD Ryzen 7 7840U |
| 12 | Cores | 8 |
| 12 | Threads | 16 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.00 GHz | Frequency | 3.30 GHz |
| 3.40 GHz | Turbo Frequency (1 Core) | 5.10 GHz |
| 3.40 GHz | Turbo Frequency (All Cores) | -- |
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 7 7840U |
| Qualcomm AI engine | AI hardware | AMD Ryzen AI |
| Qualcomm Hexagon NPU @ 45 TOPS | AI specifications | AMD dedicated AI XDNA Technology |
Integrated graphics (iGPU)The Qualcomm Snapdragon X Elite (X1E-78-100) or AMD Ryzen 7 7840U 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 | AMD Radeon 780M |
| 1.00 GHz | GPU frequency | 0.80 GHz |
| -- | GPU (Turbo) | 2.70 GHz |
| -- | GPU Generation | 3 |
| 4 nm | Technology | 4 nm |
| 4 | Max. displays | 4 |
| -- | Compute units | 12 |
| -- | Shader | 768 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | AMD FSR |
| -- | Max. GPU Memory | 32 GB |
| 12.2 | DirectX Version | 12 |
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 | AMD Radeon 780M |
| Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
| Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode | Codec VP9 | Decode |
| Decode | Codec VP8 | Decode |
| Decode / Encode | Codec AV1 | Decode / Encode |
| Decode / Encode | Codec AVC | Decode |
| Decode / Encode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
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 7 7840U supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s. |
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| Qualcomm Snapdragon X Elite (X1E-78-100) | Characteristic | AMD Ryzen 7 7840U |
| LPDDR5X-8448 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
| 64 GB | Max. Memory | 256 GB |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 133.9 GB/s | Max. Bandwidth | 120.0 GB/s |
| No | ECC | Yes |
| 42.00 MB | L2 Cache | 8.00 MB |
| -- | L3 Cache | 16.00 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 7 7840U has a TDP of 28 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 7 7840U |
| 23 W | TDP (PL1 / PBP) | 28 W |
| -- | TDP (PL2) | -- |
| 80 W | TDP up | 30 W |
| 12 W | TDP down | 15 W |
| -- | Tjunction max. | 100 °C |
Technical detailsThe Qualcomm Snapdragon X Elite (X1E-78-100) is manufactured in 4 nm and has 42.00 MB cache. The AMD Ryzen 7 7840U is manufactured in 4 nm and has a 24.00 MB cache. |
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| Qualcomm Snapdragon X Elite (X1E-78-100) | Characteristic | AMD Ryzen 7 7840U |
| 4 nm | Technology | 4 nm |
| Chiplet | Chip design | Monolithic |
| Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
| -- | Socket | FP8 |
| 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 | Q2/2023 |
| -- | Release price | -- |
| show more data | show more data | |
12C 12T @ 1.00 GHz (3.40 GHz) buy now on Amazon and save!
8C 16T @ 3.30 GHz (5.10 GHz) buy now on Amazon and save!
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Rate these processors
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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Qualcomm Snapdragon X Elite (X1E-78-100)
Qualcomm Adreno X Elite/Plus @ 1.00 GHz |
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AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz |
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AI performance (NPU)
The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.
Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
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Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 1.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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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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Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 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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Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 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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Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 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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Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 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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Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 5.10 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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Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 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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Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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CPU-Z Benchmark 17 (Single-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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Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 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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Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 1.00 GHz |
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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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CPU performance per watt (efficiency)
Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
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Qualcomm Snapdragon X Elite (X1E-78-100)
1.00 GHz |
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AMD Ryzen 7 7840U
13,450 CB R23 MC @ 30 W |
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Devices using this processor |
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| Qualcomm Snapdragon X Elite (X1E-78-100) | AMD Ryzen 7 7840U |
| Microsoft Surface Laptop 7 | AOKZOE A1 Pro |
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