AMD Ryzen 7 7840U vs Samsung Exynos 7578
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CPU comparison with benchmarks
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| AMD Ryzen 7 7840U | Samsung Exynos 7578 | |
CPU comparisonAMD Ryzen 7 7840U or Samsung Exynos 7578 - 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 7840U has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 7840U was released in Q2/2023. The Samsung Exynos 7578 has 4 cores with 4 threads and clocks with a maximum frequency of 1.50 GHz. The CPU supports up to GB of memory in 0 memory channels. The Samsung Exynos 7578 was released in Q2/2015. |
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| AMD Ryzen 7 (68) | Family | Samsung Exynos (47) |
| AMD Ryzen 7040 (21) | CPU group | Samsung Exynos 7578/7580 (2) |
| 6 | Generation | 1 |
| Phoenix (Zen 4) | Architecture | Cortex-A53 |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| AMD Ryzen 7 8840U | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 7840U is a 8 core processor with a clock frequency of 3.30 GHz (5.10 GHz). The Samsung Exynos 7578 has 4 CPU cores with a clock frequency of 1.50 GHz. |
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| AMD Ryzen 7 7840U | Characteristic | Samsung Exynos 7578 |
| 8 | Cores | 4 |
| 16 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 3.30 GHz | Frequency | 1.50 GHz |
| 5.10 GHz | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Artificial Intelligence and Machine LearningProcessors 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. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor. |
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| AMD Ryzen 7 7840U | Characteristic | Samsung Exynos 7578 |
| AMD Ryzen AI | AI hardware | -- |
| AMD dedicated AI XDNA Technology | AI specifications | -- |
Internal GraphicsThe 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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| AMD Radeon 780M | GPU | ARM Mali-T720 MP2 |
| 0.80 GHz | GPU frequency | 0.65 GHz |
| 2.70 GHz | GPU (Turbo) | 0.65 GHz |
| 3 | GPU Generation | Midgard 3 |
| 4 nm | Technology | 28nm |
| 4 | Max. displays | 2 |
| 12 | Compute units | 2 |
| 768 | Shader | 32 |
| Yes | Hardware Raytracing | No |
| AMD FSR | Frame Generation | No |
| 32 GB | Max. GPU Memory | -- |
| 12 | DirectX Version | 11 |
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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| AMD Radeon 780M | GPU | ARM Mali-T720 MP2 |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode | Codec VP9 | No |
| Decode | Codec VP8 | Decode / Encode |
| Decode / Encode | Codec AV1 | No |
| Decode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD Ryzen 7 7840U supports a maximum of 256 GB of memory in 2 memory channels. The Samsung Exynos 7578 can connect up to GB of memory in 0 memory channels. |
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| AMD Ryzen 7 7840U | Characteristic | Samsung Exynos 7578 |
| DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | LPDDR3-1066 |
| 256 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 0 |
| 120.0 GB/s | Max. Bandwidth | -- |
| Yes | ECC | No |
| 8.00 MB | L2 Cache | -- |
| 16.00 MB | L3 Cache | -- |
| 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 7 7840U has a TDP of 28 W, that of the Samsung Exynos 7578 is --. |
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| AMD Ryzen 7 7840U | Characteristic | Samsung Exynos 7578 |
| 28 W | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| 30 W | TDP up | -- |
| 15 W | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 7 7840U has a 24.00 MB cache, while the Samsung Exynos 7578 cache has a total of 0.00 MB. |
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| AMD Ryzen 7 7840U | Characteristic | Samsung Exynos 7578 |
| 4 nm | Technology | 28 nm |
| Monolithic | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
| SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | -- |
| FP8 | Socket | -- |
| AMD-V, SVM | Virtualization | None |
| Yes | AES-NI | No |
| Windows 10, Windows 11, Linux | Operating systems | Android |
| Q2/2023 | Release date | Q2/2015 |
| -- | Release price | -- |
| show more data | show more data | |
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4C 4T @ 1.50 GHz buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Samsung Exynos 7578
4C 4T @ 1.50 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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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Samsung Exynos 7578
4C 4T @ 1.50 GHz |
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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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AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz |
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Samsung Exynos 7578
ARM Mali-T720 MP2 @ 0.65 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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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Samsung Exynos 7578
4C 4T @ 1.50 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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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Samsung Exynos 7578
4C 4T @ 1.50 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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AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Samsung Exynos 7578
4C 4T @ 1.50 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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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Samsung Exynos 7578
4C 4T @ 1.50 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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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Samsung Exynos 7578
4C 4T @ 1.50 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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AMD Ryzen 7 7840U
13,450 CB R23 MC @ 30 W |
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Samsung Exynos 7578
1.50 GHz |
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Performance for Artificial Intelligence (AI) and Machine Learning (ML)
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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AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Samsung Exynos 7578
4C 4T @ 1.50 GHz |
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Devices using this processor |
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| AMD Ryzen 7 7840U | Samsung Exynos 7578 |
| AOKZOE A1 Pro | Unknown |
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