Qualcomm Snapdragon 778G+ vs Intel Core 2 Quad Q8400s
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 778G+ | Intel Core 2 Quad Q8400s | |
CPU comparisonQualcomm Snapdragon 778G+ or Intel Core 2 Quad Q8400s - 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 778G+ has 8 cores with 8 threads and clocks with a maximum frequency of 2.50 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Qualcomm Snapdragon 778G+ was released in Q4/2021. The Intel Core 2 Quad Q8400s has 4 cores with 4 threads and clocks with a maximum frequency of 2.66 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core 2 Quad Q8400s was released in Q2/2009. |
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| Qualcomm Snapdragon (104) | Family | Intel Core2 Quad (19) |
| Qualcomm Snapdragon 778 (2) | CPU group | Intel Core 2 Quad Q8000/Q9000 (16) |
| 4 | Generation | 2 |
| Kryo 670 | Architecture | Yorkfield (Penryn) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Qualcomm Snapdragon 778G+ has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Qualcomm Snapdragon 778G+ is 2.50 GHz while the Intel Core 2 Quad Q8400s has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core 2 Quad Q8400s is at 2.66 GHz. |
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| Qualcomm Snapdragon 778G+ | Characteristic | Intel Core 2 Quad Q8400s |
| 8 | Cores | 4 |
| 8 | Threads | 4 |
| hybrid (Prime / big.LITTLE) | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.50 GHz 1x Kryo 670 Prime |
A-Core | 2.66 GHz |
| 2.20 GHz 3x Kryo 670 Gold |
B-Core | -- |
| 1.90 GHz 4x Kryo 670 Silver |
C-Core | -- |
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 778G+ | Characteristic | Intel Core 2 Quad Q8400s |
| Qualcomm AI engine | AI hardware | -- |
| Hexagon 770 @ 12 TOPS | AI specifications | -- |
| -- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Qualcomm Snapdragon 778G+ or Intel Core 2 Quad Q8400s 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 642L | GPU | no iGPU |
| GPU frequency | -- | |
| -- | GPU (Turbo) | -- |
| 5 | GPU Generation | -- |
| 6 nm | Technology | |
| 1 | Max. displays | |
| 4 | Compute units | -- |
| 384 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 4 GB | Max. GPU Memory | -- |
| 12.0 | 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 642L | GPU | no iGPU |
| Decode | Codec h265 / HEVC (8 bit) | No |
| Decode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| Decode | Codec VP9 | No |
| Decode | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Qualcomm Snapdragon 778G+ can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Core 2 Quad Q8400s supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s. |
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| Qualcomm Snapdragon 778G+ | Characteristic | Intel Core 2 Quad Q8400s |
| LPDDR5-6400 | Memory | DDR3-1066, DDR2-800 |
| 16 GB | Max. Memory | 16 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 25.6 GB/s | Max. Bandwidth | 17.1 GB/s |
| No | ECC | No |
| -- | L2 Cache | 4.00 MB |
| 2.00 MB | L3 Cache | -- |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Qualcomm Snapdragon 778G+ is --, while the Intel Core 2 Quad Q8400s has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Qualcomm Snapdragon 778G+ | Characteristic | Intel Core 2 Quad Q8400s |
| -- | TDP (PL1 / PBP) | 65 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Qualcomm Snapdragon 778G+ is manufactured in 6 nm and has 2.00 MB cache. The Intel Core 2 Quad Q8400s is manufactured in 45 nm and has a 4.00 MB cache. |
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| Qualcomm Snapdragon 778G+ | Characteristic | Intel Core 2 Quad Q8400s |
| 6 nm | Technology | 45 nm |
| Chiplet | Chip design | Monolithic |
| Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | ISA extensions | MMX, SSE2, SSE3, SSE4.1 |
| -- | Socket | LGA 775 |
| None | Virtualization | VT-x, VT-d |
| No | AES-NI | No |
| Android | Operating systems | Windows 10, Linux |
| Q4/2021 | Release date | Q2/2009 |
| -- | Release price | -- |
| show more data | show more data | |
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Rate these processors
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 778G+
8C 8T @ 2.50 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 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 778G+
8C 8T @ 2.50 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 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 778G+
8C 8T @ 2.50 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 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 778G+
8C 8T @ 2.50 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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AnTuTu 9 Benchmark
The AnTuTu 9 benchmark is very well suited to measuring the performance of a smartphone. AnTuTu 9 is quite heavy on 3D graphics and can now also use the "Metal" graphics interface. In AnTuTu, memory and UX (user experience) are also tested by simulating browser and app usage. AnTuTu version 9 can compare any ARM CPU running on Android or iOS. Devices may not be directly comparable when benchmarked on different operating systems.
In the AnTuTu 9 benchmark, the single-core performance of a processor is only slightly weighted. The rating is made up of the multi-core performance of the processor, the speed of the working memory, and the performance of the internal graphics.
In the AnTuTu 9 benchmark, the single-core performance of a processor is only slightly weighted. The rating is made up of the multi-core performance of the processor, the speed of the working memory, and the performance of the internal graphics.
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Qualcomm Snapdragon 778G+
8C 8T @ 2.50 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 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 778G+
8C 8T @ 2.50 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
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Devices using this processor |
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| Qualcomm Snapdragon 778G+ | Intel Core 2 Quad Q8400s |
| Unknown | Unknown |
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