Intel Core i3-8121U | Qualcomm Snapdragon 778G | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i3-8121U and the Qualcomm Snapdragon 778G and use benchmarks to check which processor is faster.
We compare the Intel Core i3-8121U 2 core processor released in Q2/2018 with the Qualcomm Snapdragon 778G which has 8 CPU cores and was introduced in Q2/2021. |
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Intel Core i3 (205) | Family | Qualcomm Snapdragon (103) |
Intel Core i 8000U (CL) (1) | CPU group | Qualcomm Snapdragon 778 (2) |
8 | Generation | 4 |
Cannon Lake U | Architecture | Kryo 670 |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i3-8121U is a 2 core processor with a clock frequency of 2.20 GHz (3.20 GHz). The processor can compute 4 threads at the same time. The Qualcomm Snapdragon 778G clocks with 2.40 GHz, has 8 CPU cores and can calculate 8 threads in parallel. |
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Intel Core i3-8121U | Characteristic | Qualcomm Snapdragon 778G |
2 | Cores | 8 |
4 | Threads | 8 |
normal | Core architecture | hybrid (Prime / big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.20 GHz (3.20 GHz) | A-Core | 2.40 GHz 1x Kryo 670 Prime |
-- | B-Core | 2.20 GHz 3x Kryo 670 Gold |
-- | C-Core | 1.90 GHz 4x Kryo 670 Silver |
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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Intel Core i3-8121U | Characteristic | Qualcomm Snapdragon 778G |
-- | AI hardware | Qualcomm AI engine |
-- | AI specifications | Hexagon 770 @ 12 TOPS |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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no iGPU | GPU | Qualcomm Adreno 642L |
GPU frequency | -- | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 5 |
Technology | 6 nm | |
Max. displays | 1 | |
-- | Compute units | 4 |
-- | Shader | 384 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 4 GB |
-- | DirectX Version | 12.0 |
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 642L |
No | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | Decode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode |
No | Codec VP8 | Decode |
No | Codec AV1 | No |
No | Codec AVC | Decode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i3-8121U, while the Qualcomm Snapdragon 778G supports a maximum of 16 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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Intel Core i3-8121U | Characteristic | Qualcomm Snapdragon 778G |
LPDDR4-2400, DDR4-2400 | Memory | LPDDR5-6400 |
32 GB | Max. Memory | 16 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
38.4 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
4.00 MB | L3 Cache | 2.00 MB |
3.0 | PCIe version | -- |
16 | PCIe lanes | -- |
15.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Core i3-8121U has a TDP of 15 W. The TDP of the Qualcomm Snapdragon 778G is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i3-8121U | Characteristic | Qualcomm Snapdragon 778G |
15 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
105 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i3-8121U has 4.00 MB cache and is manufactured in 10 nm. The cache of Qualcomm Snapdragon 778G is at 2.00 MB. The processor is manufactured in 6 nm. |
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Intel Core i3-8121U | Characteristic | Qualcomm Snapdragon 778G |
10 nm | Technology | 6 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | -- |
BGA 1356 | Socket | -- |
VT-x, VT-x EPT, VT-d | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Android |
Q2/2018 | Release date | Q2/2021 |
-- | Release price | -- |
show more data | show more data | |
Intel Core i3-8121U
2C 4T @ 3.20 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Intel Core i3-8121U
2C 4T @ 2.70 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Intel Core i3-8121U
2C 4T @ 3.20 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Intel Core i3-8121U
2C 4T @ 2.70 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Intel Core i3-8121U
2C 4T @ 2.70 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Intel Core i3-8121U
2C 4T @ 2.20 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Intel Core i3-8121U
2C 4T @ 2.20 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Intel Core i3-8121U
2C 4T @ 2.20 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Intel Core i3-8121U
2C 4T @ 3.20 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Intel Core i3-8121U
2C 4T @ 2.70 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Intel Core i3-8121U
2C 4T @ 2.20 GHz |
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Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz |
Devices using this processor |
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Intel Core i3-8121U | Qualcomm Snapdragon 778G |
Unknown | Samsung Galaxy A73 5G Xiaomi Civi S1 Oppo Reno7 5G |