Qualcomm Snapdragon 820 | Intel Atom Z3775 | |
CPU comparisonIn this CPU comparison, we compare the Qualcomm Snapdragon 820 and the Intel Atom Z3775 and use benchmarks to check which processor is faster.
We compare the Qualcomm Snapdragon 820 4 core processor released in Q4/2015 with the Intel Atom Z3775 which has 4 CPU cores and was introduced in Q1/2014. |
||
Qualcomm Snapdragon (103) | Family | Intel Atom (108) |
Qualcomm Snapdragon 820 (3) | CPU group | Intel Atom Z3700 (16) |
3 | Generation | 4 |
Kryo | Architecture | Bay Trail |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
|
||
CPU Cores and Base FrequencyThe Qualcomm Snapdragon 820 is a 4 core processor with a clock frequency of 2.15 GHz. The processor can compute 4 threads at the same time. The Intel Atom Z3775 clocks with 1.46 GHz (2.39 GHz), has 4 CPU cores and can calculate 4 threads in parallel. |
||
Qualcomm Snapdragon 820 | Characteristic | Intel Atom Z3775 |
4 | Cores | 4 |
4 | Threads | 4 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | No |
2.15 GHz 2x Kryo |
A-Core | 1.46 GHz (2.39 GHz) |
1.60 GHz 2x Kryo |
B-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. |
||
Qualcomm Snapdragon 820 | Characteristic | Intel Atom Z3775 |
Qualcomm AI engine | AI hardware | -- |
Hexagon 680 | AI specifications | -- |
-- | 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. |
||
Qualcomm Adreno 530 | GPU | Intel HD Graphics (Bay Trail GT1) |
0.62 GHz | GPU frequency | 0.31 GHz |
0.62 GHz | GPU (Turbo) | 0.78 GHz |
5 | GPU Generation | 7 |
14 nm | Technology | 22 nm |
0 | Max. displays | 2 |
-- | Compute units | 4 |
256 | Shader | 32 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 GB |
11,1 | DirectX Version | 11.2 |
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. |
||
Qualcomm Adreno 530 | GPU | Intel HD Graphics (Bay Trail GT1) |
Decode | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode | Codec h264 | Decode / Encode |
Decode | Codec VP9 | No |
Decode | Codec VP8 | No |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode | Codec JPEG | Decode |
Memory & PCIeUp to 12 GB of memory in a maximum of 4 memory channels is supported by the Qualcomm Snapdragon 820, while the Intel Atom Z3775 supports a maximum of 4 GB of memory with a maximum memory bandwidth of 17.1 GB/s enabled. |
||
Qualcomm Snapdragon 820 | Characteristic | Intel Atom Z3775 |
LPDDR4-3733 | Memory | LPDDR3-1066 |
12 GB | Max. Memory | 4 GB |
4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
14.9 GB/s | Max. Bandwidth | 17.1 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
-- | L3 Cache | 2.00 MB |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe Qualcomm Snapdragon 820 has a TDP of --. The TDP of the Intel Atom Z3775 is 3.5 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
||
Qualcomm Snapdragon 820 | Characteristic | Intel Atom Z3775 |
-- | TDP (PL1 / PBP) | 3.5 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 90 °C |
Technical detailsThe Qualcomm Snapdragon 820 has 0.00 MB cache and is manufactured in 14 nm. The cache of Intel Atom Z3775 is at 2.00 MB. The processor is manufactured in 22 nm. |
||
Qualcomm Snapdragon 820 | Characteristic | Intel Atom Z3775 |
14 nm | Technology | 22 nm |
Chiplet | Chip design | Monolithic |
Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
-- | ISA extensions | SSE4.1, SSE4.2 |
-- | Socket | BGA 1380 |
None | Virtualization | VT-x, VT-x EPT |
No | AES-NI | Yes |
Android | Operating systems | |
Q4/2015 | Release date | Q1/2014 |
-- | Release price | -- |
show more data | show more data | |
Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
|||
Intel Atom Z3775
4C 4T @ 2.39 GHz |
Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
|||
Intel Atom Z3775
4C 4T @ 1.46 GHz |
Qualcomm Snapdragon 820
Qualcomm Adreno 530 @ 0.62 GHz |
|||
Intel Atom Z3775
Intel HD Graphics (Bay Trail GT1) @ 0.78 GHz |
Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
|||
Intel Atom Z3775
4C 4T @ 1.46 GHz |
Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
|||
Intel Atom Z3775
4C 4T @ 2.39 GHz |
Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
|||
Intel Atom Z3775
4C 4T @ 1.46 GHz |
Devices using this processor |
|
Qualcomm Snapdragon 820 | Intel Atom Z3775 |
Unknown | Unknown |