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Qualcomm Snapdragon 821 specs
Complete list of technical specificationsCPU generation and family
Information about the Qualcomm Snapdragon 821 segment (for desktops or laptops) and the CPU family, along with the sales starting date.
| Specification | Value |
|---|---|
| Name | Qualcomm Snapdragon 821 |
| Family | Qualcomm Snapdragon |
| CPU group | Qualcomm Snapdragon 820 |
| Segment | Mobile |
| Generation | 3 |
| Predecessor | -- |
| Successor | -- |
CPU Cores and Base Frequency
Technical and quantitative specifications of the Qualcomm Snapdragon 821: number of cores and threads, base and maximum frequencies. The higher these specifications are, the more powerful your CPU will be.
| Specification | Value |
|---|---|
| CPU Cores / Threads | 4 / 4 |
| Core architecture | hybrid (big.LITTLE) |
| A-Core | 2x Kryo |
| B-Core | 2x Kryo |
| Hyperthreading / SMT | No |
| Overclocking | No |
| A-Core Frequency | 2.40 GHz |
| B-Core Frequency | 1.60 GHz |
Internal Graphics
Common specifications for the integrated graphics card in Qualcomm Snapdragon 821 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.
| Specification | Value |
|---|---|
| GPU name | Qualcomm Adreno 530 |
| GPU frequency | 0.62 GHz |
| GPU (Turbo) | 0.62 GHz |
| Execution units | 0 |
| Shader | 256 |
| Max. GPU Memory | -- |
| Max. displays | 0 |
| Generation | 5 |
| Direct X | 11,1 |
| Technology | 14 nm |
| Release date | Q4/2015 |
Hardware codec support
List of video codecs supported by the Qualcomm Snapdragon 821 CPU. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.
| Specification | Value |
|---|---|
| h265 / HEVC (8 bit) | Decode |
| h265 / HEVC (10 bit) | No |
| h264 | Decode |
| VP8 | Decode |
| VP9 | Decode |
| AV1 | No |
| AVC | No |
| VC-1 | Decode |
| JPEG | Decode |
Memory & PCIe
Memory type, clock frequency, multi-channel features, and PCIe version of the Qualcomm Snapdragon 821. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.
| Specification | Value |
|---|---|
| Memory type | LPDDR4-1866 |
| Max. Memory | |
| Memory channels | 4 (Quad Channel) |
| Bandwidth | -- |
| ECC | No |
| PCIe | |
| AES-NI | No |
Thermal Management
Let's find out what TDP has the Qualcomm Snapdragon 821? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.
| Specification | Value |
|---|---|
| TDP (PL1 / PBP) | |
| TDP (PL2) | -- |
| TDP up | -- |
| TDP down | -- |
| Tjunction max. | -- |
Technical details
Here you can find a comparison of 2nd and 3rd level cache sizes for the Qualcomm Snapdragon 821 CPU along with a list of ISA extensions.
| Specification | Value |
|---|---|
| Technology | 14 nm |
| Chip design | Chiplet |
| Socket | N/A |
| L2-Cache | -- |
| L3-Cache | -- |
| Architecture | Kryo |
| Operating systems | Android |
| Virtualization | None |
| Instruction set (ISA) | ARMv8-A64 (64 bit) |
| ISA extensions | |
| Release date | Q3/2016 |
| Release price | -- |
| Part Number | MSM8996 Pro-AB |
| Documents | -- |
