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Qualcomm Snapdragon 821 Benchmark, Test and specs
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The Qualcomm Snapdragon 821 is a 4 core processor. It can process 4 threads concurrently and is based on the 3. gen of the Qualcomm Snapdragon series. The processor was released in Q3/2016. The Qualcomm Snapdragon 821 scores 341 points with one CPU core in the Geekbench 5 benchmark. When using all CPU cores, the result is 864 points.
| Name: | Qualcomm Snapdragon 821 |
|---|---|
| Family: | Qualcomm Snapdragon (105) |
| CPU group: | Qualcomm Snapdragon 820 (3) |
| Architecture: | Kryo |
| Technology: | 14 nm |
| Segment: | Smartphone / Tablet |
| Generation: | 3 |
| Predecessor: | -- |
| Successor: | -- |
CPU Cores and Base Frequency
The 4 CPU cores of the Qualcomm Snapdragon 821 clock with 2.40 GHz. The number of CPU cores and the clock frequency of the processor are largely responsible for the overall performance.
| 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 |
NPU AI performance
The 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.
| AI hardware: | Qualcomm AI engine |
|---|---|
| AI specifications: | Hexagon 680 |
| NPU + CPU + iGPU: | -- |
Integrated graphics (iGPU)
With the Qualcomm Adreno 530, the Qualcomm Snapdragon 821 has an build in graphic solution. It has -- SM processors, which have a total of 256 texture shaders. The iGPU not only enables games, but also significantly accelerates video playback.
| GPU name: | Qualcomm Adreno 530 |
|---|---|
| GPU frequency: | 0.62 GHz |
| GPU (Turbo): | 0.62 GHz |
| Compute units: | -- |
| Shader: | 256 |
| Hardware Raytracing: | No |
| Release date: | Q4/2015 |
| Max. displays: | 0 |
|---|---|
| Generation: | 5 |
| Direct X: | 11,1 |
| Technology: | 14 nm |
| Max. GPU Memory: | -- |
| Frame Generation: | No |
Hardware codec support
Processors that have an integrated graphics can play videos faster and more efficiently. This can have a positive effect on the battery life of notebooks, for example.
| 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 & PCIeThe Qualcomm Snapdragon 821 supports up to 8 GB memory in up to 2 (Dual Channel) memory channels. This results in a maximum memory bandwidth of 14.9 GB/s. |
|
| Memory type: | Memory bandwidth: |
|---|---|
| LPDDR4-3733 | 14.9 GB/s |
| Max. Memory: | 8 GB |
| Memory channels: | 2 (Dual Channel) |
| ECC: | No |
| PCIe: | |
| PCIe Bandwidth: | -- |
Thermal ManagementWith the TDP, the processor manufacturer specifies the cooling solution required for the processor. The Qualcomm Snapdragon 821 has a TDP of . |
|
|---|---|
| TDP (PL1 / PBP): | |
| TDP (PL2): | -- |
| TDP up: | -- |
| TDP down: | -- |
| Tjunction max.: | -- |
Technical details
The Qualcomm Snapdragon 821 has a 0.00 MB large cache. The processor is manufactured in 14 nm. Modern production increases the efficiency of the processor.
| Technology: | 14 nm |
|---|---|
| Chip design: | Chiplet |
| Socket: | -- |
| L2-Cache: | -- |
| L3-Cache: | -- |
| AES-NI: | No |
| Operating systems: | Android |
| Virtualization: | None |
|---|---|
| Instruction set (ISA): | Armv8-A (64 bit) |
| ISA extensions: | -- |
| Release date: | Q3/2016 |
| Release price: | -- |
| Part Number: | MSM8996 Pro-AB |
| Documents: | Technical data sheet |
4C 4T @ 2.40 GHz
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Benchmark results
The benchmark results for the Qualcomm Snapdragon 821 have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.
Geekbench 6 Single-Core
Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
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MediaTek Helio G80
8C 8T @ 2.00 GHz |
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HiSilicon Kirin 960
8C 8T @ 2.40 GHz |
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Qualcomm Snapdragon 670
8C 8T @ 2.00 GHz |
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Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz |
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Samsung Exynos 9610
8C 8T @ 2.30 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
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Samsung Exynos 9611
8C 8T @ 2.30 GHz |
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Geekbench 6 Multi-Core
The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
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MediaTek MT8176
6C 6T @ 2.00 GHz |
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MediaTek Helio P22
8C 8T @ 2.00 GHz |
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Qualcomm Snapdragon 450
8C 8T @ 1.80 GHz |
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Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
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Qualcomm Snapdragon 439
8C 8T @ 1.95 GHz |
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MediaTek Helio A25
8C 8T @ 1.80 GHz |
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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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Samsung Exynos 9611
8C 8T @ 2.30 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
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UNISOC T610
8C 8T @ 1.80 GHz |
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Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz |
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Qualcomm Snapdragon 660 non LTE
8C 8T @ 2.20 GHz |
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Qualcomm Snapdragon 820 Lite
4C 4T @ 1.80 GHz |
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Qualcomm Snapdragon 670
8C 8T @ 2.00 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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MediaTek Helio G35
8C 8T @ 2.30 GHz |
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MediaTek Helio P25
8C 8T @ 2.60 GHz |
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MediaTek MT8169A
6C 6T @ 2.00 GHz |
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Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz |
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Qualcomm Snapdragon 820 Lite
4C 4T @ 1.80 GHz |
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MediaTek MT8176
6C 6T @ 2.00 GHz |
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MediaTek Helio P23
8C 8T @ 2.50 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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Apple A9X
Apple A9X @ 0.65 GHz |
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Qualcomm Snapdragon 765
Qualcomm Adreno 620 @ 0.63 GHz |
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Qualcomm Snapdragon 732G
Qualcomm Adreno 618 @ 0.95 GHz |
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Qualcomm Snapdragon 821
Qualcomm Adreno 530 @ 0.62 GHz |
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Qualcomm Snapdragon 820
Qualcomm Adreno 530 @ 0.62 GHz |
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Qualcomm Snapdragon 730G
Qualcomm Adreno 618 @ 0.83 GHz |
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Apple A11 Bionic
Apple A11 @ 1.07 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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MediaTek Helio P25
8C 8T @ 2.60 GHz |
||
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Qualcomm Snapdragon 652
8C 8T @ 1.80 GHz |
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Samsung Exynos 7420
8C 8T @ 2.10 GHz |
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Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz |
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MediaTek Helio G35
8C 8T @ 2.30 GHz |
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MediaTek Helio P23
8C 8T @ 2.50 GHz |
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Apple A8
2C 2T @ 1.50 GHz |
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Benchmarks
Geekbench 6 (SC)
1,888 entries
1,888 entries
Geekbench 6 (MC)
1,822 entries
1,822 entries
Geekbench 5 (SC)
2,510 entries
2,510 entries
Geekbench 5 (MC)
2,477 entries
2,477 entries
FP32 SP (iGPU)
2,155 entries
2,155 entries
PassMark CPU-Mark
2,459 entries
2,459 entries
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