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Qualcomm Snapdragon 821 vs Apple A15 Bionic (4-GPU)
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 6 Single-Core
Single-core performance
4C / 4T · 2.40 GHz
Apple A15 Bionic (4-GPU)
100 %
6C / 6T · 3.23 GHz
Geekbench 6 Multi-Core
Multi-core performance
4C / 4T · 2.40 GHz
Apple A15 Bionic (4-GPU)
100 %
6C / 6T · 3.23 GHz
Geekbench 5, 64bit Single-Core
Single-core performance
4C / 4T · 2.40 GHz
Apple A15 Bionic (4-GPU)
100 %
6C / 6T · 3.23 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
4C / 4T · 2.40 GHz
Apple A15 Bionic (4-GPU)
100 %
6C / 6T · 3.23 GHz
iGPU - FP32 Performance (Single-precision GFLOPS)
Qualcomm Adreno 530
Apple A15 Bionic (4-GPU)
100 %
Apple A15 (4 GPU Cores)
More benchmarks
Specifications
At a glance
|
Wischen
|
Qualcomm Snapdragon 821 | Apple A15 Bionic (4-GPU) |
|---|---|---|
| Family | Qualcomm Snapdragon (105) | Apple A series (27) |
| CPU group | Qualcomm Snapdragon 820 (3) | Apple A15 (2) |
| Architecture | Kryo | A15 |
| Technology | 14 nm | 5 nm |
| Segment | Smartphone / Tablet | Smartphone / Tablet |
| Socket | ||
| Predecessor | ||
| Successor | Apple A16 Bionic (5-CPU 4-GPU) |
CPU Cores and Base Frequency
|
Wischen
|
Qualcomm Snapdragon 821 | Apple A15 Bionic (4-GPU) |
|---|---|---|
| CPU Cores / Threads | 4 / 4 | 6 / 6 |
| Hyperthreading / SMT | ✗ | ✗ |
| Core architecture | hybrid (big.LITTLE) | hybrid (big.LITTLE) |
| Core Cluster 1: | 2x Kryo 2.40 GHz |
2x Avalanche 3.23 GHz |
| Core Cluster 2: | 2x Kryo 1.60 GHz |
4x Blizzard 2.02 GHz |
| L2-Cache | 16.00 MB | |
| L3-Cache | 32.00 MB | |
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Qualcomm Snapdragon 821 | Apple A15 Bionic (4-GPU) |
|---|---|---|
| GPU name | Qualcomm Adreno 530 | Apple A15 (4 GPU Cores) |
| GPU frequency | 0.62 - 0.62 GHz | 1.34 GHz |
| CUs / Shader | / 256 | 16 / 512 |
| Raytracing | ✗ | ✗ |
| Max. displays | 0 | 3 |
| Max. GPU Memory | 6 GB | |
| Technology | 14 nm | 5 nm |
| Release date | Q4/2015 | Q3/2021 |
NPU AI performance
|
Wischen
|
Qualcomm Snapdragon 821 | Apple A15 Bionic (4-GPU) |
|---|---|---|
| AI hardware | Qualcomm AI engine | Apple Neural Engine |
| AI specifications | Hexagon 680 | 16 Neural cores @ 15.8 TOPS |
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Qualcomm Snapdragon 821 | Apple A15 Bionic (4-GPU) |
|---|---|---|
| Memory | LPDDR4-3733 (14.9 GB/s) | LPDDR4X-4266 (34.1 GB/s) |
| Max. Memory | 8 GB | 6 GB |
| Memory channels | 2 | 1 |
| ECC | No | No |
| PCIe | ||
| PCIe Bandwidth |
Thermal Management
|
Wischen
|
Qualcomm Snapdragon 821 | Apple A15 Bionic (4-GPU) |
|---|---|---|
| TDP | 10 W | |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | ||
| T. junction max. |
Technical details
|
Wischen
|
Qualcomm Snapdragon 821 | Apple A15 Bionic (4-GPU) |
|---|---|---|
| Chip design | Chiplet | Chiplet |
| AES-NI | ✗ | ✗ |
| Operating systems | Android | iOS |
| Instruction set | Armv8-A (64 bit) | Armv8-A (64 bit) |
| ISA extensions | ||
| Release date | Q3/2016 | Q3/2021 |
| Release price | ||
| Documents | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of Qualcomm Snapdragon 821 is 4.6 stars (7 ratings), while Apple A15 Bionic (4-GPU) has received 4.4 stars (99 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
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Qualcomm Snapdragon 821
4C / 4T · 0.00 GHz
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MediaTek Dimensity 8300
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MediaTek Dimensity 9300+
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Apple A15 Bionic (4-GPU)
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MediaTek Dimensity 9400
8C / 8T · 0.00 GHz
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