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.
Qualcomm Snapdragon 821

At a glance

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 & PCIe

The 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 Management

With 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

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Benchmark results

Verified 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.
MediaTek Helio G80 MediaTek Helio G80
8C 8T @ 2.00 GHz
406
HiSilicon Kirin 960 HiSilicon Kirin 960
8C 8T @ 2.40 GHz
403
Qualcomm Snapdragon 670 Qualcomm Snapdragon 670
8C 8T @ 2.00 GHz
375
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz
370
Samsung Exynos 9610 Samsung Exynos 9610
8C 8T @ 2.30 GHz
370
Qualcomm Snapdragon 820 Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz
367
Samsung Exynos 9611 Samsung Exynos 9611
8C 8T @ 2.30 GHz
367

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.
MediaTek MT8176 MediaTek MT8176
6C 6T @ 2.00 GHz
782
MediaTek Helio P22 MediaTek Helio P22
8C 8T @ 2.00 GHz
770
Qualcomm Snapdragon 450 Qualcomm Snapdragon 450
8C 8T @ 1.80 GHz
770
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz
752
Qualcomm Snapdragon 820 Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz
746
Qualcomm Snapdragon 439 Qualcomm Snapdragon 439
8C 8T @ 1.95 GHz
736
MediaTek Helio A25 MediaTek Helio A25
8C 8T @ 1.80 GHz
729

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.
Samsung Exynos 9611 Samsung Exynos 9611
8C 8T @ 2.30 GHz
347
Qualcomm Snapdragon 820 Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz
344
UNISOC T610 UNISOC T610
8C 8T @ 1.80 GHz
344
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz
341
Qualcomm Snapdragon 660 non LTE Qualcomm Snapdragon 660 non LTE
8C 8T @ 2.20 GHz
338
Qualcomm Snapdragon 820 Lite Qualcomm Snapdragon 820 Lite
4C 4T @ 1.80 GHz
335
Qualcomm Snapdragon 670 Qualcomm Snapdragon 670
8C 8T @ 2.00 GHz
333

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.
MediaTek Helio G35 MediaTek Helio G35
8C 8T @ 2.30 GHz
892
MediaTek Helio P25 MediaTek Helio P25
8C 8T @ 2.60 GHz
867
MediaTek MT8169A MediaTek MT8169A
6C 6T @ 2.00 GHz
865
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz
864
Qualcomm Snapdragon 820 Lite Qualcomm Snapdragon 820 Lite
4C 4T @ 1.80 GHz
864
MediaTek MT8176 MediaTek MT8176
6C 6T @ 2.00 GHz
861
MediaTek Helio P23 MediaTek Helio P23
8C 8T @ 2.50 GHz
859

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.
Apple A9X Apple A9X
Apple A9X @ 0.65 GHz
499
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
Qualcomm Adreno 620 @ 0.63 GHz
490
Qualcomm Snapdragon 732G Qualcomm Snapdragon 732G
Qualcomm Adreno 618 @ 0.95 GHz
486
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
Qualcomm Adreno 530 @ 0.62 GHz
476
Qualcomm Snapdragon 820 Qualcomm Snapdragon 820
Qualcomm Adreno 530 @ 0.62 GHz
476
Qualcomm Snapdragon 730G Qualcomm Snapdragon 730G
Qualcomm Adreno 618 @ 0.83 GHz
422
Apple A11 Bionic Apple A11 Bionic
Apple A11 @ 1.07 GHz
409

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.
MediaTek Helio P25 MediaTek Helio P25
8C 8T @ 2.60 GHz
1659
Qualcomm Snapdragon 652 Qualcomm Snapdragon 652
8C 8T @ 1.80 GHz
1633
Samsung Exynos 7420 Samsung Exynos 7420
8C 8T @ 2.10 GHz
1618
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz
1594
MediaTek Helio G35 MediaTek Helio G35
8C 8T @ 2.30 GHz
1571
MediaTek Helio P23 MediaTek Helio P23
8C 8T @ 2.50 GHz
1543
Apple A8 Apple A8
2C 2T @ 1.50 GHz
1532

Benchmarks





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