Qualcomm Snapdragon 821 vs Xiaomi Xring O1
SOC Specs Compare
CPU
Architecture
2x 2.342 GHz – Kryo2x 1.6 GHz – Kryo
2x 3.9 GHz – Cortex-X9254x 3.4 GHz – Cortex-A7252x 1.9 GHz – Cortex-A7252x 1.8 GHz – Cortex-A520
Frequency
2342 MHz
3900 MHz
Cores
4
10
Instruction set
ARMv8-A
ARMv9.2-A
L1 cache
64 KB
-
L2 cache
0
10.5 MB
Process
14 nm
3 nm
Transistor count
2
19
TDP
11 W
-
Manufacturing
Samsung
TSMC
L3 cache
-
16 MB
Graphics
GPU name
Adreno 530
Mali-G925 Immortalis MC16
GPU frequency
653 MHz
1392 MHz
Execution units
1
-
Shading units
256
128
Vulkan version
1.0
1.3
OpenCL version
2.0
3.0
DirectX version
11
12.1
Memory
Memory Type
LPDDR4
LPDDR5T
Memory frequency
1866 MHz
9600 MHz
Bus
4x 16 Bit
4x 16 Bit
Max bandwidth
29.8 Gbit/s
76.8 Gbit/s
Multimedia (ISP)
Neural processor (NPU)
Hexagon 680
-
Storage type
eMMC 5.1, UFS 2.0
UFS 4.1
Max display resolution
3840 x 2160
3200 x 2136
Max camera resolution
1x 28MP, 2x 13MP
1x 200MP
Video capture
4K at 30FPS
8K at 30FPS, 4K at 120FPS
Video playback
4K at 30FPS
8K at 30FPS, 4K at 120FPS
Video codecs
H.264, H.265, VP8, VP9
- H.264- H.265- AV1- VP9
Audio codecs
AIFF, CAF, MP3, MP4, WAV
- AAC LC- FLAC- HE-AACv1- HE-AACv2- MP3
Connectivity
4G support
LTE Cat. 12
LTE Cat. 24
5G support
No
Yes
Download speed
Up to 600 Mbps
Up to 7900 Mbps
Upload speed
Up to 150 Mbps
Up to 4200 Mbps
Wi-Fi
5
7
Bluetooth
4.1
5.4
Navigation
GPS, GLONASS, Beidou, Galileo
GPS, GLONASS, Beidou, Galileo, QZSS
Info
AI
NPU
-
Yes
Theoretical Performance
-
44 TOPS
📊 Benchmark
Geekbench 6
391
3,086
Geekbench 6
797
9,701
FP32 (float)
334
-
AnTuTu 10
-
2,501,370