Qualcomm Snapdragon 855 vs Qualcomm Snapdragon 820 Lite

Qualcomm Snapdragon 855
Qualcomm Snapdragon 820 Lite
8 Cores
8 Threads
2.84GHz Clock
4 Cores
4 Threads
1.8GHz Clock
Socket
Unknown
Socket
Unknown
iGPU
Adreno 640
900 GFLOPS FP32
iGPU
Adreno 530
260 GFLOPS FP32
GB6S 900
22%
GB6S N/A
0%
GB6M 2,605
10%
GB6M N/A
0%
CB23S N/A
0%
CB23S N/A
0%
CB23M N/A
0%
CB23M N/A
0%
Manufacturer
Qualcomm
Manufacturer
Qualcomm
Architecture
Kryo 485
Architecture
Kryo
Family
8 Series
Family
8 Series
Instruction Set (ISA)
AArch64
Instruction Set (ISA)
AArch64
Codename
-
-
Snapdragon 855
P-Core
Cortex-A76
M-Core
Cortex-A76
E-Core
Cortex-A55
Codename
-
-
-
-
-
-
-
-
-
Market Segment
Mobile
Market Segment
Mobile
Release Date
10/22/2019
Release Date
2/18/2016
Foundry
TSMC
-
-
-
Foundry
Samsung
-
-
-
Node
N7
-
-
-
Node
14LPP
-
-
-
Die Size
77 mm²
-
-
-
Die Size
Unknown
-
-
-
Transistor Count
Unknown
-
-
-
Transistor Count
Unknown
-
-
-
Unknown
Unknown
8 Cores
1 P-Cores
3 M-Cores
4 E-Cores
4 Cores
2 P-Cores
-
2 E-Cores
8 Threads
1 P-Threads
3 M-Cores
4 E-Threads
4 Threads
2 P-Threads
-
2 E-Threads
P-Core
2.84GHz
-
-
P-Core
1.8GHz
-
-
M-Core
2.42GHz
-
-
-
-
E-Core
1.8GHz
-
E-Core
1.36GHz
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Integrated Chipset
-
Integrated Chipset
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
64KB/P-Core
4-way set associative
64KB/M-Core
4-way set associative
32KB/E-Core
4-way set associative
L1 Instruction
32KB/P-Core
4-way set associative
-
-
32KB/E-Core
4-way set associative
L1 Data
64KB/P-Core
4-way set associative
64KB/M-Core
4-way set associative
32KB/E-Core
4-way set associative
L1 Data
32KB/P-Core
4-way set associative
-
-
32KB/E-Core
4-way set associative
L2
512KB/P-Core
8-way set associative
-
-
256KB/M-Core
8-way set associative
-
-
128KB/E-Core
4-way set associative
-
-
L2
-
-
1MB Shared
8-way set associative
-
-
-
-
-
-
0.5MB Shared (E-Core)
8-way set associative
L3
-
2MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3MB SLC Cache
-
-
-
-
Channels
4
Channels
4
Max Memory
16GB
Max Memory
8GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
16Bit
Bus Width
64Bit
Bus Width/Channel
16Bit
Bus Width
64Bit
Clock
2133MHz
Transfer Rate
4266MT/s
Clock
1333MHz
Transfer Rate
2666MT/s
Bandwidth/Channel
8.5GB/s
Bandwidth
34.1GB/s
Bandwidth/Channel
5.3GB/s
Bandwidth
21.3GB/s
TDP
5W
-
-
-
TDP
5W
-
-
-
-
-
-
-
-
-
Included Cooler
Not Included
Included Cooler
Not Included
No PCIe
No PCIe
Adreno 640
768 Shaders
585MHz
900 GFLOPS FP32
Adreno 530
256 Shaders
510MHz
260 GFLOPS FP32
Hexagon 690
Hexagon 680
576.0MHz
-
1000.0MHz
-
7 TOPS
-
ISP
Spectra 380 (192 MP single camera / 22 MP at 30fps dual camera with MFNR/ZSL)
ISP
Spectra (Up to 28 MP camera / 13 MP dual)
Modem
Qualcomm
X24
4G
Modem
Qualcomm
X12
4G
Speed
Up to 2000Mbps Download
Up to 316Mbps Upload
Speed
Up to 600Mbps Download
Up to 150Mbps Upload
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