Snapdragon 821 vs Snapdragon 835

Snapdragon 821
Snapdragon 835
4 Cores
4 Threads
2.15GHz Clock
8 Cores
8 Threads
2.45GHz Clock
Socket
Unknown
Socket
Unknown
iGPU
Adreno 530+
iGPU
Adreno 540
GB6S 300
8%
GB6S 395
10%
GB6M 580
2%
GB6M 1,225
5%
CB23S - N/A
0%
CB23S - N/A
0%
CB23M - N/A
0%
CB23M - N/A
0%
Manufacturer
Qualcomm
Manufacturer
Qualcomm
Architecture
Kryo
Architecture
Kryo 280
Family
8 Series
Family
8 Series
Instruction Set (ISA)
ARMv8.0-A
Instruction Set (ISA)
ARMv8.0-A
Codename
-
-
-
-
-
-
-
-
-
Codename
-
-
-
P-Core
Cortex-A73
-
-
E-Core
Cortex-A72
Market Segment
Mobile
Market Segment
Mobile
Release Date
9/9/2016
Release Date
5/9/2017
Foundry
Samsung
-
-
-
Foundry
Samsung
-
-
-
Node
14LPP
-
-
-
Node
10LPE
-
-
-
Die Size
Unknown
-
-
-
Die Size
Unknown
-
-
-
Transistor Count
Unknown
-
-
-
Transistor Count
Unknown
-
-
-
Unknown
Unknown
4 Cores
2 P-Cores
-
2 E-Cores
8 Cores
4 P-Cores
-
4 E-Cores
4 Threads
2 P-Threads
-
2 E-Threads
8 Threads
4 P-Threads
-
4 E-Threads
P-Core
2.15GHz
-
-
P-Core
2.45GHz
-
-
-
-
-
-
-
-
E-Core
1.6GHz
-
E-Core
1.9GHz
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Integrated Chipset
-
Integrated Chipset
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/P-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
32KB/P-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
-
-
1MB Shared
8-way set associative
-
-
-
-
-
-
0.5MB Shared (E-Core)
8-way set associative
L2
-
-
2MB Shared
8-way set associative
-
-
-
-
-
-
1MB Shared (E-Core)
8-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
4
Channels
2
Max Memory
8GB
Max Memory
16GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
16Bit
Bus Width
64Bit
Bus Width/Channel
32Bit
Bus Width
64Bit
Clock
1866MHz
Transfer Rate
3733MT/s
Clock
1866MHz
Transfer Rate
3733MT/s
Bandwidth/Channel
7.5GB/s
Bandwidth
29.9GB/s
Bandwidth/Channel
14.9GB/s
Bandwidth
29.9GB/s
TDP
5W
-
-
-
TDP
5W
-
-
-
-
-
-
-
-
-
Included Cooler
Not Included
Included Cooler
Not Included
No PCIe
No PCIe
Adreno 530+
256 Shaders
624MHz
Adreno 540
384 Shaders
710MHz
Hexagon 680
Hexagon 682
1000.0MHz
-
-
-
-
-
-
-
ISP
Spectra (Up to 28 MP camera / 13 MP dual)
ISP
Spectra 180 (Up to 32 MP camera / 16 MP dual)
Modem
Qualcomm
X12
4G
Modem
Qualcomm
X16
4G
Speed
Up to 600Mbps Download
Up to 150Mbps Upload
Speed
Up to 1000Mbps Download
Up to 150Mbps Upload
Change Results