Qualcomm Snapdragon 845 vs Qualcomm Snapdragon 821
Qualcomm Snapdragon 845
Qualcomm Snapdragon 821
|
8 Cores
8 Threads
2.8GHz Clock
|
4 Cores
4 Threads
2.15GHz Clock
|
|
Socket
Unknown
|
Socket
Unknown
|
|
iGPU
Adreno 630
730 GFLOPS FP32
|
iGPU
Adreno 530+
320 GFLOPS FP32
|
|
GB6S 495
12%
|
GB6S 300
7%
|
|
GB6M 1,655
6%
|
GB6M 580
2%
|
|
CB23S N/A
0%
|
CB23S N/A
0%
|
|
CB23M N/A
0%
|
CB23M N/A
0%
|
|
Manufacturer
Qualcomm
|
Manufacturer
Qualcomm
|
|
Architecture
Kryo 385
|
Architecture
Kryo
|
|
Family
8 Series
|
Family
8 Series
|
|
Instruction Set (ISA)
AArch64
|
Instruction Set (ISA)
AArch64
|
|
Codename
-
-
-
P-Core
Cortex-A75
-
-
E-Core
Cortex-A55
|
Codename
-
-
Snapdragon 821
-
-
-
-
-
-
|
|
Market Segment
Mobile
|
Market Segment
Mobile
|
|
Release Date
12/6/2017
|
Release Date
9/9/2016
|
|
Foundry
Samsung
-
-
-
|
Foundry
Samsung
-
-
-
|
|
Node
10LPP
-
-
-
|
Node
14LPP
-
-
-
|
|
Die Size
Unknown
-
-
-
|
Die Size
Unknown
-
-
-
|
|
Transistor Count
Unknown
-
-
-
|
Transistor Count
Unknown
-
-
-
|
|
Unknown
|
Unknown
|
|
8 Cores
4 P-Cores
-
4 E-Cores
|
4 Cores
2 P-Cores
-
2 E-Cores
|
|
8 Threads
4 P-Threads
-
4 E-Threads
|
4 Threads
2 P-Threads
-
2 E-Threads
|
|
P-Core
2.8GHz
-
-
|
P-Core
2.15GHz
-
-
|
|
-
-
-
|
-
-
-
|
|
E-Core
1.8GHz
-
|
E-Core
1.59GHz
-
|
|
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
256KB/P-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
1866MHz
Transfer Rate
3733MT/s
|
Clock
1866MHz
Transfer Rate
3733MT/s
|
|
Bandwidth/Channel
7.5GB/s
Bandwidth
29.9GB/s
|
Bandwidth/Channel
7.5GB/s
Bandwidth
29.9GB/s
|
|
TDP
5W
-
-
-
|
TDP
5W
-
-
-
|
|
-
-
-
|
-
-
-
|
|
Included Cooler
Not Included
|
Included Cooler
Not Included
|
|
No PCIe
|
No PCIe
|
|
Adreno 630
512 Shaders
710MHz
730 GFLOPS FP32
|
Adreno 530+
256 Shaders
624MHz
320 GFLOPS FP32
|
|
Hexagon 685
|
Hexagon 680
|
|
-
-
|
1000.0MHz
-
|
|
3 TOPS
|
-
|
|
ISP
Spectra 280
(192 MP single camera / 16 MP at 30fps Dual Camera with MFNR/ZSL)
|
ISP
Spectra (Up to 28 MP camera / 13 MP dual)
|
|
Modem
Qualcomm
X20
4G
|
Modem
Qualcomm
X12
4G
|
|
Speed
Up to 1200Mbps Download
Up to 150Mbps Upload
|
Speed
Up to 600Mbps Download
Up to 150Mbps Upload
|
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