CPUs

Qualcomm Snapdragon 845 vs Qualcomm Snapdragon 855 Full Specs

8 Cores(4P+4E)
8 Threads(4P+4E)
2.8GHz
8 Cores(1P+3M+4E)
8 Threads(1P+3M+4E)
2.84GHz
TDP
5W
TDP
5W
Bandwidth
29.9GB/s
LPDDR4X
Bandwidth
34.1GB/s
LPDDR4X
iGPU
iGPU
··
1.45 TFLOPSFP16
··
1.8 TFLOPSFP16

Snapdragon 845Snapdragon 845493
x1
Snapdragon 855Snapdragon 855901
x1.83

8 Cores
4P
-
4E
8 Cores
1P
3M
4E
8 Threads
4P
-
4E
8 Threads
1P
3M
4E

Base Clock
2.8GHz
Base Clock
2.84GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB P
-
32KB E
L1i
64KB P
64KB M
32KB E
L1d
32KB P
-
32KB E
L1d
64KB P
64KB M
32KB E
L2
256KB P
-
128KB E
L2
512KB P
256KB M
128KB E
L3
2MB
L3
2MB
SLC Cache
3MB
SLC Cache
3MB

Type
LPDDR4X
Type
LPDDR4X
Max Memory
16GB
Max Memory
16GB
ECC
No
ECC
No
Channels
4
Channels
4
Bus Width
64-bit
Bus Width
64-bit
Speed
3733MT/s
Speed
4266MT/s
Bandwidth
29.9GB/s
Bandwidth
34.1GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
29.9GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
34.1GB/s

TDP
5W
TDP
5W

iGPU
iGPU
Shaders
512
Shaders
768
Boost Clock
710MHz
Boost Clock
585MHz
··
1.45 TFLOPSFP16
··
1.8 TFLOPSFP16

NPU Model
Hexagon 685
NPU Model
Hexagon 690
NPU Clock
-
NPU Clock
576MHz
Performance
3 TOPS
Performance
7 TOPS

Modem Model
X20
Modem Model
X24
Peak Down
Up to 1.2Gbps
Peak Down
Up to 2.0Gbps
Peak Up
Up to 150Mbps
Peak Up
Up to 316Mbps

Manufacturer
Manufacturer
ISA
AArch64
ISA
AArch64
Architecture
Kryo 385ARMv8.2-A
Architecture
Kryo 485ARMv8.2-A
Family
Family
Branding
Snapdragon 8 Series  branding
Branding
Snapdragon 8 Series  branding
Codename
-
Cortex-A75P-Core
-
Cortex-A55E-Core
Codename
Snapdragon 855Variant
Cortex-A76P-Core
Cortex-A76M-Core
Cortex-A55E-Core
Market Segment
Smartphone
Market Segment
Smartphone
Release Date
Dec 6, 2017
Release Date
Oct 22, 2019

Foundry
Samsung
Foundry
TSMC
Fabrication Node
10LPP
Fabrication Node
N7
Die Size
-
Die Size
77mm²

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