CPUs

Apple S2 vs Apple S5 Full Specs

2 Cores
2 Threads
520MHz
2 Cores
2 Threads
1.59GHz
TDP
2W
TDP
2W
Bandwidth
6.4GB/s
LPDDR3
Bandwidth
12.8GB/s
LPDDR4
iGPU
iGPU
··
57.6 GFLOPSFP16
··
71.94 GFLOPSFP16

S2S26.4GB/s
x1
S5S512.8GB/s
x2.00

2 Cores
2 Cores
2 Threads
2 Threads

Base Clock
520MHz
Base Clock
1.59GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
256KB
L2
2MB shared
SLC Cache
-
SLC Cache
1MB

Type
LPDDR3
Type
LPDDR4
Max Memory
512MB
Max Memory
1GB
ECC
No
ECC
No
Channels
1
Channels
1
Bus Width
32-bit
Bus Width
32-bit
Speed
1600MT/s
Speed
3200MT/s
Bandwidth
6.4GB/s
Bandwidth
12.8GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
6.4GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
12.8GB/s

TDP
2W
TDP
2W

iGPU
iGPU
Shaders
32
Shaders
64
Boost Clock
450MHz
Boost Clock
562MHz
··
57.6 GFLOPSFP16
··
71.94 GFLOPSFP16

NPU Model
-
NPU Model
H11 Mercury
NPU Cores
-
NPU Cores
2
Performance
-
Performance
1.3 TOPSFP16

Manufacturer
Manufacturer
ISA
AArch32
ISA
AArch64
Architecture
Architecture
Family
Family
Branding
S2  branding
Branding
S5  branding
Codename
Cortex-A7P-Core
Codename
TempestP-Core
Market Segment
Smartwatch
Market Segment
Smartwatch
Release Date
Sep 16, 2016
Release Date
Sep 25, 2019

Foundry
Samsung
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
N7
Die Size
34mm²
Die Size
38mm²
Transistor Count
338 Million
Transistor Count
-
Transistor Density
10 MTr/mm²
Transistor Density
-

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