CPUs

Apple A5 (iPad) vs Apple A15 Bionic (iPad) Full Specs

2 Cores
2 Threads
1GHz
6 Cores(2P+4E)
6 Threads(2P+4E)
2.93GHz
TDP
5W
TDP
5W
Bandwidth
6.4GB/s
LPDDR2
Bandwidth
34.1GB/s
LPDDR4X
iGPU
iGPU
··
17.02 GFLOPSFP32
··
1.71 TFLOPSFP16

A5 (iPad)A5 (iPad)-
-
A15 Bionic (iPad)A15 Bionic (iPad)2,157
x1

2 Cores
2P
-
6 Cores
2P
4E
2 Threads
2P
-
6 Threads
2P
4E

Base Clock
1GHz
Base Clock
2.93GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB P
-
L1i
192KB P
128KB E
L1d
32KB P
-
L1d
128KB P
64KB E
L2
1MB P shared
-
L2
12MB P shared
4MB E shared
SLC Cache
-
SLC Cache
32MB

Type
LPDDR2
Type
LPDDR4X
Max Memory
512MB
Max Memory
4GB
ECC
No
ECC
No
Channels
2
Channels
1
Bus Width
64-bit
Bus Width
64-bit
Speed
800MT/s
Speed
4266MT/s
Bandwidth
6.4GB/s
Bandwidth
34.1GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
6.4GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
34.1GB/s

TDP
5W
TDP
5W

-
PCIe
PCIe 4.0 x4
7.9GB/sBandwidth

iGPU
iGPU
Shaders
32
Shaders
640
Boost Clock
266MHz
Boost Clock
1.34GHz
··
17.02 GFLOPSFP32
··
1.71 TFLOPSFP16

NPU Model
-
NPU Model
H14 Bia
NPU Cores
-
NPU Cores
16
NPU Clock
-
NPU Clock
1.94GHz
Performance
-
Performance
15.8 TOPSFP16

Manufacturer
Manufacturer
ISA
AArch32
ISA
AArch64
Architecture
Architecture
Family
Family
Branding
A5  branding
Branding
A15  branding
Codename
A5
-
Cortex-A9P-Core
-
Codename
Ellis
A15Variant
AvalancheP-Core
BlizzardE-Core
Market Segment
Tablet
Market Segment
Tablet
Release Date
Mar 11, 2011
Release Date
Sep 24, 2021

Foundry
Samsung
Foundry
TSMC
Fabrication Node
45nm
Fabrication Node
N5P
Die Size
122mm²
Die Size
108mm²
Transistor Count
-
Transistor Count
15 Billion
Transistor Density
-
Transistor Density
139 MTr/mm²

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