A9X vs A8 (iPad)
A9X
A8 (iPad)
|
2 Cores
2 Threads
2.26GHz Clock
|
2 Cores
2 Threads
1.5GHz Clock
|
|
Socket
Unknown
|
Socket
Unknown
|
|
iGPU
PowerVR GT7850 A9X
500 GFLOPS FP32
|
iGPU
PowerVR GX6450 A8
140 GFLOPS FP32
|
|
GB6S 760
19%
|
GB6S 430
11%
|
|
GB6M 1,160
4%
|
GB6M 660
2%
|
|
CB23S N/A
0%
|
CB23S N/A
0%
|
|
CB23M N/A
0%
|
CB23M N/A
0%
|
|
Manufacturer
Apple
|
Manufacturer
Apple
|
|
Architecture
Apple Silicon 4
|
Architecture
Apple Silicon 3
|
|
Family
A Series
|
Family
A Series
|
|
Instruction Set (ISA)
AArch64
|
Instruction Set (ISA)
AArch64
|
|
Codename
Elba
-
A9X
-
Twister
-
-
-
-
|
Codename
Fiji
-
A8
-
Typhoon
-
-
-
-
|
|
Market Segment
Tablet
|
Market Segment
Tablet
|
|
Release Date
11/11/2015
|
Release Date
9/9/2015
|
|
Foundry
TSMC
-
-
-
|
Foundry
TSMC
-
-
-
|
|
Node
16FF+
-
-
-
|
Node
20nm
-
-
-
|
|
Die Size
144 mm²
-
-
-
|
Die Size
89 mm²
-
-
-
|
|
Transistor Count
3.5 Billion
-
-
-
|
Transistor Count
2 Billion
-
-
-
|
|
Unknown
|
Unknown
|
|
2 Cores
-
-
-
|
2 Cores
-
-
-
|
|
2 Threads
-
-
-
|
2 Threads
-
-
-
|
|
-
2.26GHz
-
-
|
-
1.5GHz
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
Overclocking
Locked
-
-
-
|
Overclocking
Locked
-
-
-
|
|
Integrated Chipset
-
|
Integrated Chipset
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
L0 Instruction
-
-
|
L0 Instruction
-
-
|
|
L0 Data
-
-
|
L0 Data
-
-
|
|
L1 Instruction
64KB/Core
4-way set associative
-
-
-
-
|
L1 Instruction
64KB/Core
4-way set associative
-
-
-
-
|
|
L1 Data
64KB/Core
4-way set associative
-
-
-
-
|
L1 Data
64KB/Core
4-way set associative
-
-
-
-
|
|
L2
-
-
3MB Shared
12-way set associative
-
-
-
-
-
-
-
-
|
L2
-
-
1MB Shared
16-way set associative
-
-
-
-
-
-
-
-
|
|
-
-
-
-
-
-
-
-
-
-
|
L3
-
4MB Shared
-
16-way set associative
-
-
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
Channels
2
|
Channels
1
|
|
Max Memory
2GB
|
Max Memory
2GB
|
|
ECC
Not Supported
|
ECC
Not Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
64Bit
|
|
Clock
1600MHz
Transfer Rate
3200MT/s
|
Clock
800MHz
Transfer Rate
1600MT/s
|
|
Bandwidth/Channel
25.6GB/s
Bandwidth
51.2GB/s
|
Bandwidth/Channel
12.8GB/s
Bandwidth
12.8GB/s
|
|
TDP
8W
-
-
-
|
TDP
6W
-
-
-
|
|
-
-
-
|
-
-
-
|
|
Included Cooler
Not Included
|
Included Cooler
Not Included
|
|
No PCIe
|
No PCIe
|
|
PowerVR GT7850 A9X
384 Shaders
650MHz
500 GFLOPS FP32
|
PowerVR GX6450 A8
128 Shaders
533MHz
140 GFLOPS FP32
|
|
No NPU
-
|
No NPU
-
|
|
-
-
|
-
-
|
|
-
|
-
|
|
-
-
|
-
-
|
|
No Cellular
|
No Cellular
|
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