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Differences
Top features of Apple A4
Top features of Intel Atom Z2420
-
Higher clock speed1.20 GHz
0.80 GHz
Around 33% better clock speed
Specifications
Complete list of technical specificationsCPU generation and family
Let's find out which one of Apple A4 and Intel Atom Z2420 is of a more recent generation, and what segment it belongs to.
| Specification | Value |
|---|---|
| Name |
Apple A4
Intel Atom Z2420
|
| Family |
Apple A series
Intel Atom
|
| CPU group |
Apple A4
Intel Atom Z2400/Z2600
|
| Segment |
Mobile
Mobile
|
| Generation |
4
3
|
CPU Cores and Base Frequency
In this block we are going to compare Apple A4 vs Intel Atom Z2420 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.
| Specification | Value |
|---|---|
| CPU Cores / Threads |
1 / 1
1 / 2
|
| Core architecture |
normal
normal
|
| Cores |
1x Cortex-A8
1x
|
| Hyperthreading / SMT |
No
Yes
|
| Overclocking |
No
No
|
| Frequency |
0.80 GHz
1.20 GHz
|
| Turbo Frequency (1 Core) |
1.00 GHz
--
|
Internal Graphics
Common specifications for integrated graphics cards in Apple A4 and Intel Atom Z2420 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.
| Specification | Value |
|---|---|
| GPU name |
PowerVR SGX535
PowerVR SGX540
|
| GPU frequency |
0.40 GHz
|
| GPU (Turbo) |
No turbo
No turbo
|
| Execution units |
2
1
|
| Shader |
2
0
|
| Max. displays |
1
1
|
| Direct X |
10.1
10.1
|
| Technology |
65nm
45nm
|
| Release date |
Q4/2007
Q1/2008
|
Hardware codec support
Let's compare the support of video codecs between Apple A4 and Intel Atom Z2420. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.
| Specification | Value |
|---|---|
| h265 / HEVC (8 bit) |
No
No
|
| h265 / HEVC (10 bit) |
No
No
|
| h264 |
No
No
|
| VP8 |
No
No
|
| VP9 |
No
No
|
| AV1 |
No
No
|
| AVC |
No
No
|
| VC-1 |
No
No
|
| JPEG |
No
No
|
Memory & PCIe
To choose the best model between Apple A4 and Intel Atom Z2420 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.
| Specification | Value |
|---|---|
| Memory type |
LPDDR2-800
LPDDR2-800
|
| Max. Memory |
1 GB
|
| Memory channels |
1 (Single Channel)
2 (Dual Channel)
|
| Bandwidth |
--
6.4 GB/s
|
| ECC |
No
No
|
| AES-NI |
No
No
|
Thermal Management
Let's find out what TDP value would be better for Apple A4 or Intel Atom Z2420? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.
| Specification | Value |
|---|---|
| TDP (PL1) |
3 W
|
| Tjunction max. |
--
90 \xc2\xb0C
|
Technical details
Here you can find a comparison of 2nd and 3rd level cache sizes for Apple A4 and Intel Atom Z2420 CPUs along with a list of ISA extensions.
| Specification | Value |
|---|---|
| Technology |
45 nm
32 nm
|
| Chip design |
Chiplet
Monolithic
|
| Socket |
N/A
BGA 617
|
| L2-Cache |
0.51 MB
0.50 MB
|
| Architecture |
A4
Penwell
|
| Operating systems |
iOS
|
| Virtualization |
None
None
|
| Instruction set (ISA) |
ARMv7-A32 (32 bit)
x86-64 (64 bit)
|
| ISA extensions |
MMX, SSE3, SSSE3
|
| Release date |
Q2/2010
Q1/2013
|
