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Apple A8X vs AMD GX-420CA
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 6 Single-Core
Single-core performance
Apple A8X
100 %
3C / 3T · 1.50 GHz
AMD GX-420CA
54 %
4C / 4T · 2.00 GHz
Geekbench 6 Multi-Core
Multi-core performance
Apple A8X
100 %
3C / 3T · 1.50 GHz
AMD GX-420CA
71 %
4C / 4T · 2.00 GHz
Geekbench 5, 64bit Single-Core
Single-core performance
Apple A8X
100 %
3C / 3T · 1.50 GHz
AMD GX-420CA
67 %
4C / 4T · 2.00 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
Apple A8X
100 %
3C / 3T · 1.50 GHz
AMD GX-420CA
81 %
4C / 4T · 2.00 GHz
iGPU - FP32 Performance (Single-precision GFLOPS)
Apple A8X
100 %
Apple A8X
AMD GX-420CA
67 %
AMD Radeon HD 8400
More benchmarks
Specifications
At a glance
|
Wischen
|
Apple A8X | AMD GX-420CA |
|---|---|---|
| Family | Apple A series (27) | AMD G (38) |
| CPU group | Apple A8/A8X (2) | AMD G-Series 1st Gen (9) |
| Architecture | A8 | Temash (Jaguar) |
| Technology | 20 nm | 28 nm |
| Segment | Smartphone / Tablet | Notebook |
| Socket | FT3 | |
| Predecessor | Apple A6X | |
| Successor | Apple A9X |
CPU Cores and Base Frequency
|
Wischen
|
Apple A8X | AMD GX-420CA |
|---|---|---|
| CPU Cores / Threads | 3 / 3 | 4 / 4 |
| Hyperthreading / SMT | ✗ | ✗ |
| Core architecture | normal | normal |
| Cores: | 3x Typhoon | 4x Jaguar |
| Frequency: | 1.50 GHz | 2.00 GHz |
| Turbo (1 Core): | ||
| Turbo (All Cores): | ||
| L2-Cache | 2.00 MB | 2.00 MB |
| L3-Cache | 4.00 MB | |
| Overclocking | ✗ | ✓ |
Integrated graphics (iGPU)
|
Wischen
|
Apple A8X | AMD GX-420CA |
|---|---|---|
| GPU name | Apple A8X | AMD Radeon HD 8400 |
| GPU frequency | 0.45 GHz | 0.60 GHz |
| CUs / Shader | 32 / 256 | 2 / 128 |
| Raytracing | ✗ | ✗ |
| Max. displays | 1 | 2 |
| Max. GPU Memory | 2 GB | 2 GB |
| Technology | 20 nm | 28 nm |
| Release date | Q3/2014 | Q2/2013 |
NPU AI performance
|
Wischen
|
Apple A8X | AMD GX-420CA |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Apple A8X | AMD GX-420CA |
|---|---|---|
| Memory | LPDDR3-1600 (12.8 GB/s) | DDR3-1600 (12.8 GB/s) |
| Max. Memory | 2 GB | 16 GB |
| Memory channels | 1 | 1 |
| ECC | No | Yes |
| PCIe | 2.0 x 8 | |
| PCIe Bandwidth | 4.0 GB/s |
Thermal Management
|
Wischen
|
Apple A8X | AMD GX-420CA |
|---|---|---|
| TDP | 8 W | 25 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | ||
| T. junction max. | 90 °C |
Technical details
|
Wischen
|
Apple A8X | AMD GX-420CA |
|---|---|---|
| Chip design | Chiplet | Monolithic |
| AES-NI | ✗ | ✓ |
| Operating systems | iOS | Windows 10, Linux |
| Instruction set | Armv8-A (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | |
| Release date | Q3/2014 | Q2/2013 |
| Release price | ||
| Documents | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of Apple A8X is 3.8 stars (18 ratings), while AMD GX-420CA has received 3.8 stars (6 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
1
Apple M5 Max (18-CPU 32-GPU)
18C / 18T · 4.61 GHz
2
Apple M2 Ultra (76-GPU)
24C / 24T · 3.50 GHz
3
Apple M5 Max (18-CPU 40-GPU)
18C / 18T · 4.61 GHz
4
Apple M1 Ultra (48-GPU)
20C / 20T · 3.20 GHz
5
Apple M5 Pro (15-CPU 16-GPU)
15C / 15T · 4.61 GHz
6
Apple M2 Ultra (60-GPU)
24C / 24T · 3.50 GHz
7
Apple M1 Pro (8-CPU)
8C / 8T · 3.20 GHz
8
Apple A8X
3C / 3T · 0.00 GHz
9
AMD GX-420CA
4C / 4T · 0.00 GHz
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