AMD Athlon II X4 651K | Apple A8X | |
CPU comparisonIn this CPU comparison, we compare the AMD Athlon II X4 651K and the Apple A8X and use benchmarks to check which processor is faster.
We compare the AMD Athlon II X4 651K 4 core processor released in Q4/2011 with the Apple A8X which has 3 CPU cores and was introduced in Q3/2014. |
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AMD Athlon II (52) | Family | Apple A series (22) |
AMD Athlon II X4 (Llano) (5) | CPU group | Apple A8/A8X (2) |
2 | Generation | 8 |
Llano | Architecture | A8 |
Desktop / Server | Segment | Mobile |
-- | Predecessor | Apple A6X |
-- | Successor | Apple A9X |
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CPU Cores and Base FrequencyThe AMD Athlon II X4 651K is a 4 core processor with a clock frequency of 3.00 GHz. The processor can compute 4 threads at the same time. The Apple A8X clocks with 1.50 GHz, has 3 CPU cores and can calculate 3 threads in parallel. |
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AMD Athlon II X4 651K | Characteristic | Apple A8X |
4 | Cores | 3 |
4 | Threads | 3 |
normal | Core architecture | normal |
No | Hyperthreading | No |
Yes | Overclocking ? | No |
3.00 GHz | Frequency | 1.50 GHz |
-- | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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no iGPU | GPU | Apple A8X |
GPU frequency | 0.45 GHz | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 5 |
Technology | 20 nm | |
Max. displays | 1 | |
-- | Compute units | 32 |
-- | Shader | 256 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 GB |
-- | DirectX Version | -- |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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no iGPU | GPU | Apple A8X |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
No | Codec h264 | Decode |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
No | Codec AVC | Decode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 16 GB of memory in a maximum of 2 memory channels is supported by the AMD Athlon II X4 651K, while the Apple A8X supports a maximum of 2 GB of memory with a maximum memory bandwidth of 12.8 GB/s enabled. |
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AMD Athlon II X4 651K | Characteristic | Apple A8X |
DDR3-1333 | Memory | LPDDR3-1600 |
16 GB | Max. Memory | 2 GB |
2 (Dual Channel) | Memory channels | 1 (Single Channel) |
21.3 GB/s | Max. Bandwidth | 12.8 GB/s |
No | ECC | No |
4.00 MB | L2 Cache | 2.00 MB |
-- | L3 Cache | 4.00 MB |
2.0 | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Athlon II X4 651K has a TDP of 100 W. The TDP of the Apple A8X is 8 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Athlon II X4 651K | Characteristic | Apple A8X |
100 W | TDP (PL1 / PBP) | 8 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Athlon II X4 651K has 4.00 MB cache and is manufactured in 32 nm. The cache of Apple A8X is at 6.00 MB. The processor is manufactured in 20 nm. |
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AMD Athlon II X4 651K | Characteristic | Apple A8X |
32 nm | Technology | 20 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
MMX, 3DNow!, SSE3, SSE4a | ISA extensions | -- |
FM1 | Socket | -- |
AMD-V | Virtualization | None |
No | AES-NI | No |
Windows 10, Linux | Operating systems | iOS |
Q4/2011 | Release date | Q3/2014 |
-- | Release price | -- |
show more data | show more data | |
AMD Athlon II X4 651K
4C 4T @ 3.00 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
AMD Athlon II X4 651K
4C 4T @ 3.00 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
AMD Athlon II X4 651K
4C 4T @ 3.00 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
AMD Athlon II X4 651K
4C 4T @ 3.00 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
AMD Athlon II X4 651K
4C 4T @ 3.00 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
AMD Athlon II X4 651K
@ 0.00 GHz |
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Apple A8X
Apple A8X @ 0.45 GHz |
Devices using this processor |
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AMD Athlon II X4 651K | Apple A8X |
Unknown | Apple iPad Air 2 |