AMD Phenom II X4 B99 vs Apple A8X
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CPU comparison with benchmarks
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| AMD Phenom II X4 B99 | Apple A8X | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X4 B99 and the Apple A8X and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X4 B99 4 core processor released in Q2/2010 with the Apple A8X which has 3 CPU cores and was introduced in Q3/2014. |
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| AMD Phenom II (52) | Family | Apple A series (22) |
| AMD Phenom II - 800/900 (23) | CPU group | Apple A8/A8X (2) |
| 4 | Generation | 8 |
| Deneb (K10) | Architecture | A8 |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | Apple A6X |
| -- | Successor | Apple A9X |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 B99 is a 4 core processor with a clock frequency of 3.30 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 Phenom II X4 B99 | Characteristic | Apple A8X |
| 4 | Cores | 3 |
| 4 | Threads | 3 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| Yes | Overclocking ? | No |
| 3.30 GHz | Frequency | 1.50 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Internal GraphicsGraphics (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 GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 B99, 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 Phenom II X4 B99 | Characteristic | Apple A8X |
| DDR3-1333, DDR2-1066 | Memory | LPDDR3-1600 |
| 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 |
| -- | L2 Cache | 2.00 MB |
| 6.00 MB | L3 Cache | 4.00 MB |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Phenom II X4 B99 has a TDP of 95 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 Phenom II X4 B99 | Characteristic | Apple A8X |
| 95 W | TDP (PL1 / PBP) | 8 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 B99 has 6.00 MB cache and is manufactured in 45 nm. The cache of Apple A8X is at 6.00 MB. The processor is manufactured in 20 nm. |
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| AMD Phenom II X4 B99 | Characteristic | Apple A8X |
| 45 nm | Technology | 20 nm |
| Unknown | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
| SSE3, SSE4a | ISA extensions | -- |
| AM3 | Socket | -- |
| AMD-V | Virtualization | None |
| No | AES-NI | No |
| Windows 10, Linux | Operating systems | iOS |
| Q2/2010 | Release date | Q3/2014 |
| -- | Release price | -- |
| show more data | show more data | |
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Average performance in benchmarks
⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
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Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
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iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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AMD Phenom II X4 B99
@ 0.00 GHz |
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Apple A8X
Apple A8X @ 0.45 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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Apple A8X
3C 3T @ 1.50 GHz |
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Devices using this processor |
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| AMD Phenom II X4 B99 | Apple A8X |
| Unknown | Apple iPad Air 2 |
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