Apple A5X vs Intel Core i9-11900K

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CPU comparison with benchmarks


Apple A5X CPU1 vs CPU2 Intel Core i9-11900K
Apple A5X Intel Core i9-11900K

CPU comparison

Apple A5X or Intel Core i9-11900K - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Apple A5X has 2 cores with 2 threads and clocks with a maximum frequency of 1.00 GHz. Up to 1 GB of memory is supported in 4 memory channels. The Apple A5X was released in Q1/2011.

The Intel Core i9-11900K has 8 cores with 16 threads and clocks with a maximum frequency of 5.30 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i9-11900K was released in Q1/2021.
Apple A series (22) Family Intel Core i9 (78)
Apple A5/A5X (2) CPU group Intel Core i 11000 (22)
5 Generation 11
A5 Architecture Rocket Lake S
Mobile Segment Desktop / Server
-- Predecessor Intel Core i9-10900K
Apple A6X Successor Intel Core i9-12900K

CPU Cores and Base Frequency

The Apple A5X has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Apple A5X is 1.00 GHz while the Intel Core i9-11900K has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Core i9-11900K is at 3.50 GHz (5.30 GHz).

Apple A5X Characteristic Intel Core i9-11900K
2 Cores 8
2 Threads 16
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? Yes
1.00 GHz Frequency 3.50 GHz
-- Turbo Frequency (1 Core) 5.30 GHz
-- Turbo Frequency (All Cores) 4.80 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Apple A5X Characteristic Intel Core i9-11900K
-- AI hardware --
-- AI specifications --

Internal Graphics

The Apple A5X or Intel Core i9-11900K has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

PowerVR SGX543MP4 (4 Cores) GPU Intel UHD Graphics 750
0.20 GHz GPU frequency 0.35 GHz
-- GPU (Turbo) 1.30 GHz
-- GPU Generation 12
45 nm Technology 14 nm
1 Max. displays 3
8 Compute units 32
64 Shader 256
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
10 DirectX Version 12

Hardware codec support

A 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.

PowerVR SGX543MP4 (4 Cores) GPU Intel UHD Graphics 750
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Apple A5X can use up to 1 GB of memory in 4 memory channels. The maximum memory bandwidth is 12.8 GB/s. The Intel Core i9-11900K supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s.

Apple A5X Characteristic Intel Core i9-11900K
LPDDR2-800 Memory DDR4-3200
1 GB Max. Memory 128 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
12.8 GB/s Max. Bandwidth 51.2 GB/s
No ECC No
1.00 MB L2 Cache 4.00 MB
-- L3 Cache 16.00 MB
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The thermal design power (TDP for short) of the Apple A5X is --, while the Intel Core i9-11900K has a TDP of 125 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Apple A5X Characteristic Intel Core i9-11900K
-- TDP (PL1 / PBP) 125 W
-- TDP (PL2) 251 W @ 56 s
-- TDP up --
-- TDP down 95 W
-- Tjunction max. 100 °C

Technical details

The Apple A5X is manufactured in 32 nm and has 1.00 MB cache. The Intel Core i9-11900K is manufactured in 14 nm and has a 20.00 MB cache.

Apple A5X Characteristic Intel Core i9-11900K
32 nm Technology 14 nm
Chiplet Chip design Monolithic
Armv7-A (32 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
-- Socket LGA 1200
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
iOS Operating systems Windows 10, Windows 11, Linux
Q1/2011 Release date Q1/2021
-- Release price 539 $
show more data show more data


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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.
Apple A5X Apple A5X
PowerVR SGX543MP4 (4 Cores) @ 0.20 GHz
26 (4%)
Intel Core i9-11900K Intel Core i9-11900K
Intel UHD Graphics 750 @ 1.30 GHz
666 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
1686 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
16211 (100%)

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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
1878 (100%)

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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
11645 (100%)

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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
2491 (100%)

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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
12679 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
650 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
6187 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
243 (100%)

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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
25385 (100%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
676 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 3.50 GHz
6539 (100%)

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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
262 (100%)

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.
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
2515 (100%)

Devices using this processor

Apple A5X Intel Core i9-11900K
Apple iPad 2 (3. Gen) Unknown

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