AMD Athlon II X4 638 vs Apple M1 Ultra (64-GPU)

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Athlon II X4 638 or AMD Athlon II X4 638 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The AMD Athlon II X4 638 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2012 and belongs to the 2 generation of the AMD Athlon II series.
To use the AMD Athlon II X4 638, you'll need a motherboard with a FM1 socket.
The Apple M1 Ultra (64-GPU) features 20 processor cores and has the capability to manage 20 threads concurrently.
It was released in Q1/2022 and belongs to the 1 generation of the Apple M series series.
Desktop / Server Segment Mobile
AMD Athlon II X4 638 Name Apple M1 Ultra (64-GPU)
AMD Athlon II Family Apple M series
2 Generation 1
AMD Athlon II X4 (Llano) Group Apple M1
 
 

CPU Cores and Base Frequency

The AMD Athlon II X4 638 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Athlon II X4 638 is 2.7 GHz
The Apple M1 Ultra (64-GPU) has 20 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the A-Core is 3.2 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
4 Threads 20
No Hyperthreading No
4x Cores None
None None 2.06 GHz
None None 3.2 GHz
None None 4x Icestorm
None None 16x Firestorm
No Overclocking No
normal Core architecture hybrid (big.LITTLE)
2.7 GHz Frequency None
4 CPU Cores 20
 
 

Internal Graphics

The AMD Athlon II X4 638 does not have integrated graphics.
The Apple M1 Ultra (64-GPU) has integrated graphics, called iGPU for short.
Specifically, the Apple M1 Ultra (64-GPU) uses the Apple M1 Ultra (64 Core), which has 8192 texture shaders
and 1024 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- GPU frequency 1.3 GHz
-- Release date Q1/2022
-- Direct X --
GPU name Apple M1 Ultra (64 Core)
-- Technology 5 nm
-- Max. displays --
-- Shaders 8192
0 bytes Max. GPU Memory 64.0 GB
-- Execution units 1024
-- Generation 1
-- GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications 32 Neural cores @ 22 TOPS
-- AI hardware Apple Neural Engine
 
 

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.
-- AVC Decode
-- VC-1 Decode
-- VP9 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- h264 Decode / Encode
-- VP8 Decode
-- h265 / HEVC (8 bit) Decode / Encode
-- JPEG Decode / Encode
-- AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 128.0 GB distributed across 8 memory channels. It offers a peak memory bandwidth of 819.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 8
16.0 GB Max. Memory 128.0 GB
pci PCIe pci
No AES-NI Yes
No ECC No
21.3 GB/s Bandwidth 819.2 GB/s
DDR3-1333 Memory type LPDDR5-6400
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 60 W watts.
None TDP up 120 W
-- Tjunction max --
65 W TDP (PL1 / PBP) 60 W
 
 

Technical details

The AMD Athlon II X4 638 is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Apple M1 Ultra (64-GPU) is manufactured using a 5 nm process.
Q1/2012 Release date Q1/2022
AD638XOJGXBOX Part Number --
4.0 MB L2-Cache 52.0 MB
AMD-V Virtualization Apple Virtualization Framework
SSE3, SSE4a, MMX, 3DNow! ISA extensions Rosetta 2 x86-Emulation
-- Chip design Chiplet
Llano Architecture M1
32 nm Technology 5 nm
FM1 Socket
Windows 10, Linux Operating systems macOS
-- Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) ARMv8-A64 (64 bit)
0 bytes L3-Cache 0 bytes
 
 

AMD Athlon II X4 638 and Apple M1 Ultra (64-GPU) in leaderboards