AMD Phenom II X4 840 vs Intel Atom Z3775

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Phenom II X4 840 or AMD Phenom II X4 840 – 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 Phenom II X4 840 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2011 and belongs to the 5 generation of the AMD Phenom II series.
To use the AMD Phenom II X4 840, you'll need a motherboard with a AM3 socket.
The Intel Atom Z3775 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2014 and belongs to the 4 generation of the Intel Atom series.
To use the Intel Atom Z3775, you'll need a motherboard with a BGA 1380 socket.
Desktop / Server Segment Mobile
AMD Phenom II X4 840 Name Intel Atom Z3775
AMD Phenom II Family Intel Atom
5 Generation 4
AMD Phenom II - 840/850 Group Intel Atom Z3700
 
 

CPU Cores and Base Frequency

The AMD Phenom II X4 840 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Phenom II X4 840 is 3.2 GHz
The Intel Atom Z3775 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Atom Z3775 is 1.46 GHz
and turbo frequency for one core is 2.39 GHz.
normal Core architecture normal
3.2 GHz Frequency 1.46 GHz
None None 2.39 GHz
4 Threads 4
Yes Overclocking No
No Hyperthreading No
4 CPU Cores 4
4x Cores 4x
 
 

Internal Graphics

The AMD Phenom II X4 840 does not have integrated graphics.
The Intel Atom Z3775 has integrated graphics, called iGPU for short.
Specifically, the Intel Atom Z3775 uses the Intel HD Graphics (Bay Trail GT1), which has 32 texture shaders
and 4 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- GPU frequency 0.31 GHz
-- Release date Q3/2013
-- Direct X 11.2
GPU name Intel HD Graphics (Bay Trail GT1)
-- Technology 22 nm
-- Max. displays --
-- Shaders 32
0 bytes Max. GPU Memory 2.0 GB
-- Execution units 4
-- Generation 7
-- GPU (Turbo) 0.78 GHz
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 4.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 17.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
0 bytes Max. Memory 4.0 GB
pci PCIe pci
No AES-NI Yes
No ECC No
-- Bandwidth 17.1 GB/s
DDR3-1333, DDR2-1066 Memory type LPDDR3-1066
 
 

Thermal Management

The processor has a thermal design power (TDP) of 95 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 3.5 W watts.
-- Tjunction max 90 °C
95 W TDP (PL1 / PBP) 3.5 W
 
 

Technical details

The AMD Phenom II X4 840 is manufactured using a 45 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 2.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Atom Z3775 is manufactured using a 22 nm process.
Q1/2011 Release date Q1/2014
-- Part Number --
0 bytes L2-Cache 0 bytes
AMD-V Virtualization VT-x, VT-x EPT
SSE3, SSE4a ISA extensions SSE4.1, SSE4.2
-- Chip design Monolithic
Propus Architecture Bay Trail
45 nm Technology 22 nm
AM3 Socket BGA 1380
Windows 10, Linux Operating systems
-- Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
2.0 MB L3-Cache 2.0 MB