Atom x5-Z8550 vs i5-4440

Primary details

Comparing Core i5-4440 and Atom x5-Z8550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1631	2671
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.29	no data
Market segment	Desktop processor	Laptop
Series	no data	5x Intel Atom
Power efficiency	3.40	no data
Architecture codename	Haswell (2013−2015)	Cherry Trail (2015−2016)
Release date	1 September 2013 (11 years ago)	8 February 2016 (8 years ago)
Launch price (MSRP)	$335	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-4440 and Atom x5-Z8550 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	4 (Quad-Core)
Threads	4	4
Base clock speed	3.1 GHz	1.44 GHz
Boost clock speed	3.3 GHz	2.4 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	2 MB
L3 cache	6 MB (shared)	0 KB
Chip lithography	22 nm	14 nm
Die size	177 mm2	no data
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-4440 and Atom x5-Z8550 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1 (Uniprocessor)
Socket	FCLGA1150	UTFCBGA1380
Power consumption (TDP)	84 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-4440 and Atom x5-Z8550. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	no data	-
FDI	+	no data

Security technologies

Core i5-4440 and Atom x5-Z8550 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Boot	no data	+
Secure Key	+	no data
Identity Protection	+	+
OS Guard	+	no data
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-4440 and Atom x5-Z8550 are enumerated here.

VT-d	+	no data
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-4440 and Atom x5-Z8550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 4600	Intel HD Graphics 400 (Braswell)
Max video memory	2 GB	8 GB
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	600 MHz
Execution Units	no data	12
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-4440 and Atom x5-Z8550 integrated GPUs.

Number of displays supported	3	3
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
VGA	+	no data

Graphics image quality

Maximum display resolutions supported by Core i5-4440 and Atom x5-Z8550 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096x2304@24Hz	3840x2160
Max resolution over eDP	3840x2160@60Hz	2560x1600
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	1920x1200@60Hz	no data

Graphics API support

APIs supported by Core i5-4440 and Atom x5-Z8550 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-4440 and Atom x5-Z8550.

PCIe version	Up to 3.0	2.0
PCI Express lanes	16	2
USB revision	no data	3.0
Number of USB ports	no data	3

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

---

Pros & cons summary

---

Performance score	3.13	0.76
Recency	1 September 2013	8 February 2016
Chip lithography	22 nm	14 nm

---

Should you still have questions on choice between Core i5-4440 and Atom x5-Z8550, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---