Core i5-1155G7 vs Atom Z520PT

Primary details

Comparing Atom Z520PT and Core i5-1155G7 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	980
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Atom	Tiger Lake
Architecture codename	Silverthorne (2008−2010)	Tiger Lake-UP3
Release date	2 March 2009 (15 years ago)	31 May 2021 (3 years ago)

Detailed specifications

Atom Z520PT and Core i5-1155G7 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	1 (Single-Core)	4 (Quad-Core)
Threads	2	8
Base clock speed	1.33 GHz	2.5 GHz
Boost clock speed	0.03 GHz	4.5 GHz
Bus support	533.33 MT/s	no data
L1 cache	56 KB	96K (per core)
L2 cache	512 KB (per core)	1.25 MB (per core)
L3 cache	0 KB	8 MB (shared)
Chip lithography	45 nm	10 nm SuperFin
Die size	24.18 mm27.8 mm × 3.1 mm	no data
Maximum core temperature	90 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	47 million	no data
64 bit support	-	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No
VID voltage range	0.9V-1.1V	no data

Compatibility

Information on Atom Z520PT and Core i5-1155G7 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 (Uniprocessor)	1
Socket	FCBGA437,PBGA441	FCBGA1449
Power consumption (TDP)	2.2 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z520PT and Core i5-1155G7. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	no data	+
FMA	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	+	+
TSX	no data	+
Idle States	+	+
Thermal Monitoring	+	+
SIPP	no data	-
Demand Based Switching	-	no data
FSB parity	-	no data
Status	Discontinued	Discontinued

Security technologies

Atom Z520PT and Core i5-1155G7 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z520PT and Core i5-1155G7 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z520PT and Core i5-1155G7. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR4
Maximum memory size	no data	64 GB
Max memory channels	no data	2
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel® Iris® Xe Graphics eligible
Quick Sync Video	-	+
Clear Video HD	-	+
Graphics max frequency	-	1.35 GHz
Execution Units	-	80

Graphics interfaces

Available interfaces and connections of Atom Z520PT and Core i5-1155G7 integrated GPUs.

Number of displays supported

-

4

Graphics image quality

Maximum display resolutions supported by Atom Z520PT and Core i5-1155G7 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	-	4096x2304@60Hz
Max resolution over eDP	-	4096x2304@60Hz
Max resolution over DisplayPort	-	7680x4320@60Hz

Graphics API support

APIs supported by Atom Z520PT and Core i5-1155G7 integrated GPUs, sometimes API versions are included.

DirectX	-	12.1
OpenGL	-	4.6

Peripherals

Specifications and connection of peripherals supported by Atom Z520PT and Core i5-1155G7.

PCIe version	no data	4.0
PCI Express lanes	no data	16

Pros & cons summary

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Recency	2 March 2009	31 May 2021
Physical cores	1	4
Threads	2	8
Chip lithography	45 nm	10 nm
Power consumption (TDP)	2 Watt	28 Watt

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