Pentium Gold G5420T vs i7-5557U

Primary details

Comparing Core i7-5557U and Pentium Gold G5420T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1951	1865
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i7	Intel Pentium Gold
Power efficiency	6.62	5.81
Architecture codename	Broadwell-U (2015)	Coffee Lake (2017−2019)
Release date	1 March 2015 (9 years ago)	23 April 2019 (5 years ago)
Launch price (MSRP)	$426	$64

Detailed specifications

Core i7-5557U and Pentium Gold G5420T 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	2 (Dual-core)	2 (Dual-core)
Threads	4	4
Base clock speed	3.1 GHz	3.2 GHz
Boost clock speed	3.4 GHz	3.2 GHz
Bus type	no data	DMI 3.0
Bus rate	5 GT/s	4 × 8 GT/s
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	4 MB (shared)	4 MB
Chip lithography	14 nm	14 nm
Die size	133 mm2	126 mm2
Maximum core temperature	105 °C	88 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1900 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i7-5557U and Pentium Gold G5420T 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	FCBGA1168	FCLGA1151
Power consumption (TDP)	28 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5557U and Pentium Gold G5420T. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	+	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-5557U and Pentium Gold G5420T technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	+
MPX	-	+
Identity Protection	+	+
SGX	no data	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5557U and Pentium Gold G5420T are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5557U and Pentium Gold G5420T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2400
Maximum memory size	16 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	38.397 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel Iris Graphics 6100	Intel UHD Graphics 610
Max video memory	16 GB	64 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.1 GHz	1.05 GHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i7-5557U and Pentium Gold G5420T integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-5557U and Pentium Gold G5420T integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	2560x1600@60Hz	4096x2304@24Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	3840x2160@60Hz	4096x2304@60Hz

Graphics API support

APIs supported by Core i7-5557U and Pentium Gold G5420T integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	12
OpenGL	4.3	4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-5557U and Pentium Gold G5420T.

PCIe version	2.0	3.0
PCI Express lanes	12	16

Synthetic benchmark performance

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

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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.

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Pros & cons summary

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Performance score	1.96	2.15
Integrated graphics card	2.34	1.89
Recency	1 March 2015	23 April 2019
Power consumption (TDP)	28 Watt	35 Watt

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Should you still have questions on choice between Core i7-5557U and Pentium Gold G5420T, ask them in Comments section, and we shall answer.

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