Pentium 987 vs Core i5-4590T

Primary details

Comparing Core i5-4590T and Pentium 987 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1642	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.52	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Pentium
Architecture codename	no data	Sandy Bridge (2011−2013)
Release date	1 April 2014 (10 years ago)	1 February 2013 (11 years ago)
Launch price (MSRP)	no data	$134
Current price	$155	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-4590T and Pentium 987 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)	2 (Dual-core)
Threads	4	2
Base clock speed	2 GHz	1.5 GHz
Boost clock speed	3 GHz	1.5 GHz
Bus support	no data	4 × 5 GT/s
L1 cache	no data	128 KB
L2 cache	no data	512 KB
L3 cache	6 MB Intel® Smart Cache	2 MB (shared)
Chip lithography	22 nm	32 nm
Die size	no data	131 mm2
Maximum core temperature	66 °C	100 °C
Number of transistors	no data	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i5-4590T and Pentium 987 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
Socket	FCLGA1150	FCBGA1023
Power consumption (TDP)	35 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-4590T and Pentium 987. 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	+	-
FMA	no data	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	-
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	-	-
TSX	-	no data
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	+	no data
Demand Based Switching	no data	-
FDI	+	+
Fast Memory Access	no data	+
Status	Discontinued	Discontinued

Security technologies

Core i5-4590T and Pentium 987 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-4590T and Pentium 987 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-4590T and Pentium 987. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1333, DDR3-1600, DDR3L-1333, DDR3L-1600	DDR3
Maximum memory size	32 GB	16.38 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21.3 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4600	Intel® HD Graphics for 2nd Generation Intel® Processors
Max video memory	2 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	-
Graphics max frequency	1.15 GHz	1 GHz
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Core i5-4590T and Pentium 987 integrated GPUs.

Number of displays supported	3	2
eDP	+	+
DisplayPort	+	+
HDMI	+	+
VGA	+	no data
SDVO	no data	+
CRT	no data	+

Graphics image quality

Maximum display resolutions supported by Core i5-4590T and Pentium 987 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core i5-4590T and Pentium 987 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 i5-4590T and Pentium 987.

PCIe version	Up to 3.0	2.0
PCI Express lanes	16	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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Pros & cons summary

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Recency	1 April 2014	1 February 2013
Physical cores	4	2
Threads	4	2
Chip lithography	22 nm	32 nm
Power consumption (TDP)	35 Watt	17 Watt

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Should you still have questions on choice between Core i5-4590T and Pentium 987, ask them in Comments section, and we shall answer.

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