Pentium 987 vs Core i5-7400

Primary details

Comparing Core i5-7400 and Pentium 987 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1458	not rated
Place by popularity	40	not in top-100
Cost-effectiveness evaluation	3.44	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i5	Intel Pentium
Architecture codename	Kaby Lake (2016−2019)	Sandy Bridge (2011−2013)
Release date	3 January 2017 (7 years ago)	1 February 2013 (11 years ago)
Launch price (MSRP)	$182	$134
Current price	$88 (0.5x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-7400 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	3 GHz	1.5 GHz
Boost clock speed	3.5 GHz	1.5 GHz
Bus support	8 GT/s	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	6 MB (shared)	2 MB (shared)
Chip lithography	14 nm	32 nm
Die size	no data	131 mm2
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i5-7400 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	FCLGA1151	FCBGA1023
Power consumption (TDP)	65 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7400 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	+
AVX	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	-
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	no data	+
Fast Memory Access	no data	+
Status	Discontinued	Discontinued

Security technologies

Core i5-7400 and Pentium 987 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-7400 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 i5-7400 and Pentium 987. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3
Maximum memory size	64 GB	16.38 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	21.3 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 630	Intel® HD Graphics for 2nd Generation Intel® Processors
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	-
Graphics max frequency	1 GHz	1 GHz
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Core i5-7400 and Pentium 987 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-7400 and Pentium 987 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core i5-7400 and Pentium 987 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-7400 and Pentium 987.

PCIe version	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	3 January 2017	1 February 2013
Physical cores	4	2
Threads	4	2
Cost	$182	$134
Chip lithography	14 nm	32 nm
Power consumption (TDP)	65 Watt	17 Watt

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Should you still have questions on choice between Core i5-7400 and Pentium 987, ask them in Comments section, and we shall answer.

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