Pentium 977 vs i5-7Y57

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2415	3321
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.11	0.01
Market segment	Laptop	Laptop
Series	Intel Core i5	Intel Pentium
Power efficiency	13.69	0.92
Designer	Intel	Intel
Manufacturer	no data	Intel
Architecture codename	Kaby Lake (2016−2019)	Sandy Bridge (2011−2013)
Release date	3 January 2017 (9 years ago)	1 January 2012 (14 years ago)
Launch price (MSRP)	$281	$134

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-7Y57 has 1000% better value for money than Pentium 977.

Performance to price scatter graph

Currently popular graphics cards are shown for comparison.

Detailed specifications

Basic parameters of Core i5-7Y57 and Pentium 977: 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	2
Base clock speed	1.2 GHz	1.4 GHz
Boost clock speed	3.3 GHz	1.4 GHz
Bus type	OPI	DMI 2.0
Bus rate	4 GT/s	4 × 5 GT/s
Multiplier	12	14
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	256K (per core)
L3 cache	4 MB	2 MB (shared)
Chip lithography	14 nm	32 nm
Die size	no data	131 mm2
Maximum core temperature	100 °C	100 °C
Number of transistors	no data	504 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-7Y57 and Pentium 977 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 (Uniprocessor)
Socket	FCBGA1515	FCBGA1023
Power consumption (TDP)	4.5 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7Y57 and Pentium 977. 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	-	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
My WiFi	+	-
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
SIPP	+	-
Smart Response	+	no data
Demand Based Switching	no data	-
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Core i5-7Y57 and Pentium 977 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
MPX	+	-
Identity Protection	+	-
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 i5-7Y57 and Pentium 977 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7Y57 and Pentium 977. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	16.38 GB
Max memory channels	2	2
Maximum memory bandwidth	29.861 GB/s	21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare HD Graphics 615 and HD Graphics	Intel HD Graphics 615	Intel HD Graphics for 2nd Generation Intel Processors
Max video memory	16 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	-
Graphics max frequency	950 MHz	1 GHz

Graphics interfaces

Available interfaces and connections of Core i5-7Y57 and Pentium 977 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-7Y57 and Pentium 977 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	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data

Graphics API support

APIs supported by Core i5-7Y57 and Pentium 977 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 i5-7Y57 and Pentium 977.

PCIe version	3.0	2.0
PCI Express lanes	10	16

Synthetic benchmarks

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.

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Pros & cons summary

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Performance score	1.46	0.37
Integrated graphics card	1.72	0.72
Recency	3 January 2017	1 January 2012
Threads	4	2
Chip lithography	14 nm	32 nm
Power consumption (TDP)	4 Watt	17 Watt