Xeon Gold 6438Y+ vs Pentium 977

Primary details

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

Place in the ranking	2967	112
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.04	11.26
Market segment	Laptop	Server
Series	Intel Pentium	no data
Power efficiency	1.62	7.36
Designer	Intel	Intel
Manufacturer	Intel	Intel
Architecture codename	Sandy Bridge (2011−2013)	Sapphire Rapids (2023−2024)
Release date	16 January 2012 (13 years ago)	10 January 2023 (2 years ago)
Launch price (MSRP)	$134	$3,141

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6438Y+ has 28050% better value for money than Pentium 977.

Performance to price scatter graph

Detailed specifications

Pentium 977 and Xeon Gold 6438Y+ 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)	32 (Dotriaconta-Core)
Threads	2	64
Base clock speed	1.4 GHz	2 GHz
Boost clock speed	1.4 GHz	4 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	14	no data
L1 cache	128 KB	80K (per core)
L2 cache	512 KB	2 MB (per core)
L3 cache	2 MB (shared)	60 MB
Chip lithography	32 nm	10 nm
Die size	131 mm2	no data
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	85 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Pentium 977 and Xeon Gold 6438Y+ 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)	2
Socket	FCBGA1023	4677
Power consumption (TDP)	17 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 977 and Xeon Gold 6438Y+. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	-	+
FMA	+	-
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Pentium 977 and Xeon Gold 6438Y+ technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 977 and Xeon Gold 6438Y+ are enumerated here.

VT-d	-	+
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 977 and Xeon Gold 6438Y+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-4800
Maximum memory size	16.38 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for 2nd Generation Intel Processors	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Pentium 977 and Xeon Gold 6438Y+ integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Pentium 977 and Xeon Gold 6438Y+.

PCIe version	2.0	5.0
PCI Express lanes	16	80

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	0.65	35.53
Recency	16 January 2012	10 January 2023
Physical cores	2	32
Threads	2	64
Chip lithography	32 nm	10 nm
Power consumption (TDP)	17 Watt	205 Watt

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