Xeon Gold 5115 vs Pentium G645

Primary details

Comparing Pentium G645 and Xeon Gold 5115 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2533	825
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.06	4.48
Market segment	Desktop processor	Server
Series	no data	Intel Xeon Gold
Power efficiency	1.31	10.29
Architecture codename	Sandy Bridge (2011−2013)	Skylake (server) (2017−2018)
Release date	2 September 2012 (12 years ago)	11 July 2017 (7 years ago)
Launch price (MSRP)	$80	$1,221

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 5115 has 7367% better value for money than Pentium G645.

Detailed specifications

Pentium G645 and Xeon Gold 5115 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)	10 (Deca-Core)
Threads	2	20
Base clock speed	2.9 GHz	2.4 GHz
Boost clock speed	2.9 GHz	3.2 GHz
Bus rate	5 GT/s	no data
Multiplier	no data	24
L1 cache	64 KB (per core)	640 KB
L2 cache	256 KB (per core)	10 MB
L3 cache	3 MB (shared)	13.75 MB
Chip lithography	32 nm	14 nm
Die size	131 mm2	no data
Maximum core temperature	69 °C	76 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Pentium G645 and Xeon Gold 5115 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	4 (Multiprocessor)
Socket	FCLGA1155	FCLGA3647
Power consumption (TDP)	65 Watt	85 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G645 and Xeon Gold 5115. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Pentium G645 and Xeon Gold 5115 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G645 and Xeon Gold 5115 are enumerated here.

VT-d	-	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G645 and Xeon Gold 5115. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2400
Maximum memory size	32 GB	768 GB
Max memory channels	2	6
Maximum memory bandwidth	17 GB/s	115.212 GB/s
ECC memory support	-	+

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	1.1 GHz	no data

Graphics interfaces

Available interfaces and connections of Pentium G645 and Xeon Gold 5115 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Pentium G645 and Xeon Gold 5115.

PCIe version	2.0	3.0
PCI Express lanes	no data	48

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	0.90	9.24
Recency	2 September 2012	11 July 2017
Physical cores	2	10
Threads	2	20
Chip lithography	32 nm	14 nm
Power consumption (TDP)	65 Watt	85 Watt

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Should you still have questions on choice between Pentium G645 and Xeon Gold 5115, ask them in Comments section, and we shall answer.

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