Xeon Gold 6538N vs Pentium G645

Primary details

Comparing Pentium G645 and Xeon Gold 6538N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2531	164
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.06	21.76
Market segment	Desktop processor	Server
Power efficiency	1.31	13.05
Architecture codename	Sandy Bridge (2011−2013)	Emerald Rapids (2023)
Release date	2 September 2012 (12 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$80	$3,351

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6538N has 36167% better value for money than Pentium G645.

Detailed specifications

Pentium G645 and Xeon Gold 6538N 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	2.9 GHz	2.1 GHz
Boost clock speed	2.9 GHz	4.1 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	2 MB (per core)
L3 cache	3 MB (shared)	60 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	131 mm2	2x 763 mm2
Maximum core temperature	69 °C	no data
Maximum case temperature (TCase)	no data	85 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Pentium G645 and Xeon Gold 6538N 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	2
Socket	FCLGA1155	FCLGA4677
Power consumption (TDP)	65 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G645 and Xeon Gold 6538N. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® AMX, 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
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Pentium G645 and Xeon Gold 6538N technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G645 and Xeon Gold 6538N 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 6538N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-5200
Maximum memory size	32 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	17 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	N/A
Graphics max frequency	1.1 GHz	no data

Graphics interfaces

Available interfaces and connections of Pentium G645 and Xeon Gold 6538N integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Pentium G645 and Xeon Gold 6538N.

PCIe version	2.0	5.0
PCI Express lanes	no data	80

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	0.92	28.80
Recency	2 September 2012	14 December 2023
Physical cores	2	32
Threads	2	64
Power consumption (TDP)	65 Watt	205 Watt

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Should you still have questions on choice between Pentium G645 and Xeon Gold 6538N, ask them in Comments section, and we shall answer.

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