Xeon Gold 6248 vs E5649

Primary details

Comparing Xeon E5649 and Xeon Gold 6248 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1508	313
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.56	9.83
Market segment	Server	Server
Series	no data	Intel Xeon Gold
Power efficiency	4.24	11.85
Architecture codename	Westmere-EP (2010−2011)	Cascade Lake (2019−2020)
Release date	14 February 2011 (13 years ago)	2 April 2019 (5 years ago)
Launch price (MSRP)	$45	$3,072

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6248 has 530% better value for money than Xeon E5649.

Detailed specifications

Xeon E5649 and Xeon Gold 6248 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	6 (Hexa-Core)	20 (Icosa-Core)
Threads	12	40
Base clock speed	2.53 GHz	2.5 GHz
Boost clock speed	2.93 GHz	3.9 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
Multiplier	no data	25
L1 cache	64 KB (per core)	1.25 MB
L2 cache	256 KB (per core)	20 MB
L3 cache	12288 KB (shared)	27.5 MB
Chip lithography	32 nm	14 nm
Die size	239 mm2	no data
Maximum core temperature	76 °C	86 °C
Number of transistors	1,170 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon E5649 and Xeon Gold 6248 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	2	4 (Multiprocessor)
Socket	FCLGA1366	FCLGA3647
Power consumption (TDP)	80 Watt	150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5649 and Xeon Gold 6248. You'll probably need this information if you require some particular technology.

Instruction set extensions	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	1.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Demand Based Switching	+	no data
PAE	40 Bit	no data
Turbo Boost Max 3.0	no data	-
Deep Learning Boost	-	+

Security technologies

Xeon E5649 and Xeon Gold 6248 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5649 and Xeon Gold 6248 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5649 and Xeon Gold 6248. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2933
Maximum memory size	288 GB	1 TB
Max memory channels	3	6
Maximum memory bandwidth	32 GB/s	140.8 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5649 and Xeon Gold 6248.

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	3.65	19.14
Recency	14 February 2011	2 April 2019
Physical cores	6	20
Threads	12	40
Chip lithography	32 nm	14 nm
Power consumption (TDP)	80 Watt	150 Watt

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Should you still have questions on choice between Xeon E5649 and Xeon Gold 6248, ask them in Comments section, and we shall answer.

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