EPYC 7543 vs Xeon E3-1235

Primary details

Comparing Xeon E3-1235 and EPYC 7543 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1604	77
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.29	7.63
Market segment	Server	Server
Series	no data	AMD EPYC
Power efficiency	3.18	16.13
Architecture codename	Sandy Bridge (2011−2013)	Milan (2021−2023)
Release date	3 April 2011 (13 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	$287	$3,761

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7543 has 491% better value for money than Xeon E3-1235.

Detailed specifications

Xeon E3-1235 and EPYC 7543 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	4 (Quad-Core)	32 (Dotriaconta-Core)
Threads	8	64
Base clock speed	3.2 GHz	2.8 GHz
Boost clock speed	3.6 GHz	3.7 GHz
Multiplier	no data	28
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	8 MB (shared)	256 MB (shared)
Chip lithography	32 nm	7 nm+
Die size	216 mm2	8x 81 mm2
Maximum core temperature	73 °C	no data
Number of transistors	1,160 million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon E3-1235 and EPYC 7543 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	LGA1155	SP3
Power consumption (TDP)	95 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1235 and EPYC 7543. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
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

Xeon E3-1235 and EPYC 7543 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Identity Protection	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1235 and EPYC 7543 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1235 and EPYC 7543. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	32 GB	4 TiB
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	204.795 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD P3000	N/A
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.35 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1235 and EPYC 7543 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1235 and EPYC 7543.

PCIe version	2.0	4.0
PCI Express lanes	20	128

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	3.19	38.34
Recency	3 April 2011	15 March 2021
Physical cores	4	32
Threads	8	64
Chip lithography	32 nm	7 nm
Power consumption (TDP)	95 Watt	225 Watt

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Should you still have questions on choice between Xeon E3-1235 and EPYC 7543, ask them in Comments section, and we shall answer.

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