E1-2100 vs Xeon E3-1275 v2

Primary details

Comparing Xeon E3-1275 v2 and E1-2100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1379	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.82	no data
Market segment	Server	Laptop
Series	no data	AMD E-Series
Power efficiency	5.13	no data
Architecture codename	Ivy Bridge (2012−2013)	Kabini (2013−2014)
Release date	14 May 2012 (12 years ago)	23 May 2013 (11 years ago)
Launch price (MSRP)	$808	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1275 v2 and E1-2100 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)	2 (Dual-core)
Threads	8	2
Base clock speed	3.5 GHz	no data
Boost clock speed	3.9 GHz	1 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	1024 KB
L3 cache	8 MB (shared)	0 KB
Chip lithography	22 nm	28 nm
Die size	160 mm2	246 mm2
Maximum case temperature (TCase)	no data	90 °C
Number of transistors	1,400 million	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1275 v2 and E1-2100 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	1
Socket	FCLGA1155	FT3
Power consumption (TDP)	77 Watt	9 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1275 v2 and E1-2100. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, BMI1, ABM, SVM, AES-NI
AES-NI	+	+
FMA	-	FMA4
AVX	+	+
PowerNow	-	+
PowerGating	-	+
VirusProtect	-	+
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 E3-1275 v2 and E1-2100 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 E3-1275 v2 and E1-2100 are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data
IOMMU 2.0	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1275 v2 and E1-2100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32.77 GB	no data
Max memory channels	2	1
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD P4000	AMD Radeon HD 8210
Quick Sync Video	+	-
Clear Video HD	+	no data
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+
Graphics max frequency	1.25 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1275 v2 and E1-2100 integrated GPUs.

Number of displays supported	3	no data
DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Xeon E3-1275 v2 and E1-2100 integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1275 v2 and E1-2100.

PCIe version

3.0

2.0

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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Pros & cons summary

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Recency	14 May 2012	23 May 2013
Physical cores	4	2
Threads	8	2
Chip lithography	22 nm	28 nm
Power consumption (TDP)	77 Watt	9 Watt

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Should you still have questions on choice between Xeon E3-1275 v2 and E1-2100, ask them in Comments section, and we shall answer.

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