Xeon W-1270 vs E3-1275 v5

Primary details

Comparing Xeon E3-1275 v5 and Xeon W-1270 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1083	632
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.54	6.65
Market segment	Server	Server
Series	Intel Xeon E3	no data
Architecture codename	Skylake (2015−2016)	no data
Release date	19 October 2015 (8 years ago)	1 April 2020 (4 years ago)
Launch price (MSRP)	$350	no data
Current price	$500 (1.4x MSRP)	$1991

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-1270 has 332% better value for money than Xeon E3-1275 v5.

Detailed specifications

Xeon E3-1275 v5 and Xeon W-1270 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)	8 (Octa-Core)
Threads	8	16
Base clock speed	3.6 GHz	3.4 GHz
Boost clock speed	4 GHz	5 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	256 KB	no data
L2 cache	1 MB	no data
L3 cache	8 MB	16 MB Intel® Smart Cache
Chip lithography	14 nm	14 nm
Die size	122 mm2	no data
Maximum core temperature	no data	100 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1275 v5 and Xeon W-1270 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	FCLGA1151	FCLGA1200
Power consumption (TDP)	80 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1275 v5 and Xeon W-1270. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Turbo Boost Max 3.0	no data	+
Status	Launched	Discontinued

Security technologies

Xeon E3-1275 v5 and Xeon W-1270 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	no data
Identity Protection	no data	+
SGX	Yes with Intel® ME	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1275 v5 and Xeon W-1270 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1275 v5 and Xeon W-1270. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1866, DDR4-2133, DDR3L-1333, DDR3L-1600	DDR4-2933
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	45.8 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics P530	Intel UHD Graphics P630
Max video memory	64 GB	64 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.15 GHz	1.2 GHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Xeon E3-1275 v5 and Xeon W-1270 integrated GPUs.

Number of displays supported	3	3
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Xeon E3-1275 v5 and Xeon W-1270 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2304@24Hz	4096x2160@30Hz
Max resolution over eDP	4096x2304@60Hz	4096x2304@60Hz
Max resolution over DisplayPort	4096x2304@60Hz	4096x2304@60Hz
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Xeon E3-1275 v5 and Xeon W-1270 integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.4	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1275 v5 and Xeon W-1270.

PCIe version	3.0	3.0
PCI Express lanes	16	16

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.

W-1270 outperforms E3-1275 v5 by 108% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	5.49	11.40
Recency	19 October 2015	1 April 2020
Physical cores	4	8
Threads	8	16

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Should you still have questions on choice between Xeon E3-1275 v5 and Xeon W-1270, ask them in Comments section, and we shall answer.

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