Celeron 3955U vs Xeon E3-1220 v6

Primary details

Comparing Xeon E3-1220 v6 and Celeron 3955U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1540	2509
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.39	no data
Market segment	Server	Laptop
Series	Intel Xeon E3	Intel Celeron
Power efficiency	4.55	5.87
Architecture codename	Kaby Lake (2016−2019)	Skylake (2015−2016)
Release date	28 March 2017 (7 years ago)	15 August 2015 (9 years ago)
Launch price (MSRP)	$193	$107

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1220 v6 and Celeron 3955U 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	4	2
Base clock speed	3 GHz	2 GHz
Boost clock speed	3.5 GHz	2 GHz
Bus type	DMI 3.0	OPI
Bus rate	8 GT/s	4 GT/s
Multiplier	30	20
L1 cache	256 KB	128 KB
L2 cache	1 MB	512 KB
L3 cache	8 MB	2 MB
Chip lithography	14 nm	14 nm
Die size	no data	98.57 mm2
Maximum core temperature	no data	100 °C
Number of transistors	no data	1750 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1220 v6 and Celeron 3955U 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 (Uniprocessor)	1 (Uniprocessor)
Socket	FCLGA1151	FCBGA1356
Power consumption (TDP)	72 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1220 v6 and Celeron 3955U. 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
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	-	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Smart Response	no data	+

Security technologies

Xeon E3-1220 v6 and Celeron 3955U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	+
MPX	+	-
Identity Protection	-	+
SGX	Yes with both Intel® SPS and Intel® ME	Yes with Intel® ME
OS Guard	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1220 v6 and Celeron 3955U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1220 v6 and Celeron 3955U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400, DDR3L-1866	DDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600
Maximum memory size	64 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	34.134 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics 510
Max video memory	no data	32 GB
Quick Sync Video	-	+
Clear Video HD	-	+
Graphics max frequency	no data	900 MHz

Graphics interfaces

Available interfaces and connections of Xeon E3-1220 v6 and Celeron 3955U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Xeon E3-1220 v6 and Celeron 3955U integrated GPUs, including resolutions over different interfaces.

4K resolution support	-	+
Max resolution over HDMI 1.4	N/A	4096x2304@24Hz
Max resolution over eDP	N/A	4096x2304@60Hz
Max resolution over DisplayPort	N/A	4096x2304@60Hz
Max resolution over VGA	N/A	N/A

Graphics API support

APIs supported by Xeon E3-1220 v6 and Celeron 3955U integrated GPUs, sometimes API versions are included.

DirectX	N/A	12
OpenGL	N/A	4.4

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1220 v6 and Celeron 3955U.

PCIe version	3.0	3.0
PCI Express lanes	16	12

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

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.

---

Pros & cons summary

---

Performance score	3.46	0.93
Recency	28 March 2017	15 August 2015
Physical cores	4	2
Threads	4	2
Power consumption (TDP)	72 Watt	15 Watt

---

Should you still have questions on choice between Xeon E3-1220 v6 and Celeron 3955U, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---