Xeon E3-1225 v5 vs E3-1246 v3

Primary Details

Comparing Xeon E3-1246 v3 and Xeon E3-1225 v5 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1189	1361
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	1.29	1.02
Market segment	Server	Server
Series	no data	Intel Xeon E3
Architecture codename	no data	Skylake (2015−2016)
Release date	1 April 2014 (10 years ago)	19 October 2015 (8 years ago)
Launch price (MSRP)	no data	$224
Current price	$425	$353 (1.6x MSRP)

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Xeon E3-1246 v3 has 26% better value for money than Xeon E3-1225 v5.

Detailed Specifications

Xeon E3-1246 v3 and Xeon E3-1225 v5 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)	4 (Quad-Core)
Threads	8	4
Base clock speed	3.5 GHz	3.3 GHz
Boost clock speed	3.9 GHz	3.7 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	no data	256 KB
L2 cache	no data	1 MB
L3 cache	8 MB Intel® Smart Cache	8 MB
Chip lithography	22 nm	14 nm
Die size	no data	122 mm2
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1246 v3 and Xeon E3-1225 v5 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	FCLGA1150	FCLGA1151
Power consumption (TDP)	84 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1246 v3 and Xeon E3-1225 v5. 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)	+	+
My WiFi	-	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	-
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	no data
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	Launched

Security technologies

Xeon E3-1246 v3 and Xeon E3-1225 v5 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1246 v3 and Xeon E3-1225 v5 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1246 v3 and Xeon E3-1225 v5. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR4-1866, DDR4-2133, DDR3L-1333, DDR3L-1600
Maximum memory size	32 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	34.1 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics P530
Max video memory	1.7 GB	64 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	+	+
Graphics max frequency	1.2 GHz	1.15 GHz
Execution Units	20	no data
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Xeon E3-1246 v3 and Xeon E3-1225 v5 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Xeon E3-1246 v3 and Xeon E3-1225 v5 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	3840x2160@60Hz	4096x2304@24Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	3840x2160@60Hz	4096x2304@60Hz
Max resolution over VGA	2880x1800@60Hz	N/A

Graphics API support

APIs supported by Xeon E3-1246 v3 and Xeon E3-1225 v5 integrated GPUs, sometimes API versions are included.

DirectX	11.2	12
OpenGL	4.3	4.4

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1246 v3 and Xeon E3-1225 v5.

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.

---

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.

E3-1246 v3 outperforms E3-1225 v5 by 22% based on our aggregated benchmark results.

---

Pros & Cons Summary

---

Performance score	4.70	3.86
Recency	1 April 2014	19 October 2015
Threads	8	4
Chip lithography	22 nm	14 nm
Power consumption (TDP)	84 Watt	80 Watt

---

Should you still have questions on choice between Xeon E3-1246 v3 and Xeon E3-1225 v5, 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.

---