Xeon E7-4809 v3 vs i5-6400

Primary details

Comparing Core i5-6400 and Xeon E7-4809 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1551	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.66	no data
Market segment	Desktop processor	Server
Series	Intel Core i5	no data
Power efficiency	4.96	no data
Architecture codename	Skylake (2015−2016)	Haswell-EX (2015)
Release date	2 July 2015 (9 years ago)	1 June 2015 (9 years ago)
Launch price (MSRP)	$187	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-6400 and Xeon E7-4809 v3 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	4	16
Base clock speed	2.7 GHz	2 GHz
Boost clock speed	3.3 GHz	2 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	6.4 GT/s
Multiplier	27	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	6 MB (shared)	20 MB (shared)
Chip lithography	14 nm	22 nm
Die size	177 mm2	160 mm2
Maximum case temperature (TCase)	72 °C	70 °C
Number of transistors	no data	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-6400 and Xeon E7-4809 v3 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)	4
Socket	FCLGA1151	FCLGA2011
Power consumption (TDP)	65 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6400 and Xeon E7-4809 v3. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
PAE	no data	46 Bit

Security technologies

Core i5-6400 and Xeon E7-4809 v3 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6400 and Xeon E7-4809 v3 are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-6400 and Xeon E7-4809 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR4-1333/1600/1866, DDR3-1066/1333
Maximum memory size	64 GB	1.5 TB
Max memory channels	2	4
Maximum memory bandwidth	34.134 GB/s	85 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 530	no data
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	950 MHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-6400 and Xeon E7-4809 v3 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-6400 and Xeon E7-4809 v3 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core i5-6400 and Xeon E7-4809 v3 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-6400 and Xeon E7-4809 v3.

PCIe version	3.0	3.0
PCI Express lanes	16	32

Pros & cons summary

---

Recency	2 July 2015	1 June 2015
Physical cores	4	8
Threads	4	16
Chip lithography	14 nm	22 nm
Power consumption (TDP)	65 Watt	115 Watt

---

Should you still have questions on choice between Core i5-6400 and Xeon E7-4809 v3, 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.

---