i5-6585R vs Xeon E5-2640

Primary details

Comparing Xeon E5-2640 and Core i5-6585R processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1419	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.75	no data
Market segment	Server	Desktop processor
Series	no data	Intel Core i5
Power efficiency	3.94	no data
Architecture codename	Sandy Bridge-EP (2012)	Skylake (2015−2016)
Release date	6 March 2012 (12 years ago)	22 April 2016 (8 years ago)
Launch price (MSRP)	$162	$255

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2640 and Core i5-6585R 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	6 (Hexa-Core)	4 (Quad-Core)
Threads	12	4
Base clock speed	2.5 GHz	2.8 GHz
Boost clock speed	3 GHz	3.6 GHz
Bus type	no data	DMI 3.0
Bus rate	7.2 GT/s	4 × 8 GT/s
Multiplier	no data	28
L1 cache	64 KB (per core)	256 KB
L2 cache	256 KB (per core)	1 MB
L3 cache	15360 KB (shared)	6 MB
Chip lithography	32 nm	14 nm
Die size	435 mm2	no data
Maximum core temperature	73 °C	71 °C
Number of transistors	2,270 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2640 and Core i5-6585R 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	2	1 (Uniprocessor)
Socket	FCLGA2011	no data
Power consumption (TDP)	95 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 and Core i5-6585R. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	no data	128 MB
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	-
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	no data

Security technologies

Xeon E5-2640 and Core i5-6585R technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2640 and Core i5-6585R are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2640 and Core i5-6585R. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-1866/2133, DDR3L-1333/1600
Maximum memory size	384 GB	64 GB
Max memory channels	4	2
Maximum memory bandwidth	42.6 GB/s	34.134 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel Iris Pro Graphics 580
Max video memory	no data	64 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.1 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Xeon E5-2640 and Core i5-6585R 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 E5-2640 and Core i5-6585R integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Xeon E5-2640 and Core i5-6585R integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 and Core i5-6585R.

PCIe version	3.0	3.0
PCI Express lanes	40	16

Pros & cons summary

---

Recency	6 March 2012	22 April 2016
Physical cores	6	4
Threads	12	4
Chip lithography	32 nm	14 nm
Power consumption (TDP)	95 Watt	65 Watt

---

Should you still have questions on choice between Xeon E5-2640 and Core i5-6585R, 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.

---