i7-2640M vs Xeon E5-2660 v3

Place in the ranking	920	2131
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	Intel Core i7
Power efficiency	7.44	4.19
Architecture codename	Haswell-EP (2014−2015)	Sandy Bridge (2011−2013)
Release date	8 September 2014 (10 years ago)	4 September 2011 (13 years ago)
Launch price (MSRP)	no data	$346

Detailed specifications

Xeon E5-2660 v3 and Core i7-2640M 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	10 (Deca-Core)	2 (Dual-core)
Threads	20	4
Base clock speed	2.6 GHz	2.8 GHz
Boost clock speed	3.3 GHz	3.5 GHz
Bus type	no data	DMI 2.0
Bus rate	9.6 GT/s	4 × 5 GT/s
Multiplier	no data	28
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	25 MB (shared)	4 MB
Chip lithography	22 nm	32 nm
Die size	356 mm²	149 mm²
Maximum core temperature	79 °C	100 °C
Number of transistors	2,600 million	624 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2660 v3 and Core i7-2640M 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	FCBGA1023,PPGA988
Power consumption (TDP)	105 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2660 v3 and Core i7-2640M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® AVX
AES-NI	+	+
FMA	-	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	+
Demand Based Switching	+	-
PAE	46 Bit	no data
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Xeon E5-2660 v3 and Core i7-2640M technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
Identity Protection	-	+
OS Guard	+	no data
Anti-Theft	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2660 v3 and Core i7-2640M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2660 v3 and Core i7-2640M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	DDR3
Maximum memory size	768 GB	16 GB
Max memory channels	4	2
Maximum memory bandwidth	68 GB/s	228.707 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics 3000
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.3 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Xeon E5-2660 v3 and Core i7-2640M integrated GPUs.

Number of displays supported	no data	2
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
SDVO	no data	+
CRT	no data	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2660 v3 and Core i7-2640M.

PCIe version	3.0	2.0
PCI Express lanes	40	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.

Xeon E5-2660 v3 8.25
+432%

i7-2640M 1.55

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon E5-2660 v3 13098
+432%

i7-2640M 2461

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon E5-2660 v3 980
+89.9%

i7-2640M 516

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon E5-2660 v3 5890
+476%

i7-2640M 1022

Gaming performance

Pros & cons summary

Performance score	8.25	1.55
Recency	8 September 2014	4 September 2011
Physical cores	10	2
Threads	20	4
Chip lithography	22 nm	32 nm
Power consumption (TDP)	105 Watt	35 Watt

Xeon E5-2660 v3 has a 432.3% higher aggregate performance score, an age advantage of 3 years, 400% more physical cores and 400% more threads, and a 45.5% more advanced lithography process.

i7-2640M, on the other hand, has 200% lower power consumption.

The Xeon E5-2660 v3 is our recommended choice as it beats the Core i7-2640M in performance tests.

Be aware that Xeon E5-2660 v3 is a server/workstation processor while Core i7-2640M is a notebook one.

Should you still have questions on choice between Xeon E5-2660 v3 and Core i7-2640M, ask them in Comments section, and we shall answer.