Xeon E5-2650L v2 vs i7-640M

Place in the ranking	2260	1247
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core i7	no data
Power efficiency	3.52	6.46
Architecture codename	Arrandale (2010−2011)	Ivy Bridge-EP (2013)
Release date	13 September 2010 (14 years ago)	1 September 2013 (11 years ago)
Launch price (MSRP)	$346	no data

Detailed specifications

Core i7-640M and Xeon E5-2650L v2 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	2 (Dual-core)	10 (Deca-Core)
Threads	4	20
Base clock speed	2.8 GHz	1.7 GHz
Boost clock speed	3.46 GHz	2.1 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	7.2 GT/s
Multiplier	21	no data
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	256 KB (per core)
L3 cache	4 MB (shared)	25 MB (shared)
Chip lithography	32 nm	22 nm
Die size	81+114 mm²	160 mm²
Maximum core temperature	105 °C	65 °C
Number of transistors	382 Million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-640M and Xeon E5-2650L v2 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)	2
Socket	BGA1288,PGA988	FCLGA2011
Power consumption (TDP)	35 Watt	70 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640M and Xeon E5-2650L v2. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® AVX
AES-NI	+	+
FMA	+	-
AVX	-	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	+	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	-
Demand Based Switching	no data	+
PAE	36 Bit	46 Bit
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-640M and Xeon E5-2650L v2 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-640M and Xeon E5-2650L v2 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640M and Xeon E5-2650L v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	8 GB	768 GB
Max memory channels	2	4
Maximum memory bandwidth	17.051 GB/s	51.2 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	766 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i7-640M and Xeon E5-2650L v2 integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-640M and Xeon E5-2650L v2.

PCIe version	2.0	3.0
PCI Express lanes	16	40

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.

i7-640M 1.35

Xeon E5-2650L v2 4.96
+267%

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.

i7-640M 2070

Xeon E5-2650L v2 7586
+266%

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.

i7-640M 425
+18.7%

Xeon E5-2650L v2 358

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.

i7-640M 805

Xeon E5-2650L v2 2533
+215%

Gaming performance

Pros & cons summary

Performance score	1.35	4.96
Recency	13 September 2010	1 September 2013
Physical cores	2	10
Threads	4	20
Chip lithography	32 nm	22 nm
Power consumption (TDP)	35 Watt	70 Watt

i7-640M has 100% lower power consumption.

Xeon E5-2650L v2, on the other hand, has a 267.4% higher aggregate performance score, an age advantage of 2 years, 400% more physical cores and 400% more threads, and a 45.5% more advanced lithography process.

The Xeon E5-2650L v2 is our recommended choice as it beats the Core i7-640M in performance tests.

Be aware that Core i7-640M is a notebook processor while Xeon E5-2650L v2 is a server/workstation one.

Should you still have questions on choice between Core i7-640M and Xeon E5-2650L v2, ask them in Comments section, and we shall answer.