Intel Xeon E5-2420 v2 vs Intel Xeon E5-2640

Comparative analysis of Intel Xeon E5-2420 v2 and Intel Xeon E5-2640 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5-2420 v2

Intel Xeon E5-2640

Differences

Reasons to consider the Intel Xeon E5-2420 v2

CPU is newer: launch date 1 year(s) 6 month(s) later
Around 4% higher maximum core temperature: 76°C vs 73 °C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
Around 19% lower typical power consumption: 80 Watt vs 95 Watt
Around 1% better performance in PassMark - Single thread mark: 1352 vs 1344
Around 1% better performance in PassMark - CPU mark: 11745 vs 11646

Specifications (specs)
Launch date	September 2013 vs March 2012
Maximum core temperature	76°C vs 73 °C
Manufacturing process technology	22 nm vs 32 nm
Thermal Design Power (TDP)	80 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1352 vs 1344
PassMark - CPU mark	11745 vs 11646

Reasons to consider the Intel Xeon E5-2640

Around 11% higher clock speed: 3.00 GHz vs 2.70 GHz
Around 1% better performance in Geekbench 4 - Single Core: 564 vs 561
Around 4% better performance in Geekbench 4 - Multi-Core: 3363 vs 3249

Specifications (specs)
Maximum frequency	3.00 GHz vs 2.70 GHz
Benchmarks
Geekbench 4 - Single Core	564 vs 561
Geekbench 4 - Multi-Core	3363 vs 3249

Compare benchmarks

CPU 1: Intel Xeon E5-2420 v2
CPU 2: Intel Xeon E5-2640

PassMark - Single thread mark

CPU 1

CPU 2

1352

1344

PassMark - CPU mark

CPU 1

CPU 2

11745

11646

Geekbench 4 - Single Core

CPU 1

CPU 2

561

564

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3249

3363

Name	Intel Xeon E5-2420 v2	Intel Xeon E5-2640
PassMark - Single thread mark	1352	1344
PassMark - CPU mark	11745	11646
Geekbench 4 - Single Core	561	564
Geekbench 4 - Multi-Core	3249	3363

Compare specifications (specs)

	Intel Xeon E5-2420 v2	Intel Xeon E5-2640
Essentials
Architecture codename	Ivy Bridge EN	Sandy Bridge EP
Launch date	September 2013	March 2012
Launch price (MSRP)	$480	$162
Place in performance rating	1992	1980
Price now	$579.95	$197.27
Processor Number	E5-2420V2	E5-2640
Series	Intel® Xeon® Processor E5 v2 Family	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Value for money (0-100)	4.38	14.20
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.20 GHz	2.50 GHz
Bus Speed	7.2 GT/s QPI	7.2 GT/s QPI
Die size	160 mm	435 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	15360 KB (shared)	15360 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	76°C	73 °C
Maximum frequency	2.70 GHz	3.00 GHz
Number of cores	6	6
Number of QPI Links	1	2
Number of threads	12	12
Transistor count	1400 million	2270 million
VID voltage range	0.65-1.30V	0.60V-1.35V
Memory
ECC memory support
Max memory channels	3	4
Maximum memory bandwidth	38.4 GB/s	42.6 GB/s
Maximum memory size	384 GB	384 GB
Supported memory types	DDR3 800/1066/1333/1600	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	45mm x 42.5mm	52.5mm x 45.0mm
Sockets supported	FCLGA1356	FCLGA2011
Thermal Design Power (TDP)	80 Watt	95 Watt
Peripherals
Max number of PCIe lanes	24	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16
Scalability	2S Only	2S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	46-bit
Thermal Monitoring
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)