Intel Xeon E5-4620 vs Intel Xeon E5-2640

Comparative analysis of Intel Xeon E5-4620 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 E5-4620

Intel Xeon E5-2640

Differences

Reasons to consider the Intel Xeon E5-4620

CPU is newer: launch date 2 month(s) later
2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 7% more L3 cache; more data can be stored in the L3 cache for quick access later

Launch date	May 2012 vs March 2012
Number of cores	8 vs 6
Number of threads	16 vs 12
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	16384 KB (shared) vs 15360 KB (shared)
Max number of CPUs in a configuration	4 vs 2

Reasons to consider the Intel Xeon E5-2640

Around 15% higher clock speed: 3.00 GHz vs 2.60 GHz
Around 38% better performance in PassMark - Single thread mark: 1347 vs 974
Around 1% better performance in PassMark - CPU mark: 11638 vs 11474

Specifications (specs)
Maximum frequency	3.00 GHz vs 2.60 GHz
Benchmarks
PassMark - Single thread mark	1347 vs 974
PassMark - CPU mark	11638 vs 11474

Compare benchmarks

CPU 1: Intel Xeon E5-4620
CPU 2: Intel Xeon E5-2640

PassMark - Single thread mark

CPU 1

CPU 2

974

1347

PassMark - CPU mark

CPU 1

CPU 2

11474

11638

Name	Intel Xeon E5-4620	Intel Xeon E5-2640
PassMark - Single thread mark	974	1347
PassMark - CPU mark	11474	11638
Geekbench 4 - Single Core		564
Geekbench 4 - Multi-Core		3363

Compare specifications (specs)

	Intel Xeon E5-4620	Intel Xeon E5-2640
Essentials
Architecture codename	Sandy Bridge EP	Sandy Bridge EP
Launch date	May 2012	March 2012
Launch price (MSRP)	$400	$162
Place in performance rating	1955	1956
Price now	$189	$197.27
Processor Number	E5-4620	E5-2640
Series	Intel® Xeon® Processor E5 Family	Intel® Xeon® Processor E5 Family
Status	Discontinued	Discontinued
Value for money (0-100)	12.66	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	435 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	16384 KB (shared)	15360 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum frequency	2.60 GHz	3.00 GHz
Number of cores	8	6
Number of QPI Links	2	2
Number of threads	16	12
Transistor count	2270 million	2270 million
VID voltage range	0.6V-1.35V	0.60V-1.35V
Maximum core temperature		73 °C
Memory
ECC memory support
Max memory channels	4	4
Maximum memory bandwidth	42.6 GB/s	42.6 GB/s
Maximum memory size	384 GB	384 GB
Supported memory types	DDR3 800/1066/1333	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	2
Package Size	52.5mm x 45.0mm	52.5mm x 45.0mm
Sockets supported	FCLGA2011	FCLGA2011
Thermal Design Power (TDP)	95 Watt	95 Watt
Peripherals
Max number of PCIe lanes	40	40
PCI Express revision	3.0	3.0
Scalability	4S Only	2S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection 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® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)