Intel Xeon E5-4640 v3 vs Intel Xeon E5-2640 v3

Comparative analysis of Intel Xeon E5-4640 v3 and Intel Xeon E5-2640 v3 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 E5-4640 v3

Intel Xeon E5-2640 v3

Differences

Reasons to consider the Intel Xeon E5-4640 v3

4 more cores, run more applications at once: 12 vs 8
8 more threads: 24 vs 16
Around 4% higher maximum core temperature: 77.6°C vs 74.3°C

Number of cores	12 vs 8
Number of threads	24 vs 16
Maximum core temperature	77.6°C vs 74.3°C
Max number of CPUs in a configuration	4 vs 2

Reasons to consider the Intel Xeon E5-2640 v3

Around 31% higher clock speed: 3.40 GHz vs 2.60 GHz
Around 17% lower typical power consumption: 90 Watt vs 105 Watt
Around 15% better performance in PassMark - Single thread mark: 1745 vs 1514
Around 68% better performance in PassMark - CPU mark: 17425 vs 10372

Specifications (specs)
Maximum frequency	3.40 GHz vs 2.60 GHz
Thermal Design Power (TDP)	90 Watt vs 105 Watt
Benchmarks
PassMark - Single thread mark	1745 vs 1514
PassMark - CPU mark	17425 vs 10372

Compare benchmarks

CPU 1: Intel Xeon E5-4640 v3
CPU 2: Intel Xeon E5-2640 v3

PassMark - Single thread mark

CPU 1

CPU 2

1514

1745

PassMark - CPU mark

CPU 1

CPU 2

10372

17425

Name	Intel Xeon E5-4640 v3	Intel Xeon E5-2640 v3
PassMark - Single thread mark	1514	1745
PassMark - CPU mark	10372	17425
Geekbench 4 - Single Core		750
Geekbench 4 - Multi-Core		5657

Compare specifications (specs)

	Intel Xeon E5-4640 v3	Intel Xeon E5-2640 v3
Essentials
Architecture codename	Haswell	Haswell
Launch date	Q2'15	Q3'14
Place in performance rating	1486	1474
Processor Number	E5-4640V3	E5-2640V3
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E5 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.90 GHz	2.60 GHz
Bus Speed	8 GT/s QPI	8 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	77.6°C	74.3°C
Maximum frequency	2.60 GHz	3.40 GHz
Number of cores	12	8
Number of QPI Links	2	2
Number of threads	24	16
VID voltage range		0.65V–1.30V
Memory
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	59 GB/s
Maximum memory size	768 GB	768 GB
Supported memory types	DDR4	DDR4 1600/1866
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	2
Package Size	52.5mm x 51mm	52.5mm x 45mm
Sockets supported	FCLGA2011-3	FCLGA2011-3
Thermal Design Power (TDP)	105 Watt	90 Watt
Peripherals
Max number of PCIe lanes	40	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x4, x8, x16
Scalability	4S	2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Instruction Replay Technology
Intel® TSX-NI
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	46-bit	46-bit
Thermal Monitoring
Intel® Demand Based Switching
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)