Intel Xeon E5-4620 v4 vs Intel Xeon E5649

Comparative analysis of Intel Xeon E5-4620 v4 and Intel Xeon E5649 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s).

Intel Xeon E5-4620 v4

Intel Xeon E5649

Differences

Reasons to consider the Intel Xeon E5-4620 v4

4 more cores, run more applications at once: 10 vs 6
8 more threads: 20 vs 12
Around 4% higher maximum core temperature: 79 vs 76.2°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
5.3x more maximum memory size: 1.5 TB vs 288 GB

Number of cores	10 vs 6
Number of threads	20 vs 12
Maximum core temperature	79 vs 76.2°C
Manufacturing process technology	14 nm vs 32 nm
Maximum memory size	1.5 TB vs 288 GB
Max number of CPUs in a configuration	4 vs 2

Reasons to consider the Intel Xeon E5649

Around 13% higher clock speed: 2.93 GHz vs 2.60 GHz
Around 31% lower typical power consumption: 80 Watt vs 105 Watt

Maximum frequency	2.93 GHz vs 2.60 GHz
Thermal Design Power (TDP)	80 Watt vs 105 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-4620 v4
CPU 2: Intel Xeon E5649

Name	Intel Xeon E5-4620 v4	Intel Xeon E5649
PassMark - Single thread mark		1219
PassMark - CPU mark		9554
Geekbench 4 - Single Core		470
Geekbench 4 - Multi-Core		2849
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.594
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		25.435
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.647

Compare specifications (specs)

	Intel Xeon E5-4620 v4	Intel Xeon E5649
Essentials
Architecture codename	Broadwell	Westmere EP
Launch date	Q2'16	February 2011
Place in performance rating	not rated	2424
Processor Number	E5-4620V4	E5649
Series	Intel® Xeon® Processor E5 v4 Family	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$45
Price now		$115
Value for money (0-100)		17.77
Performance
64 bit support
Base frequency	2.10 GHz	2.53 GHz
Bus Speed	8 GT/s QPI	5.86 GT/s QPI
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	79	76.2°C
Maximum frequency	2.60 GHz	2.93 GHz
Number of cores	10	6
Number of QPI Links	2	2
Number of threads	20	12
Die size		239 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		12288 KB (shared)
Transistor count		1170 million
VID voltage range		0.750V-1.350V
Memory
Max memory channels	4	3
Maximum memory bandwidth	68 GB/s	32 GB/s
Maximum memory size	1.5 TB	288 GB
Supported memory types	DDR4	DDR3 800/1066/1333
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	2
Package Size	45mm x 52.5mm	42.5mm X 45mm
Sockets supported	FCLGA2011-3	FCLGA1366
Thermal Design Power (TDP)	105 Watt	80 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
PCIe configurations	x4, x8, x16
Scalability	4S
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	Intel® SSE4.2
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	40-bit
Thermal Monitoring
Intel® Demand Based Switching
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)