Intel Xeon E7-4820 v3 vs Intel Xeon E7-8857 v2

Comparative analysis of Intel Xeon E7-4820 v3 and Intel Xeon E7-8857 v2 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.

Intel Xeon E7-4820 v3

Intel Xeon E7-8857 v2

Differences

Reasons to consider the Intel Xeon E7-4820 v3

8 more threads: 20 vs 12
Around 13% lower typical power consumption: 115 Watt vs 130 Watt

Number of threads	20 vs 12
Thermal Design Power (TDP)	115 Watt vs 130 Watt

Reasons to consider the Intel Xeon E7-8857 v2

2 more cores, run more applications at once: 12 vs 10
Around 4% higher maximum core temperature: 73°C vs 70°C

Number of cores	12 vs 10
Maximum core temperature	73°C vs 70°C
Max number of CPUs in a configuration	8 vs 4

Compare benchmarks

CPU 1: Intel Xeon E7-4820 v3
CPU 2: Intel Xeon E7-8857 v2

Name	Intel Xeon E7-4820 v3	Intel Xeon E7-8857 v2
PassMark - Single thread mark		1935
PassMark - CPU mark		36304

Compare specifications (specs)

	Intel Xeon E7-4820 v3	Intel Xeon E7-8857 v2
Essentials
Architecture codename	Haswell	Ivy Bridge
Launch date	Q2'15	Q1'14
Place in performance rating	not rated	820
Processor Number	E7-4820V3	E7-8857V2
Series	Intel® Xeon® Processor E7 v3 Family	Intel® Xeon® Processor E7 v2 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.90 GHz	3.00 GHz
Bus Speed	6.4 GT/s QPI	8 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	70°C	73°C
Number of cores	10	12
Number of QPI Links	3	3
Number of threads	20	12
Maximum frequency		3.60 GHz
Memory
Max memory channels	4	4
Maximum memory bandwidth	85 GB/s	85 GB/s
Maximum memory size	1.5 TB	1.5 TB
Supported memory types	DDR4-1333/1600/1866, DDR3-1066/1333	DDR3 1066/1333/1600
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	8
Package Size	52mm x 45mm	52mm x 45mm
Sockets supported	FCLGA2011	FCLGA2011
Thermal Design Power (TDP)	115 Watt	130 Watt
Peripherals
Max number of PCIe lanes	32	32
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x4, x8, x16
Scalability	S4S	S8S
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® AVX
Intel 64
Intel® AES New Instructions
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)