Intel Xeon E7-4890 v2 vs Intel Xeon E5-4650 v2

Comparative analysis of Intel Xeon E7-4890 v2 and Intel Xeon E5-4650 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 E7-4890 v2

Intel Xeon E5-4650 v2

Differences

Reasons to consider the Intel Xeon E7-4890 v2

5 more cores, run more applications at once: 15 vs 10
10 more threads: 30 vs 20
Around 17% higher clock speed: 3.40 GHz vs 2.90 GHz
Around 3% higher maximum core temperature: 77°C vs 75°C
2x more maximum memory size: 1.5 TB vs 768 GB
Around 17% better performance in PassMark - Single thread mark: 1790 vs 1531

Specifications (specs)
Number of cores	15 vs 10
Number of threads	30 vs 20
Maximum frequency	3.40 GHz vs 2.90 GHz
Maximum core temperature	77°C vs 75°C
Maximum memory size	1.5 TB vs 768 GB
Benchmarks
PassMark - Single thread mark	1790 vs 1531

Reasons to consider the Intel Xeon E5-4650 v2

Around 63% lower typical power consumption: 95 Watt vs 155 Watt
Around 27% better performance in PassMark - CPU mark: 31723 vs 25055

Specifications (specs)
Thermal Design Power (TDP)	95 Watt vs 155 Watt
Benchmarks
PassMark - CPU mark	31723 vs 25055

Compare benchmarks

CPU 1: Intel Xeon E7-4890 v2
CPU 2: Intel Xeon E5-4650 v2

PassMark - Single thread mark

CPU 1

CPU 2

1790

1531

PassMark - CPU mark

CPU 1

CPU 2

25055

31723

Name	Intel Xeon E7-4890 v2	Intel Xeon E5-4650 v2
PassMark - Single thread mark	1790	1531
PassMark - CPU mark	25055	31723

Compare specifications (specs)

	Intel Xeon E7-4890 v2	Intel Xeon E5-4650 v2
Essentials
Architecture codename	Ivy Bridge	Ivy Bridge EP
Launch date	Q1'14	Q1'14
Place in performance rating	1048	1080
Processor Number	E7-4890V2	E5-4650V2
Series	Intel® Xeon® Processor E7 v2 Family	Intel® Xeon® Processor E5 v2 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.80 GHz	2.40 GHz
Bus Speed	8 GT/s QPI	8 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	77°C	75°C
Maximum frequency	3.40 GHz	2.90 GHz
Number of cores	15	10
Number of QPI Links	3	2
Number of threads	30	20
VID voltage range		0.65-1.30V
Memory
Max memory channels	4	4
Maximum memory bandwidth	85 GB/s	59.7 GB/s
Maximum memory size	1.5 TB	768 GB
Supported memory types	DDR3 1066/1333/1600	DDR3 800/1066/1333/1600/1866
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	4
Package Size	52mm x 45mm	52.5 mm x 45 mm
Sockets supported	FCLGA2011	FCLGA2011
Thermal Design Power (TDP)	155 Watt	95 Watt
Peripherals
Max number of PCIe lanes	32	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x4, x8, x16
Scalability	S4S	4S Only
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® AVX	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
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)