Intel Xeon E7-8891 v4 vs Intel Core i7-6900K

Comparative analysis of Intel Xeon E7-8891 v4 and Intel Core i7-6900K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, 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), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Xeon E7-8891 v4

Intel Core i7-6900K

Differences

Reasons to consider the Intel Xeon E7-8891 v4

2 more cores, run more applications at once: 10 vs 8
4 more threads: 20 vs 16
24x more maximum memory size: 3 TB vs 128 GB
3.4x better performance in PassMark - CPU mark: 48879 vs 14431

Specifications (specs)
Number of cores	10 vs 8
Number of threads	20 vs 16
Maximum memory size	3 TB vs 128 GB
Max number of CPUs in a configuration	8 vs 1
Benchmarks
PassMark - CPU mark	48879 vs 14431

Reasons to consider the Intel Core i7-6900K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 6% higher clock speed: 3.70 GHz vs 3.50 GHz
Around 18% lower typical power consumption: 140 Watt vs 165 Watt
Around 10% better performance in PassMark - Single thread mark: 2321 vs 2104

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	3.70 GHz vs 3.50 GHz
Thermal Design Power (TDP)	140 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	2321 vs 2104

Compare benchmarks

CPU 1: Intel Xeon E7-8891 v4
CPU 2: Intel Core i7-6900K

PassMark - Single thread mark

CPU 1

CPU 2

2104

2321

PassMark - CPU mark

CPU 1

CPU 2

48879

14431

Name	Intel Xeon E7-8891 v4	Intel Core i7-6900K
PassMark - Single thread mark	2104	2321
PassMark - CPU mark	48879	14431
Geekbench 4 - Single Core		1005
Geekbench 4 - Multi-Core		7893
3DMark Fire Strike - Physics Score		8778
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		10.395
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		179.127
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.3
CompuBench 1.5 Desktop - Video Composition (Frames/s)		5.194
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		13.602

Compare specifications (specs)

	Intel Xeon E7-8891 v4	Intel Core i7-6900K
Essentials
Architecture codename	Broadwell	Broadwell E
Launch date	Q2'16	May 2016
Place in performance rating	650	1325
Processor Number	E7-8891V4	i7-6900K
Series	Intel® Xeon® Processor E7 v4 Family	Intel® Core™ X-series Processors
Status	Launched	Discontinued
Vertical segment	Server	Desktop
Launch price (MSRP)		$1,020
Price now		$1,198.99
Value for money (0-100)		4.35
Performance
64 bit support
Base frequency	2.80 GHz	3.20 GHz
Bus Speed	9.6 GT/s QPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	79°C
Maximum frequency	3.50 GHz	3.70 GHz
Number of cores	10	8
Number of QPI Links	3
Number of threads	20	16
L1 cache		32 KB (per core)
L2 cache		256 KB (per core)
L3 cache		20480 KB (shared)
Maximum case temperature (TCase)		72 °C
Unlocked
Memory
Max memory channels	4	4
Maximum memory bandwidth	85 GB/s
Maximum memory size	3 TB	128 GB
Supported memory types	DDR4-1333/1600/1866 DDR3-1066/1333/1600	DDR4 2400/2133
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	8	1
Package Size	45mm x 52.5mm
Sockets supported	FCLGA2011	FCLGA2011-3
Thermal Design Power (TDP)	165 Watt	140 Watt
Peripherals
Max number of PCIe lanes	32	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16
Scalability	S8S	1S 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® AVX2
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
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® Smart Response technology
Intel® vPro™ Platform Eligibility
Turbo Boost Max 3.0
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Processor graphics		None