Intel Xeon E3-1220 v6 vs Intel Core i5-6600K

Comparative analysis of Intel Xeon E3-1220 v6 and Intel Core i5-6600K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics API support. 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Xeon E3-1220 v6

Intel Core i5-6600K

Differences

Reasons to consider the Intel Xeon E3-1220 v6

Around 26% lower typical power consumption: 72 Watt vs 91 Watt

Thermal Design Power (TDP)	72 Watt vs 91 Watt

Reasons to consider the Intel Core i5-6600K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 11% higher clock speed: 3.90 GHz vs 3.50 GHz
Around 22% better performance in PassMark - Single thread mark: 2317 vs 1898
Around 14% better performance in PassMark - CPU mark: 6303 vs 5508
Around 27% better performance in Geekbench 4 - Single Core: 1103 vs 871
Around 19% better performance in Geekbench 4 - Multi-Core: 3627 vs 3046

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	3.90 GHz vs 3.50 GHz
Benchmarks
PassMark - Single thread mark	2317 vs 1898
PassMark - CPU mark	6303 vs 5508
Geekbench 4 - Single Core	1103 vs 871
Geekbench 4 - Multi-Core	3627 vs 3046

Compare benchmarks

CPU 1: Intel Xeon E3-1220 v6
CPU 2: Intel Core i5-6600K

PassMark - Single thread mark

CPU 1

CPU 2

1898

2317

PassMark - CPU mark

CPU 1

CPU 2

5508

6303

Geekbench 4 - Single Core

CPU 1

CPU 2

871

1103

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3046

3627

Name	Intel Xeon E3-1220 v6	Intel Core i5-6600K
PassMark - Single thread mark	1898	2317
PassMark - CPU mark	5508	6303
Geekbench 4 - Single Core	871	1103
Geekbench 4 - Multi-Core	3046	3627
3DMark Fire Strike - Physics Score		2547
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		3.973
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		83.338
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.497
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.388
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		6.333
GFXBench 4.0 - Car Chase Offscreen (Frames)		1883
GFXBench 4.0 - Manhattan (Frames)		3632
GFXBench 4.0 - T-Rex (Frames)		6856
GFXBench 4.0 - Car Chase Offscreen (Fps)		1883
GFXBench 4.0 - Manhattan (Fps)		3632
GFXBench 4.0 - T-Rex (Fps)		6856

Compare specifications (specs)

	Intel Xeon E3-1220 v6	Intel Core i5-6600K
Essentials
Architecture codename	Kaby Lake	Skylake
Launch date	Q1'17	5 August 2015
Place in performance rating	1659	1192
Processor Number	E3-1220V6	i5-6600K
Series	Intel® Xeon® Processor E3 v6 Family	6th Generation Intel® Core™ i5 Processors
Status	Launched	Discontinued
Vertical segment	Server	Desktop
Launch price (MSRP)		$242
Price now		$258.11
Value for money (0-100)		9.19
Performance
64 bit support
Base frequency	3.00 GHz	3.50 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
Manufacturing process technology	14 nm	14 nm
Maximum frequency	3.50 GHz	3.90 GHz
Number of cores	4	4
Number of threads	4	4
VID voltage range	0.55V-1.52V
L1 cache		256 KB
L2 cache		1 MB
L3 cache		6 MB
Maximum case temperature (TCase)		72 °C
Maximum core temperature		64°C
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	37.5 GB/s	34.1 GB/s
Maximum memory size	64 GB	64 GB
Supported memory types	DDR4-2400, DDR3L-1866	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Graphics
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Device ID		0x1912
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.15 GHz
Graphics max frequency		1.15 GHz
Max video memory		64 GB
Processor graphics		Intel® HD Graphics 530
Graphics interfaces
Number of displays supported	0	3
DisplayPort
DVI
eDP
HDMI
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort		4096x2304@60Hz
Max resolution over eDP		4096x2304@60Hz
Max resolution over HDMI 1.4		4096x2304@24Hz
Max resolution over VGA		N / A
Max resolution over WiDi		1080p
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1151	FCLGA1151
Thermal Design Power (TDP)	72 Watt	91 Watt
Thermal Solution		PCG 2015D (130W)
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4	Up to 1x16, 2x8, 1x8+2x4
Scalability	1S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® Stable Image Platform Program (SIPP)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)
Graphics API support
DirectX		12
OpenGL		4.5