Intel Xeon E3-1220 v6 vs Intel Xeon E3-1246 v3

Comparative analysis of Intel Xeon E3-1220 v6 and Intel Xeon E3-1246 v3 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, 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 E3-1220 v6

Intel Xeon E3-1246 v3

Differences

Reasons to consider the Intel Xeon E3-1220 v6

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
2x more maximum memory size: 64 GB vs 32 GB
Around 17% lower typical power consumption: 72 Watt vs 84 Watt

Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	64 GB vs 32 GB
Thermal Design Power (TDP)	72 Watt vs 84 Watt

Reasons to consider the Intel Xeon E3-1246 v3

4 more threads: 8 vs 4
Around 11% higher clock speed: 3.90 GHz vs 3.50 GHz
Around 19% better performance in PassMark - Single thread mark: 2215 vs 1857
Around 33% better performance in PassMark - CPU mark: 7287 vs 5468
Around 5% better performance in Geekbench 4 - Single Core: 918 vs 871
Around 14% better performance in Geekbench 4 - Multi-Core: 3473 vs 3046

Specifications (specs)
Number of threads	8 vs 4
Maximum frequency	3.90 GHz vs 3.50 GHz
Benchmarks
PassMark - Single thread mark	2215 vs 1857
PassMark - CPU mark	7287 vs 5468
Geekbench 4 - Single Core	918 vs 871
Geekbench 4 - Multi-Core	3473 vs 3046

Compare benchmarks

CPU 1: Intel Xeon E3-1220 v6
CPU 2: Intel Xeon E3-1246 v3

PassMark - Single thread mark

CPU 1

CPU 2

1857

2215

PassMark - CPU mark

CPU 1

CPU 2

5468

7287

Geekbench 4 - Single Core

CPU 1

CPU 2

871

918

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3046

3473

Name	Intel Xeon E3-1220 v6	Intel Xeon E3-1246 v3
PassMark - Single thread mark	1857	2215
PassMark - CPU mark	5468	7287
Geekbench 4 - Single Core	871	918
Geekbench 4 - Multi-Core	3046	3473
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		7.971
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		129.254
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.683
CompuBench 1.5 Desktop - Video Composition (Frames/s)		5.339
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		45.851

Compare specifications (specs)

	Intel Xeon E3-1220 v6	Intel Xeon E3-1246 v3
Essentials
Architecture codename	Kaby Lake	Haswell
Launch date	Q1'17	Q2'14
Place in performance rating	1669	1670
Processor Number	E3-1220V6	E3-1246V3
Series	Intel® Xeon® Processor E3 v6 Family	Intel® Xeon® Processor E3 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.00 GHz	3.50 GHz
Bus Speed	8 GT/s DMI3	5 GT/s DMI2
Manufacturing process technology	14 nm	22 nm
Maximum frequency	3.50 GHz	3.90 GHz
Number of cores	4	4
Number of threads	4	8
VID voltage range	0.55V-1.52V
Number of QPI Links		0
Memory
Max memory channels	2	2
Maximum memory bandwidth	37.5 GB/s	25.6 GB/s
Maximum memory size	64 GB	32 GB
Supported memory types	DDR4-2400, DDR3L-1866	DDR3 and DDR3L 1333/1600 at 1.5V
Graphics
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Execution Units		20
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.20 GHz
Intel® Flexible Display Interface (Intel® FDI)
Max video memory		1.7 GB
Graphics interfaces
Number of displays supported	0	3
DisplayPort
eDP
HDMI
VGA
Graphics image quality
4K resolution support
Max resolution over DisplayPort		3840x2160@60Hz
Max resolution over HDMI 1.4		3840x2160@60Hz
Max resolution over VGA		2880x1800@60Hz
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	FCLGA1150
Thermal Design Power (TDP)	72 Watt	84 Watt
Thermal Solution		PCG 2013D
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4	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
Anti-Theft technology
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® Fast Memory Access
Intel® Flex Memory Access
Intel® My WiFi technology
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)
Graphics API support
DirectX		11.2
OpenGL		4.3