Intel Xeon E3-1220 v6 vs Intel Xeon X5647

Comparative analysis of Intel Xeon E3-1220 v6 and Intel Xeon X5647 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. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E3-1220 v6

Intel Xeon X5647

Differences

Reasons to consider the Intel Xeon E3-1220 v6

Around 9% higher clock speed: 3.50 GHz vs 3.20 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
Around 81% lower typical power consumption: 72 Watt vs 130 Watt
Around 34% better performance in PassMark - Single thread mark: 1898 vs 1418

Specifications (specs)
Maximum frequency	3.50 GHz vs 3.20 GHz
Manufacturing process technology	14 nm vs 32 nm
Thermal Design Power (TDP)	72 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1898 vs 1418

Reasons to consider the Intel Xeon X5647

4 more threads: 8 vs 4
4.5x more maximum memory size: 288 GB vs 64 GB
Around 52% better performance in PassMark - CPU mark: 8369 vs 5508

Specifications (specs)
Number of threads	8 vs 4
Maximum memory size	288 GB vs 64 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	8369 vs 5508

Compare benchmarks

CPU 1: Intel Xeon E3-1220 v6
CPU 2: Intel Xeon X5647

PassMark - Single thread mark

CPU 1

CPU 2

1898

1418

PassMark - CPU mark

CPU 1

CPU 2

5508

8369

Name	Intel Xeon E3-1220 v6	Intel Xeon X5647
PassMark - Single thread mark	1898	1418
PassMark - CPU mark	5508	8369
Geekbench 4 - Single Core	871
Geekbench 4 - Multi-Core	3046

Compare specifications (specs)

	Intel Xeon E3-1220 v6	Intel Xeon X5647
Essentials
Architecture codename	Kaby Lake	Westmere EP
Launch date	Q1'17	February 2011
Place in performance rating	1659	1648
Processor Number	E3-1220V6	X5647
Series	Intel® Xeon® Processor E3 v6 Family	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$175
Price now		$199.75
Value for money (0-100)		8.82
Performance
64 bit support
Base frequency	3.00 GHz	2.93 GHz
Bus Speed	8 GT/s DMI3	5.86 GT/s QPI
Manufacturing process technology	14 nm	32 nm
Maximum frequency	3.50 GHz	3.20 GHz
Number of cores	4	4
Number of threads	4	8
VID voltage range	0.55V-1.52V	0.750V-1.350V
Die size		239 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		12288 KB (shared)
Maximum core temperature		80.4°C
Number of QPI Links		2
Transistor count		1170 million
Memory
Max memory channels	2	3
Maximum memory bandwidth	37.5 GB/s	25.6 GB/s
Maximum memory size	64 GB	288 GB
Supported memory types	DDR4-2400, DDR3L-1866	DDR3 800/1066
ECC memory support
Graphics
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Graphics interfaces
Number of displays supported	0
Graphics image quality
4K resolution support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm	42.5mm X 45mm
Sockets supported	FCLGA1151	FCLGA1366
Thermal Design Power (TDP)	72 Watt	130 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4
Scalability	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
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2
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® Demand Based Switching
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)