Intel Xeon E3-1220 v6 vs Intel Xeon E5-2603

Comparative analysis of Intel Xeon E3-1220 v6 and Intel Xeon E5-2603 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 E5-2603

Differences

Reasons to consider the Intel Xeon E3-1220 v6

Around 94% higher clock speed: 3.50 GHz vs 1.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
Around 11% lower typical power consumption: 72 Watt vs 80 Watt
2.2x better performance in PassMark - Single thread mark: 1884 vs 873
Around 30% better performance in PassMark - CPU mark: 5783 vs 4433

Specifications (specs)
Maximum frequency	3.50 GHz vs 1.8 GHz
Manufacturing process technology	14 nm vs 32 nm
Thermal Design Power (TDP)	72 Watt vs 80 Watt
Benchmarks
PassMark - Single thread mark	1884 vs 873
PassMark - CPU mark	5783 vs 4433

Reasons to consider the Intel Xeon E5-2603

6x more maximum memory size: 384 GB vs 64 GB
2x better performance in Geekbench 4 - Single Core: 1771 vs 871
Around 73% better performance in Geekbench 4 - Multi-Core: 5271 vs 3046

Specifications (specs)
Maximum memory size	384 GB vs 64 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
Geekbench 4 - Single Core	1771 vs 871
Geekbench 4 - Multi-Core	5271 vs 3046

Compare benchmarks

CPU 1: Intel Xeon E3-1220 v6
CPU 2: Intel Xeon E5-2603

PassMark - Single thread mark

CPU 1

CPU 2

1884

873

PassMark - CPU mark

CPU 1

CPU 2

5783

4433

Geekbench 4 - Single Core

CPU 1

CPU 2

871

1771

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3046

5271

Name	Intel Xeon E3-1220 v6	Intel Xeon E5-2603
PassMark - Single thread mark	1884	873
PassMark - CPU mark	5783	4433
Geekbench 4 - Single Core	871	1771
Geekbench 4 - Multi-Core	3046	5271

Compare specifications (specs)

	Intel Xeon E3-1220 v6	Intel Xeon E5-2603
Essentials
Architecture codename	Kaby Lake	Sandy Bridge EP
Launch date	Q1'17	March 2012
Place in performance rating	1645	1629
Processor Number	E3-1220V6	E5-2603
Series	Intel® Xeon® Processor E3 v6 Family	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$207
Price now		$27.84
Value for money (0-100)		37.88
Performance
64 bit support
Base frequency	3.00 GHz	1.80 GHz
Bus Speed	8 GT/s DMI3	6.4 GT/s QPI
Manufacturing process technology	14 nm	32 nm
Maximum frequency	3.50 GHz	1.8 GHz
Number of cores	4	4
Number of threads	4	4
VID voltage range	0.55V-1.52V	0.60V-1.35V
Die size		294 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		10240 KB (shared)
Maximum core temperature		70.0°C
Number of QPI Links		2
Transistor count		1270 million
Memory
Max memory channels	2	4
Maximum memory bandwidth	37.5 GB/s	34.1 GB/s
Maximum memory size	64 GB	384 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	52.5mm x 45.0mm
Sockets supported	FCLGA1151	FCLGA2011
Thermal Design Power (TDP)	72 Watt	80 Watt
Peripherals
Max number of PCIe lanes	16	40
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4
Scalability	1S Only	2S 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® AVX
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® Demand Based Switching
Intel® Flex Memory Access
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)