Intel Xeon E3-1220 v2 vs Intel Xeon E5-2665

Comparative analysis of Intel Xeon E3-1220 v2 and Intel Xeon E5-2665 processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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 v2

Intel Xeon E5-2665

Differences

Reasons to consider the Intel Xeon E3-1220 v2

CPU is newer: launch date 2 month(s) later
Around 13% higher clock speed: 3.50 GHz vs 3.10 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
Around 67% lower typical power consumption: 69 Watt vs 115 Watt
Around 38% better performance in PassMark - Single thread mark: 1870 vs 1355
Around 17% better performance in Geekbench 4 - Single Core: 671 vs 573

Specifications (specs)
Launch date	May 2012 vs March 2012
Maximum frequency	3.50 GHz vs 3.10 GHz
Manufacturing process technology	22 nm vs 32 nm
Thermal Design Power (TDP)	69 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark	1870 vs 1355
Geekbench 4 - Single Core	671 vs 573

Reasons to consider the Intel Xeon E5-2665

4 more cores, run more applications at once: 8 vs 4
12 more threads: 16 vs 4
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2.5x more L3 cache, more data can be stored in the L3 cache for quick access later
11.7x more maximum memory size: 384 GB vs 32.77 GB
3x better performance in PassMark - CPU mark: 14117 vs 4667
2x better performance in Geekbench 4 - Multi-Core: 4647 vs 2310

Specifications (specs)
Number of cores	8 vs 4
Number of threads	16 vs 4
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	20480 KB (shared) vs 8192 KB (shared)
Maximum memory size	384 GB vs 32.77 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	14117 vs 4667
Geekbench 4 - Multi-Core	4647 vs 2310

Compare benchmarks

CPU 1: Intel Xeon E3-1220 v2
CPU 2: Intel Xeon E5-2665

PassMark - Single thread mark

CPU 1

CPU 2

1870

1355

PassMark - CPU mark

CPU 1

CPU 2

4667

14117

Geekbench 4 - Single Core

CPU 1

CPU 2

671

573

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2310

4647

Name	Intel Xeon E3-1220 v2	Intel Xeon E5-2665
PassMark - Single thread mark	1870	1355
PassMark - CPU mark	4667	14117
Geekbench 4 - Single Core	671	573
Geekbench 4 - Multi-Core	2310	4647

Compare specifications (specs)

	Intel Xeon E3-1220 v2	Intel Xeon E5-2665
Essentials
Architecture codename	Ivy Bridge	Sandy Bridge EP
Launch date	May 2012	March 2012
Launch price (MSRP)	$220	$142
Place in performance rating	1730	1731
Price now	$329.11	$141.50
Processor Number	E3-1220V2	E5-2665
Series	Intel® Xeon® Processor E3 v2 Family	Intel® Xeon® Processor E5 Family
Status	Discontinued	Discontinued
Value for money (0-100)	5.99	24.14
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.10 GHz	2.40 GHz
Bus Speed	5 GT/s DMI	8 GT/s QPI
Die size	160 mm	435 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	8192 KB (shared)	20480 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum frequency	3.50 GHz	3.10 GHz
Number of cores	4	8
Number of threads	4	16
Transistor count	1400 million	2270 million
Maximum core temperature		81.8°C
Number of QPI Links		2
VID voltage range		0.60V-1.35V
Memory
ECC memory support
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s	51.2 GB/s
Maximum memory size	32.77 GB	384 GB
Supported memory types	DDR3 1333/1600	DDR3 800/1066/1333/1600
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	FCLGA1155	FCLGA2011
Thermal Design Power (TDP)	69 Watt	115 Watt
Peripherals
PCI Express revision	3.0	3.0
PCIe configurations	1x16 & 1x4, 2x8 & 1x4 or 1x8 & 3x4
Max number of PCIe lanes		40
Scalability		2S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)