Intel Xeon E5-2695 v2 vs Intel Xeon E5-2665

Comparative analysis of Intel Xeon E5-2695 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, 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 E5-2695 v2

Intel Xeon E5-2665

Differences

Reasons to consider the Intel Xeon E5-2695 v2

CPU is newer: launch date 1 year(s) 6 month(s) later
4 more cores, run more applications at once: 12 vs 8
8 more threads: 24 vs 16
Around 3% higher clock speed: 3.20 GHz vs 3.10 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 768 GB vs 384 GB
Around 18% better performance in PassMark - Single thread mark: 1596 vs 1353
Around 54% better performance in PassMark - CPU mark: 21592 vs 14048
Around 47% better performance in Geekbench 4 - Multi-Core: 6824 vs 4647

Specifications (specs)
Launch date	September 2013 vs March 2012
Number of cores	12 vs 8
Number of threads	24 vs 16
Maximum frequency	3.20 GHz vs 3.10 GHz
Manufacturing process technology	22 nm vs 32 nm
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	30720 KB (shared) vs 20480 KB (shared)
Maximum memory size	768 GB vs 384 GB
Benchmarks
PassMark - Single thread mark	1596 vs 1353
PassMark - CPU mark	21592 vs 14048
Geekbench 4 - Multi-Core	6824 vs 4647

Reasons to consider the Intel Xeon E5-2665

Around 1% higher maximum core temperature: 81.8°C vs 81°C
Around 1% better performance in Geekbench 4 - Single Core: 573 vs 567

Specifications (specs)
Maximum core temperature	81.8°C vs 81°C
Benchmarks
Geekbench 4 - Single Core	573 vs 567

Compare benchmarks

CPU 1: Intel Xeon E5-2695 v2
CPU 2: Intel Xeon E5-2665

PassMark - Single thread mark

CPU 1

CPU 2

1596

1353

PassMark - CPU mark

CPU 1

CPU 2

21592

14048

Geekbench 4 - Single Core

CPU 1

CPU 2

567

573

Geekbench 4 - Multi-Core

CPU 1

CPU 2

6824

4647

Name	Intel Xeon E5-2695 v2	Intel Xeon E5-2665
PassMark - Single thread mark	1596	1353
PassMark - CPU mark	21592	14048
Geekbench 4 - Single Core	567	573
Geekbench 4 - Multi-Core	6824	4647
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	9.589
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	69.924
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.079
CompuBench 1.5 Desktop - Video Composition (Frames/s)	5.007
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	13.879

Compare specifications (specs)

	Intel Xeon E5-2695 v2	Intel Xeon E5-2665
Essentials
Architecture codename	Ivy Bridge EP	Sandy Bridge EP
Launch date	September 2013	March 2012
Launch price (MSRP)	$1,950	$142
Place in performance rating	1845	1858
Price now	$1,779.95	$141.50
Processor Number	E5-2695V2	E5-2665
Series	Intel® Xeon® Processor E5 v2 Family	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Value for money (0-100)	2.62	24.14
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.40 GHz	2.40 GHz
Bus Speed	8 GT/s QPI	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	30720 KB (shared)	20480 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	81°C	81.8°C
Maximum frequency	3.20 GHz	3.10 GHz
Number of cores	12	8
Number of QPI Links	2	2
Number of threads	24	16
Transistor count	1400 million	2270 million
VID voltage range	0.65–1.30V	0.60V-1.35V
Memory
ECC memory support
Max memory channels	4	4
Maximum memory bandwidth	59.7 GB/s	51.2 GB/s
Maximum memory size	768 GB	384 GB
Supported memory types	DDR3 800/1066/1333/1600/1866	DDR3 800/1066/1333/1600
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	52.5mm x 51mm	52.5mm x 45.0mm
Sockets supported	FCLGA2011	FCLGA2011
Thermal Design Power (TDP)	115 Watt	115 Watt
Peripherals
Max number of PCIe lanes	40	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16
Scalability	2S Only	2S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	46-bit
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)