Intel Xeon E5-2650 v2 vs Intel Xeon E3-1265L v2

Comparative analysis of Intel Xeon E5-2650 v2 and Intel Xeon E3-1265L v2 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. 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 E5-2650 v2

Intel Xeon E3-1265L v2

Differences

Reasons to consider the Intel Xeon E5-2650 v2

CPU is newer: launch date 1 year(s) 4 month(s) later
4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
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
23.4x more maximum memory size: 768 GB vs 32.77 GB
Around 2% better performance in PassMark - Single thread mark: 1657 vs 1618
3.4x better performance in PassMark - CPU mark: 17381 vs 5099
Around 4% better performance in Geekbench 4 - Single Core: 618 vs 592
2x better performance in Geekbench 4 - Multi-Core: 4894 vs 2402

Specifications (specs)
Launch date	September 2013 vs May 2012
Number of cores	8 vs 4
Number of threads	16 vs 8
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	768 GB vs 32.77 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	1657 vs 1618
PassMark - CPU mark	17381 vs 5099
Geekbench 4 - Single Core	618 vs 592
Geekbench 4 - Multi-Core	4894 vs 2402

Reasons to consider the Intel Xeon E3-1265L v2

Around 3% higher clock speed: 3.50 GHz vs 3.40 GHz
2.1x lower typical power consumption: 45 Watt vs 95 Watt

Maximum frequency	3.50 GHz vs 3.40 GHz
Thermal Design Power (TDP)	45 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-2650 v2
CPU 2: Intel Xeon E3-1265L v2

PassMark - Single thread mark

CPU 1

CPU 2

1657

1618

PassMark - CPU mark

CPU 1

CPU 2

17381

5099

Geekbench 4 - Single Core

CPU 1

CPU 2

618

592

Geekbench 4 - Multi-Core

CPU 1

CPU 2

4894

2402

Name	Intel Xeon E5-2650 v2	Intel Xeon E3-1265L v2
PassMark - Single thread mark	1657	1618
PassMark - CPU mark	17381	5099
Geekbench 4 - Single Core	618	592
Geekbench 4 - Multi-Core	4894	2402
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.754
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	67.377
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.893
CompuBench 1.5 Desktop - Video Composition (Frames/s)	3.684
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	9.875

Compare specifications (specs)

	Intel Xeon E5-2650 v2	Intel Xeon E3-1265L v2
Essentials
Architecture codename	Ivy Bridge EP	Ivy Bridge
Launch date	September 2013	May 2012
Launch price (MSRP)	$650	$142
Place in performance rating	2035	1979
Price now	$260.56	$142.42
Processor Number	E5-2650V2	E3-1265LV2
Series	Intel® Xeon® Processor E5 v2 Family	Intel® Xeon® Processor E3 v2 Family
Status	Launched	Discontinued
Value for money (0-100)	14.78	16.10
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.60 GHz	2.50 GHz
Bus Speed	8 GT/s QPI	5 GT/s DMI
Die size	160 mm	160 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	20480 KB (shared)	8192 KB (shared)
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	75°C
Maximum frequency	3.40 GHz	3.50 GHz
Number of cores	8	4
Number of QPI Links	2
Number of threads	16	8
Transistor count	1400 million	1400 million
VID voltage range	0.65–1.30V
Memory
ECC memory support
Max memory channels	4	2
Maximum memory bandwidth	59.7 GB/s
Maximum memory size	768 GB	32.77 GB
Supported memory types	DDR3 800/1066/1333/1600/1866	DDR3 1333/1600
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	52.5mm x 51mm
Sockets supported	FCLGA2011	FCLGA1155
Thermal Design Power (TDP)	95 Watt	45 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	1x16 & 1x4, 2x8 & 1x4 or 1x8 & 3x4
Scalability	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® SSE4.1, Intel® SSE4.2, 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
Flexible Display interface (FDI)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Graphics base frequency		650 MHz
Graphics max dynamic frequency		1.15 GHz
Graphics max frequency		1.15 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics		Intel® HD Graphics 2500
Graphics interfaces
Number of displays supported		3