Intel Xeon E3-1265L v2 vs Intel Xeon E5-4620

Comparative analysis of Intel Xeon E3-1265L v2 and Intel Xeon E5-4620 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, 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 E3-1265L v2

Intel Xeon E5-4620

Differences

Reasons to consider the Intel Xeon E3-1265L v2

Around 35% higher clock speed: 3.50 GHz vs 2.60 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2.1x lower typical power consumption: 45 Watt vs 95 Watt
Around 70% better performance in PassMark - Single thread mark: 1653 vs 974

Specifications (specs)
Maximum frequency	3.50 GHz vs 2.60 GHz
Manufacturing process technology	22 nm vs 32 nm
Thermal Design Power (TDP)	45 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1653 vs 974

Reasons to consider the Intel Xeon E5-4620

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
2x 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
2.2x better performance in PassMark - CPU mark: 11474 vs 5148

Specifications (specs)
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	16384 KB (shared) vs 8192 KB (shared)
Maximum memory size	384 GB vs 32.77 GB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - CPU mark	11474 vs 5148

Compare benchmarks

CPU 1: Intel Xeon E3-1265L v2
CPU 2: Intel Xeon E5-4620

PassMark - Single thread mark

CPU 1

CPU 2

1653

974

PassMark - CPU mark

CPU 1

CPU 2

5148

11474

Name	Intel Xeon E3-1265L v2	Intel Xeon E5-4620
PassMark - Single thread mark	1653	974
PassMark - CPU mark	5148	11474
Geekbench 4 - Single Core	592
Geekbench 4 - Multi-Core	2402

Compare specifications (specs)

	Intel Xeon E3-1265L v2	Intel Xeon E5-4620
Essentials
Architecture codename	Ivy Bridge	Sandy Bridge EP
Launch date	May 2012	May 2012
Launch price (MSRP)	$142	$400
Place in performance rating	1954	1955
Price now	$142.42	$189
Processor Number	E3-1265LV2	E5-4620
Series	Intel® Xeon® Processor E3 v2 Family	Intel® Xeon® Processor E5 Family
Status	Discontinued	Discontinued
Value for money (0-100)	16.10	12.66
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.50 GHz	2.20 GHz
Bus Speed	5 GT/s DMI	7.2 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)	16384 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum frequency	3.50 GHz	2.60 GHz
Number of cores	4	8
Number of threads	8	16
Transistor count	1400 million	2270 million
Number of QPI Links		2
VID voltage range		0.6V-1.35V
Memory
ECC memory support
Max memory channels	2	4
Maximum memory size	32.77 GB	384 GB
Supported memory types	DDR3 1333/1600	DDR3 800/1066/1333
Maximum memory bandwidth		42.6 GB/s
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
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	4
Sockets supported	FCLGA1155	FCLGA2011
Thermal Design Power (TDP)	45 Watt	95 Watt
Package Size		52.5mm x 45.0mm
Peripherals
PCI Express revision	3.0	3.0
PCIe configurations	1x16 & 1x4, 2x8 & 1x4 or 1x8 & 3x4
Max number of PCIe lanes		40
Scalability		4S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
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® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Intel® Demand Based Switching
Intel® Flex Memory Access
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)