Intel Xeon E5-2623 v3 vs Intel Xeon E5-2403 v2

Comparative analysis of Intel Xeon E5-2623 v3 and Intel Xeon E5-2403 v2 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 E5-2623 v3

Intel Xeon E5-2403 v2

Differences

Reasons to consider the Intel Xeon E5-2623 v3

4 more threads: 8 vs 4
Around 94% higher clock speed: 3.50 GHz vs 1.80 GHz
Around 6% higher maximum core temperature: 80.2°C vs 76°C
2x more maximum memory size: 768 GB vs 384 GB
Around 96% better performance in PassMark - Single thread mark: 1944 vs 991
4.1x better performance in PassMark - CPU mark: 11655 vs 2873

Specifications (specs)
Number of threads	8 vs 4
Maximum frequency	3.50 GHz vs 1.80 GHz
Maximum core temperature	80.2°C vs 76°C
Maximum memory size	768 GB vs 384 GB
Benchmarks
PassMark - Single thread mark	1944 vs 991
PassMark - CPU mark	11655 vs 2873

Reasons to consider the Intel Xeon E5-2403 v2

Around 31% lower typical power consumption: 80 Watt vs 105 Watt
2.3x better performance in Geekbench 4 - Single Core: 1770 vs 775
Around 84% better performance in Geekbench 4 - Multi-Core: 5855 vs 3176

Specifications (specs)
Thermal Design Power (TDP)	80 Watt vs 105 Watt
Benchmarks
Geekbench 4 - Single Core	1770 vs 775
Geekbench 4 - Multi-Core	5855 vs 3176

Compare benchmarks

CPU 1: Intel Xeon E5-2623 v3
CPU 2: Intel Xeon E5-2403 v2

PassMark - Single thread mark

CPU 1

CPU 2

1944

991

PassMark - CPU mark

CPU 1

CPU 2

11655

2873

Geekbench 4 - Single Core

CPU 1

CPU 2

775

1770

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3176

5855

Name	Intel Xeon E5-2623 v3	Intel Xeon E5-2403 v2
PassMark - Single thread mark	1944	991
PassMark - CPU mark	11655	2873
Geekbench 4 - Single Core	775	1770
Geekbench 4 - Multi-Core	3176	5855

Compare specifications (specs)

	Intel Xeon E5-2623 v3	Intel Xeon E5-2403 v2
Essentials
Architecture codename	Haswell	Ivy Bridge EN
Launch date	Q3'14	September 2013
Place in performance rating	1493	1488
Processor Number	E5-2623V3	E5-2403V2
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E5 v2 Family
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$223
Price now		$189
Value for money (0-100)		5.33
Performance
64 bit support
Base frequency	3.00 GHz	1.80 GHz
Bus Speed	8 GT/s QPI	6.4 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	80.2°C	76°C
Maximum frequency	3.50 GHz	1.80 GHz
Number of cores	4	4
Number of QPI Links	2	1
Number of threads	8	4
VID voltage range	0.65V–1.30V	0.65-1.30V
Die size		160 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		10240 KB (shared)
Transistor count		1400 million
Memory
Max memory channels	4	3
Maximum memory bandwidth	59 GB/s	32 GB/s
Maximum memory size	768 GB	384 GB
Supported memory types	DDR4 1600/1866	DDR3 800/1066/1333
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	52.5mm x 45mm	45mm x 42.5mm
Sockets supported	FCLGA2011-3	FCLGA1356
Thermal Design Power (TDP)	105 Watt	80 Watt
Peripherals
Max number of PCIe lanes	40	24
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x4, x8, x16
Scalability	2S	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® AVX2	Intel® AVX
Intel 64
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	46-bit
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)