Intel Xeon E5-1650 v2 vs Intel Xeon E5-2643

Comparative analysis of Intel Xeon E5-1650 v2 and Intel Xeon E5-2643 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, 3DMark Fire Strike - Physics Score, 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 E5-1650 v2

Intel Xeon E5-2643

Differences

Reasons to consider the Intel Xeon E5-1650 v2

CPU is newer: launch date 1 year(s) 6 month(s) later
2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 11% higher clock speed: 3.90 GHz vs 3.50 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 20% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 28% better performance in PassMark - Single thread mark: 2050 vs 1607
Around 23% better performance in Geekbench 4 - Single Core: 783 vs 638
Around 75% better performance in Geekbench 4 - Multi-Core: 4838 vs 2761

Specifications (specs)
Launch date	September 2013 vs March 2012
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum frequency	3.90 GHz vs 3.50 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	12288 KB (shared) vs 10240 KB (shared)
Benchmarks
PassMark - Single thread mark	2050 vs 1607
Geekbench 4 - Single Core	783 vs 638
Geekbench 4 - Multi-Core	4838 vs 2761

Reasons to consider the Intel Xeon E5-2643

Around 4% higher maximum core temperature: 73°C vs 70°C
Around 50% higher maximum memory size: 384 GB vs 256 GB
Around 5% better performance in PassMark - CPU mark: 9795 vs 9331

Specifications (specs)
Maximum core temperature	73°C vs 70°C
Maximum memory size	384 GB vs 256 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	9795 vs 9331

Compare benchmarks

CPU 1: Intel Xeon E5-1650 v2
CPU 2: Intel Xeon E5-2643

PassMark - Single thread mark

CPU 1

CPU 2

2050

1607

PassMark - CPU mark

CPU 1

CPU 2

9331

9795

Geekbench 4 - Single Core

CPU 1

CPU 2

783

638

Geekbench 4 - Multi-Core

CPU 1

CPU 2

4838

2761

Name	Intel Xeon E5-1650 v2	Intel Xeon E5-2643
PassMark - Single thread mark	2050	1607
PassMark - CPU mark	9331	9795
Geekbench 4 - Single Core	783	638
Geekbench 4 - Multi-Core	4838	2761
3DMark Fire Strike - Physics Score	5795
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.106
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	67.646
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.842
CompuBench 1.5 Desktop - Video Composition (Frames/s)	3.4
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	8.992

Compare specifications (specs)

	Intel Xeon E5-1650 v2	Intel Xeon E5-2643
Essentials
Architecture codename	Ivy Bridge EP	Sandy Bridge EP
Launch date	September 2013	March 2012
Launch price (MSRP)	$917	$218
Place in performance rating	1879	1863
Price now	$644.95	$2,664
Processor Number	E5-1650V2	E5-2643
Series	Intel® Xeon® Processor E5 v2 Family	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Value for money (0-100)	5.81	0.93
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.50 GHz	3.30 GHz
Bus Speed	0 GT/s QPI	8 GT/s QPI
Die size	160 mm	294 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	12288 KB (shared)	10240 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	70°C	73°C
Maximum frequency	3.90 GHz	3.50 GHz
Number of cores	6	4
Number of QPI Links	0	2
Number of threads	12	8
Transistor count	1400 million	1270 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	256 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	1	2
Package Size	52.5mm x 45.0 mm	52.5mm x 45.0mm
Sockets supported	FCLGA2011	FCLGA2011
Thermal Design Power (TDP)	130 Watt	130 Watt
Peripherals
Max number of PCIe lanes	40	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16
Scalability	1S 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
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)