Intel Xeon E5-1620 vs Intel Xeon X5675

Comparative analysis of Intel Xeon E5-1620 and Intel Xeon X5675 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 E5-1620

Intel Xeon X5675

Differences

Reasons to consider the Intel Xeon E5-1620

CPU is newer: launch date 1 year(s) 0 month(s) later
Around 10% higher clock speed: 3.80 GHz vs 3.46 GHz
Around 30% higher maximum memory size: 375 GB vs 288 GB
Around 16% better performance in PassMark - Single thread mark: 1757 vs 1512
Around 24% better performance in Geekbench 4 - Single Core: 730 vs 588

Specifications (specs)
Launch date	March 2012 vs February 2011
Maximum frequency	3.80 GHz vs 3.46 GHz
Maximum memory size	375 GB vs 288 GB
Benchmarks
PassMark - Single thread mark	1757 vs 1512
Geekbench 4 - Single Core	730 vs 588

Reasons to consider the Intel Xeon X5675

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 27% higher maximum core temperature: 81.3°C vs 64.0 °C
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 37% lower typical power consumption: 95 Watt vs 130 Watt
Around 99% better performance in PassMark - CPU mark: 11655 vs 5845
Around 12% better performance in Geekbench 4 - Multi-Core: 3454 vs 3096

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum core temperature	81.3°C vs 64.0 °C
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)
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	95 Watt vs 130 Watt
Benchmarks
PassMark - CPU mark	11655 vs 5845
Geekbench 4 - Multi-Core	3454 vs 3096

Compare benchmarks

CPU 1: Intel Xeon E5-1620
CPU 2: Intel Xeon X5675

PassMark - Single thread mark

CPU 1

CPU 2

1757

1512

PassMark - CPU mark

CPU 1

CPU 2

5845

11655

Geekbench 4 - Single Core

CPU 1

CPU 2

730

588

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3096

3454

Name	Intel Xeon E5-1620	Intel Xeon X5675
PassMark - Single thread mark	1757	1512
PassMark - CPU mark	5845	11655
Geekbench 4 - Single Core	730	588
Geekbench 4 - Multi-Core	3096	3454
3DMark Fire Strike - Physics Score	0	4712
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.995
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		58.16
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.923
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.77
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		14.068

Compare specifications (specs)

	Intel Xeon E5-1620	Intel Xeon X5675
Essentials
Architecture codename	Sandy Bridge EP	Westmere EP
Launch date	March 2012	February 2011
Launch price (MSRP)	$313	$162
Place in performance rating	2100	2111
Price now	$329.93	$79.99
Processor Number	E5-1620	X5675
Series	Intel® Xeon® Processor E5 Family	Legacy Intel® Xeon® Processors
Status	Discontinued	Discontinued
Value for money (0-100)	8.09	30.70
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.60 GHz	3.06 GHz
Bus Speed	0 QPI	6.4 GT/s QPI
Die size	294 mm	239 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	10240 KB (shared)	12288 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	64.0 °C	81.3°C
Maximum frequency	3.80 GHz	3.46 GHz
Number of cores	4	6
Number of QPI Links	0	2
Number of threads	8	12
Transistor count	1270 million	1170 million
VID voltage range	0.60V - 1.35V	0.750V-1.350V
Memory
ECC memory support
Max memory channels	4	3
Maximum memory bandwidth	51.2 GB/s	32 GB/s
Maximum memory size	375 GB	288 GB
Supported memory types	DDR3 800/1066/1333/1600	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	52.5mm x 45.0 mm	42.5mm X 45mm
Sockets supported	FCLGA2011	FCLGA1366
Thermal Design Power (TDP)	130 Watt	95 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)