Intel Xeon E5-2620 vs Intel Xeon X5675

Comparative analysis of Intel Xeon E5-2620 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, 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), 3DMark Fire Strike - Physics Score.

Intel Xeon E5-2620

Intel Xeon X5675

Differences

Reasons to consider the Intel Xeon E5-2620

CPU is newer: launch date 1 year(s) 0 month(s) later
Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 33% higher maximum memory size: 384 GB vs 288 GB
8.8x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 26.433 vs 2.995
2.4x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 139.281 vs 58.16
Around 40% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.292 vs 0.923
Around 67% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 6.286 vs 3.77
2.5x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 35.214 vs 14.068

Specifications (specs)
Launch date	March 2012 vs February 2011
L3 cache	15360 KB (shared) vs 12288 KB (shared)
Maximum memory size	384 GB vs 288 GB
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	26.433 vs 2.995
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	139.281 vs 58.16
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.292 vs 0.923
CompuBench 1.5 Desktop - Video Composition (Frames/s)	6.286 vs 3.77
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	35.214 vs 14.068

Reasons to consider the Intel Xeon X5675

Around 38% higher clock speed: 3.46 GHz vs 2.50 GHz
Around 5% higher maximum core temperature: 81.3°C vs 77.4°C
Around 34% better performance in PassMark - Single thread mark: 1512 vs 1132
Around 19% better performance in PassMark - CPU mark: 11633 vs 9796
Around 30% better performance in Geekbench 4 - Single Core: 588 vs 451
Around 23% better performance in Geekbench 4 - Multi-Core: 3454 vs 2805

Specifications (specs)
Maximum frequency	3.46 GHz vs 2.50 GHz
Maximum core temperature	81.3°C vs 77.4°C
Benchmarks
PassMark - Single thread mark	1512 vs 1132
PassMark - CPU mark	11633 vs 9796
Geekbench 4 - Single Core	588 vs 451
Geekbench 4 - Multi-Core	3454 vs 2805

Compare benchmarks

CPU 1: Intel Xeon E5-2620
CPU 2: Intel Xeon X5675

PassMark - Single thread mark

CPU 1

CPU 2

1132

1512

PassMark - CPU mark

CPU 1

CPU 2

9796

11633

Geekbench 4 - Single Core

CPU 1

CPU 2

451

588

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2805

3454

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

26.433

2.995

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

139.281

58.16

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

1.292

0.923

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

6.286

3.77

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

35.214

14.068

Name	Intel Xeon E5-2620	Intel Xeon X5675
PassMark - Single thread mark	1132	1512
PassMark - CPU mark	9796	11633
Geekbench 4 - Single Core	451	588
Geekbench 4 - Multi-Core	2805	3454
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	26.433	2.995
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	139.281	58.16
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.292	0.923
CompuBench 1.5 Desktop - Video Composition (Frames/s)	6.286	3.77
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	35.214	14.068
3DMark Fire Strike - Physics Score		4712

Compare specifications (specs)

	Intel Xeon E5-2620	Intel Xeon X5675
Essentials
Architecture codename	Sandy Bridge EP	Westmere EP
Launch date	March 2012	February 2011
Launch price (MSRP)	$36	$162
Place in performance rating	1690	2125
Price now	$34.65	$79.99
Processor Number	E5-2620	X5675
Series	Intel® Xeon® Processor E5 Family	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Value for money (0-100)	67.37	30.70
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.00 GHz	3.06 GHz
Bus Speed	7.2 GT/s QPI	6.4 GT/s QPI
Die size	435 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	15360 KB (shared)	12288 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	77.4°C	81.3°C
Maximum frequency	2.50 GHz	3.46 GHz
Number of cores	6	6
Number of QPI Links	2	2
Number of threads	12	12
Transistor count	2270 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	42.6 GB/s	32 GB/s
Maximum memory size	384 GB	288 GB
Supported memory types	DDR3 800/1066/1333	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	52.5mm x 45.0mm	42.5mm X 45mm
Sockets supported	FCLGA2011	FCLGA1366
Thermal Design Power (TDP)	95 Watt	95 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
Scalability	2S Only
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)