Intel Xeon E3-1265L v3 vs Intel Xeon X5675

Comparative analysis of Intel Xeon E3-1265L v3 and Intel Xeon X5675 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, 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 E3-1265L v3

Intel Xeon X5675

Differences

Reasons to consider the Intel Xeon E3-1265L v3

CPU is newer: launch date 2 year(s) 3 month(s) later
Around 7% higher clock speed: 3.70 GHz vs 3.46 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 37% better performance in PassMark - Single thread mark: 2062 vs 1510
Around 49% better performance in Geekbench 4 - Single Core: 877 vs 588
Around 45% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.342 vs 2.995
Around 32% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 76.645 vs 58.16

Specifications (specs)
Launch date	June 2013 vs February 2011
Maximum frequency	3.70 GHz vs 3.46 GHz
Manufacturing process technology	22 nm vs 32 nm
Thermal Design Power (TDP)	45 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	2062 vs 1510
Geekbench 4 - Single Core	877 vs 588
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.342 vs 2.995
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	76.645 vs 58.16

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 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 50% more L3 cache; more data can be stored in the L3 cache for quick access later
9x more maximum memory size: 288 GB vs 32 GB
Around 88% better performance in PassMark - CPU mark: 11693 vs 6204
Around 14% better performance in Geekbench 4 - Multi-Core: 3454 vs 3027
Around 67% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.923 vs 0.552
Around 73% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 3.77 vs 2.18
2.6x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 14.068 vs 5.406

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 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	12288 KB (shared) vs 8192 KB (shared)
Maximum memory size	288 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	11693 vs 6204
Geekbench 4 - Multi-Core	3454 vs 3027
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.923 vs 0.552
CompuBench 1.5 Desktop - Video Composition (Frames/s)	3.77 vs 2.18
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	14.068 vs 5.406

Compare benchmarks

CPU 1: Intel Xeon E3-1265L v3
CPU 2: Intel Xeon X5675

PassMark - Single thread mark

CPU 1

CPU 2

2062

1510

PassMark - CPU mark

CPU 1

CPU 2

6204

11693

Geekbench 4 - Single Core

CPU 1

CPU 2

877

588

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3027

3454

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

4.342

2.995

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

CPU 1

CPU 2

76.645

58.16

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

CPU 1

CPU 2

0.552

0.923

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

2.18

3.77

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

5.406

14.068

Name	Intel Xeon E3-1265L v3	Intel Xeon X5675
PassMark - Single thread mark	2062	1510
PassMark - CPU mark	6204	11693
Geekbench 4 - Single Core	877	588
Geekbench 4 - Multi-Core	3027	3454
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.342	2.995
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	76.645	58.16
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.552	0.923
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.18	3.77
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.406	14.068
3DMark Fire Strike - Physics Score		4712

Compare specifications (specs)

	Intel Xeon E3-1265L v3	Intel Xeon X5675
Essentials
Architecture codename	Haswell	Westmere EP
Launch date	June 2013	February 2011
Launch price (MSRP)	$710	$162
Place in performance rating	2182	2172
Price now	$709.95	$79.99
Processor Number	E3-1265Lv3	X5675
Series	Intel® Xeon® Processor E3 v3 Family	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Value for money (0-100)	3.62	30.70
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.50 GHz	3.06 GHz
Bus Speed	5 GT/s DMI	6.4 GT/s QPI
Die size	160 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	8192 KB (shared)	12288 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum frequency	3.70 GHz	3.46 GHz
Number of cores	4	6
Number of QPI Links	0	2
Number of threads	8	12
Transistor count	1400 million	1170 million
Maximum core temperature		81.3°C
VID voltage range		0.750V-1.350V
Memory
ECC memory support
Max memory channels	2	3
Maximum memory bandwidth	25.6 GB/s	32 GB/s
Maximum memory size	32 GB	288 GB
Supported memory types	DDR3 and DDR3L 1333/1600 at 1.5V	DDR3 800/1066/1333
Graphics
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.20 GHz
Graphics max frequency	1.2 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics
Graphics interfaces
Number of displays supported	3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm	42.5mm X 45mm
Sockets supported	FCLGA1150	FCLGA1366
Thermal Design Power (TDP)	45 Watt	95 Watt
Thermal Solution	PCG 2013B
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	1x16, 2x8, 1x8/2x4
Scalability	1S Only
Security & Reliability
Anti-Theft technology
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
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
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)