Intel Aubrey Isle vs Intel Core i7-875K

Comparative analysis of Intel Aubrey Isle and Intel Core i7-875K 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).

Intel Aubrey Isle

Intel Core i7-875K

Differences

Reasons to consider the Intel Aubrey Isle

28 more cores, run more applications at once: 32 vs 4
4x more L1 cache, more data can be stored in the L1 cache for quick access later
8x more L2 cache, more data can be stored in the L2 cache for quick access later

Number of cores	32 vs 4
L1 cache	32 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)

Reasons to consider the Intel Core i7-875K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 200% higher clock speed: 3.60 GHz vs 1.2 GHz
3.2x lower typical power consumption: 95 Watt vs 300 Watt

Unlocked	Unlocked vs Locked
Maximum frequency	3.60 GHz vs 1.2 GHz
Thermal Design Power (TDP)	95 Watt vs 300 Watt

Compare benchmarks

CPU 1: Intel Aubrey Isle
CPU 2: Intel Core i7-875K

Name	Intel Aubrey Isle	Intel Core i7-875K
PassMark - Single thread mark		1351
PassMark - CPU mark		3100
Geekbench 4 - Single Core		567
Geekbench 4 - Multi-Core		2163
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.925
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		51.608
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.35
CompuBench 1.5 Desktop - Video Composition (Frames/s)		1.146
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		4.459

Compare specifications (specs)

	Intel Aubrey Isle	Intel Core i7-875K
Essentials
Architecture codename	Knights Ferry	Lynnfield
Launch date	May 2010	May 2010
Place in performance rating	not rated	2715
Vertical segment	Server	Desktop
Launch price (MSRP)		$486
Price now		$485.01
Processor Number		i7-875K
Series		Legacy Intel® Core™ Processors
Status		Discontinued
Value for money (0-100)		3.30
Performance
Die size	684 mm	296 mm2
L1 cache	32 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	1.2 GHz	3.60 GHz
Number of cores	32	4
Transistor count	2300 million	774 million
64 bit support
Base frequency		2.93 GHz
Bus Speed		2.5 GT/s DMI
L3 cache		8192 KB (shared)
Maximum core temperature		72.7°C
Number of threads		8
Unlocked
VID voltage range		0.6500V-1.4000V
Memory
Supported memory types	DDR3	DDR3 1066/1333
Max memory channels		2
Maximum memory bandwidth		21 GB/s
Maximum memory size		16 GB
Compatibility
Max number of CPUs in a configuration	1	1
Thermal Design Power (TDP)	300 Watt	95 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Sockets supported		LGA1156
Peripherals
Max number of PCIe lanes		16
PCI Express revision		2.0
PCIe configurations		1x16, 2x8
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)		36-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)