Intel Core i7-875K vs Intel Core i7-880

Comparative analysis of Intel Core i7-875K and Intel Core i7-880 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 Core i7-875K

Intel Core i7-880

Differences

Reasons to consider the Intel Core i7-875K

Processor is unlocked, an unlocked multiplier allows for easier overclocking

Unlocked	Unlocked vs Locked

Reasons to consider the Intel Core i7-880

Around 4% higher clock speed: 3.73 GHz vs 3.60 GHz
Around 8% better performance in PassMark - Single thread mark: 1457 vs 1351
Around 9% better performance in PassMark - CPU mark: 3413 vs 3124
Around 4% better performance in Geekbench 4 - Single Core: 589 vs 567
Around 2% better performance in Geekbench 4 - Multi-Core: 2203 vs 2163

Specifications (specs)
Maximum frequency	3.73 GHz vs 3.60 GHz
Benchmarks
PassMark - Single thread mark	1457 vs 1351
PassMark - CPU mark	3413 vs 3124
Geekbench 4 - Single Core	589 vs 567
Geekbench 4 - Multi-Core	2203 vs 2163

Compare benchmarks

CPU 1: Intel Core i7-875K
CPU 2: Intel Core i7-880

PassMark - Single thread mark

CPU 1

CPU 2

1351

1457

PassMark - CPU mark

CPU 1

CPU 2

3124

3413

Geekbench 4 - Single Core

CPU 1

CPU 2

567

589

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2163

2203

Name	Intel Core i7-875K	Intel Core i7-880
PassMark - Single thread mark	1351	1457
PassMark - CPU mark	3124	3413
Geekbench 4 - Single Core	567	589
Geekbench 4 - Multi-Core	2163	2203
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 Core i7-875K	Intel Core i7-880
Essentials
Architecture codename	Lynnfield	Lynnfield
Launch date	May 2010	May 2010
Launch price (MSRP)	$486	$583
Place in performance rating	2724	2116
Price now	$485.01	$583
Processor Number	i7-875K	i7-880
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	3.30	2.83
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.93 GHz	3.06 GHz
Bus Speed	2.5 GT/s DMI	2.5 GT/s DMI
Die size	296 mm2	296 mm2
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)	8192 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	72.7°C	72.7°C
Maximum frequency	3.60 GHz	3.73 GHz
Number of cores	4	4
Number of threads	8	8
Transistor count	774 million	774 million
Unlocked
VID voltage range	0.6500V-1.4000V	0.6500V-1.4000V
Memory
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	21 GB/s
Maximum memory size	16 GB	16 GB
Supported memory types	DDR3 1066/1333	DDR3 1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	LGA1156	LGA1156
Thermal Design Power (TDP)	95 Watt	95 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	2.0
PCIe configurations	1x16, 2x8	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® 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	36-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Intel® Virtualization Technology for Directed I/O (VT-d)