Intel Core i7-875K vs Intel Core i5-750

Comparative analysis of Intel Core i7-875K and Intel Core i5-750 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 Core i7-875K

Intel Core i5-750

Differences

Reasons to consider the Intel Core i7-875K

CPU is newer: launch date 7 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more threads: 8 vs 4
Around 13% higher clock speed: 3.60 GHz vs 3.20 GHz
Around 10% better performance in PassMark - Single thread mark: 1351 vs 1228
Around 23% better performance in PassMark - CPU mark: 3124 vs 2534
Around 13% better performance in Geekbench 4 - Single Core: 567 vs 502
Around 36% better performance in Geekbench 4 - Multi-Core: 2163 vs 1587
Around 63% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.925 vs 0.569
Around 4% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 51.608 vs 49.474
Around 61% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.35 vs 0.218
Around 4% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.459 vs 4.294

Specifications (specs)
Launch date	May 2010 vs 23 September 2009
Unlocked	Unlocked vs Locked
Number of threads	8 vs 4
Maximum frequency	3.60 GHz vs 3.20 GHz
Benchmarks
PassMark - Single thread mark	1351 vs 1228
PassMark - CPU mark	3124 vs 2534
Geekbench 4 - Single Core	567 vs 502
Geekbench 4 - Multi-Core	2163 vs 1587
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.925 vs 0.569
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	51.608 vs 49.474
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.35 vs 0.218
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.459 vs 4.294

Reasons to consider the Intel Core i5-750

Around 4% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.196 vs 1.146

Benchmarks
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.196 vs 1.146

Compare benchmarks

CPU 1: Intel Core i7-875K
CPU 2: Intel Core i5-750

PassMark - Single thread mark

CPU 1

CPU 2

1351

1228

PassMark - CPU mark

CPU 1

CPU 2

3124

2534

Geekbench 4 - Single Core

CPU 1

CPU 2

567

502

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2163

1587

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.925

0.569

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

CPU 1

CPU 2

51.608

49.474

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

CPU 1

CPU 2

0.35

0.218

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.146

1.196

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.459

4.294

Name	Intel Core i7-875K	Intel Core i5-750
PassMark - Single thread mark	1351	1228
PassMark - CPU mark	3124	2534
Geekbench 4 - Single Core	567	502
Geekbench 4 - Multi-Core	2163	1587
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.925	0.569
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	51.608	49.474
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.35	0.218
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.146	1.196
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.459	4.294
3DMark Fire Strike - Physics Score		1761

Compare specifications (specs)

	Intel Core i7-875K	Intel Core i5-750
Essentials
Architecture codename	Lynnfield	Lynnfield
Launch date	May 2010	23 September 2009
Launch price (MSRP)	$486	$150
Place in performance rating	2724	2833
Price now	$485.01	$160.50
Processor Number	i7-875K	i5-750
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	3.30	6.78
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.93 GHz	2.66 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)	256 KB
L2 cache	256 KB (per core)	1 MB
L3 cache	8192 KB (shared)	8 MB
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	72.7°C	72.7°C
Maximum frequency	3.60 GHz	3.20 GHz
Number of cores	4	4
Number of threads	8	4
Transistor count	774 million	774 million
Unlocked
VID voltage range	0.6500V-1.4000V	0.6500V-1.4000V
Front-side bus (FSB)		2500 MHz
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)