Intel Core i7-875K vs Intel Core i7-870

Comparative analysis of Intel Core i7-875K and Intel Core i7-870 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 i7-870

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
Around 4% better performance in Geekbench 4 - Single Core: 567 vs 547
Around 6% better performance in Geekbench 4 - Multi-Core: 2163 vs 2032
Around 2% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.35 vs 0.342

Specifications (specs)
Launch date	May 2010 vs September 2009
Unlocked	Unlocked vs Locked
Benchmarks
Geekbench 4 - Single Core	567 vs 547
Geekbench 4 - Multi-Core	2163 vs 2032
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.35 vs 0.342

Reasons to consider the Intel Core i7-870

Around 2% better performance in PassMark - Single thread mark: 1384 vs 1351
Around 1% better performance in PassMark - CPU mark: 3141 vs 3100
Around 11% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 1.029 vs 0.925
Around 4% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 53.478 vs 51.608
Around 34% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.541 vs 1.146
Around 3% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.602 vs 4.459

Benchmarks
PassMark - Single thread mark	1384 vs 1351
PassMark - CPU mark	3141 vs 3100
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.029 vs 0.925
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	53.478 vs 51.608
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.541 vs 1.146
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.602 vs 4.459

Compare benchmarks

CPU 1: Intel Core i7-875K
CPU 2: Intel Core i7-870

PassMark - Single thread mark

CPU 1

CPU 2

1351

1384

PassMark - CPU mark

CPU 1

CPU 2

3100

3141

Geekbench 4 - Single Core

CPU 1

CPU 2

567

547

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2163

2032

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.925

1.029

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

CPU 1

CPU 2

51.608

53.478

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

CPU 1

CPU 2

0.35

0.342

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.146

1.541

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.459

4.602

Name	Intel Core i7-875K	Intel Core i7-870
PassMark - Single thread mark	1351	1384
PassMark - CPU mark	3100	3141
Geekbench 4 - Single Core	567	547
Geekbench 4 - Multi-Core	2163	2032
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.925	1.029
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	51.608	53.478
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.35	0.342
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.146	1.541
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.459	4.602
3DMark Fire Strike - Physics Score		2453

Compare specifications (specs)

	Intel Core i7-875K	Intel Core i7-870
Essentials
Architecture codename	Lynnfield	Lynnfield
Launch date	May 2010	September 2009
Launch price (MSRP)	$486	$197
Place in performance rating	2698	2671
Price now	$485.01	$98.99
Processor Number	i7-875K	i7-870
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	3.30	15.90
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.93 GHz	2.93 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	3.60 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)