Intel Core i7-875K vs Intel Core i5-650

Comparative analysis of Intel Core i7-875K and Intel Core i5-650 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. 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 i5-650

Differences

Reasons to consider the Intel Core i7-875K

CPU is newer: launch date 3 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 4% higher clock speed: 3.60 GHz vs 3.46 GHz
Around 0% higher maximum core temperature: 72.7°C vs 72.6°C
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 38% better performance in PassMark - CPU mark: 3100 vs 2253
Around 9% better performance in Geekbench 4 - Single Core: 567 vs 520
Around 88% better performance in Geekbench 4 - Multi-Core: 2163 vs 1152
Around 73% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 51.608 vs 29.917
Around 86% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.459 vs 2.394

Specifications (specs)
Launch date	May 2010 vs January 2010
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	3.60 GHz vs 3.46 GHz
Maximum core temperature	72.7°C vs 72.6°C
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	8192 KB (shared) vs 4096 KB (shared)
Benchmarks
PassMark - CPU mark	3100 vs 2253
Geekbench 4 - Single Core	567 vs 520
Geekbench 4 - Multi-Core	2163 vs 1152
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	51.608 vs 29.917
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.459 vs 2.394

Reasons to consider the Intel Core i5-650

A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 2% higher maximum memory size: 16.38 GB vs 16 GB
Around 30% lower typical power consumption: 73 Watt vs 95 Watt
Around 1% better performance in PassMark - Single thread mark: 1369 vs 1351
6.4x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 5.924 vs 0.925

Specifications (specs)
Manufacturing process technology	32 nm vs 45 nm
Maximum memory size	16.38 GB vs 16 GB
Thermal Design Power (TDP)	73 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1369 vs 1351
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	5.924 vs 0.925

Compare benchmarks

CPU 1: Intel Core i7-875K
CPU 2: Intel Core i5-650

PassMark - Single thread mark

CPU 1

CPU 2

1351

1369

PassMark - CPU mark

CPU 1

CPU 2

3100

2253

Geekbench 4 - Single Core

CPU 1

CPU 2

567

520

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2163

1152

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.925

5.924

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

CPU 1

CPU 2

51.608

29.917

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.459

2.394

Name	Intel Core i7-875K	Intel Core i5-650
PassMark - Single thread mark	1351	1369
PassMark - CPU mark	3100	2253
Geekbench 4 - Single Core	567	520
Geekbench 4 - Multi-Core	2163	1152
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.925	5.924
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	51.608	29.917
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	2.394

Compare specifications (specs)

	Intel Core i7-875K	Intel Core i5-650
Essentials
Architecture codename	Lynnfield	Clarkdale
Launch date	May 2010	January 2010
Launch price (MSRP)	$486	$35
Place in performance rating	2698	2669
Price now	$485.01	$99.99
Processor Number	i7-875K	i5-650
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	3.30	9.14
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.93 GHz	3.20 GHz
Bus Speed	2.5 GT/s DMI	2.5 GT/s DMI
Die size	296 mm2	81 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)	4096 KB (shared)
Manufacturing process technology	45 nm	32 nm
Maximum core temperature	72.7°C	72.6°C
Maximum frequency	3.60 GHz	3.46 GHz
Number of cores	4	2
Number of threads	8	4
Transistor count	774 million	382 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	16.38 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	FCLGA1156
Thermal Design Power (TDP)	95 Watt	73 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
Flexible Display interface (FDI)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Intel® Virtualization Technology for Directed I/O (VT-d)
Graphics
Graphics base frequency		733 MHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics		Intel HD Graphics
Graphics interfaces
Number of displays supported		2