Intel Core i7-875K vs Intel Pentium E5300

Comparative analysis of Intel Core i7-875K and Intel Pentium E5300 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 Pentium E5300

Differences

Reasons to consider the Intel Core i7-875K

CPU is newer: launch date 1 year(s) 6 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
Around 38% higher clock speed: 3.60 GHz vs 2.6 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 32% better performance in PassMark - Single thread mark: 1351 vs 1024
3.4x better performance in PassMark - CPU mark: 3124 vs 921
Around 79% better performance in Geekbench 4 - Single Core: 567 vs 316
3.9x better performance in Geekbench 4 - Multi-Core: 2163 vs 554

Specifications (specs)
Launch date	May 2010 vs November 2008
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Maximum frequency	3.60 GHz vs 2.6 GHz
L1 cache	64 KB (per core) vs 64 KB (per core)
Benchmarks
PassMark - Single thread mark	1351 vs 1024
PassMark - CPU mark	3124 vs 921
Geekbench 4 - Single Core	567 vs 316
Geekbench 4 - Multi-Core	2163 vs 554

Reasons to consider the Intel Pentium E5300

Around 2% higher maximum core temperature: 74.1°C vs 72.7°C
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Maximum core temperature	74.1°C vs 72.7°C
L2 cache	2048 KB (shared) vs 256 KB (per core)
Thermal Design Power (TDP)	65 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core i7-875K
CPU 2: Intel Pentium E5300

PassMark - Single thread mark

CPU 1

CPU 2

1351

1024

PassMark - CPU mark

CPU 1

CPU 2

3124

921

Geekbench 4 - Single Core

CPU 1

CPU 2

567

316

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2163

554

Name	Intel Core i7-875K	Intel Pentium E5300
PassMark - Single thread mark	1351	1024
PassMark - CPU mark	3124	921
Geekbench 4 - Single Core	567	316
Geekbench 4 - Multi-Core	2163	554
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 Pentium E5300
Essentials
Architecture codename	Lynnfield	Wolfdale
Launch date	May 2010	November 2008
Launch price (MSRP)	$486	$64
Place in performance rating	2724	2726
Price now	$485.01	$15.40
Processor Number	i7-875K	E5300
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	3.30	29.44
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.93 GHz	2.60 GHz
Bus Speed	2.5 GT/s DMI	800 MHz FSB
Die size	296 mm2	82 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	2048 KB (shared)
L3 cache	8192 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	72.7°C	74.1°C
Maximum frequency	3.60 GHz	2.6 GHz
Number of cores	4	2
Number of threads	8
Transistor count	774 million	228 million
Unlocked
VID voltage range	0.6500V-1.4000V	0.8500V-1.3625V
Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	16 GB
Supported memory types	DDR3 1066/1333	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	LGA1156	LGA775
Thermal Design Power (TDP)	95 Watt	65 Watt
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
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Intel® Virtualization Technology for Directed I/O (VT-d)