Intel Core i7-3820 vs Intel Core i5-750s

Comparative analysis of Intel Core i7-3820 and Intel Core i5-750s 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, 3DMark Fire Strike - Physics Score, 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 i7-3820

Intel Core i5-750s

Differences

Reasons to consider the Intel Core i7-3820

CPU is newer: launch date 2 year(s) 0 month(s) later
4 more threads: 8 vs 4
Around 19% higher clock speed: 3.80 GHz vs 3.20 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 64.23 GB vs 16 GB
Around 77% better performance in PassMark - Single thread mark: 1745 vs 987
2.6x better performance in PassMark - CPU mark: 5765 vs 2197

Specifications (specs)
Launch date	February 2012 vs January 2010
Number of threads	8 vs 4
Maximum frequency	3.80 GHz vs 3.20 GHz
Manufacturing process technology	32 nm vs 45 nm
L3 cache	10240 KB (shared) vs 8192 KB (shared)
Maximum memory size	64.23 GB vs 16 GB
Benchmarks
PassMark - Single thread mark	1745 vs 987
PassMark - CPU mark	5765 vs 2197

Reasons to consider the Intel Core i5-750s

Around 15% higher maximum core temperature: 76.7°C vs 66.8°C
Around 59% lower typical power consumption: 82 Watt vs 130 Watt

Maximum core temperature	76.7°C vs 66.8°C
Thermal Design Power (TDP)	82 Watt vs 130 Watt

Compare benchmarks

CPU 1: Intel Core i7-3820
CPU 2: Intel Core i5-750s

PassMark - Single thread mark

CPU 1

CPU 2

1745

987

PassMark - CPU mark

CPU 1

CPU 2

5765

2197

Name	Intel Core i7-3820	Intel Core i5-750s
PassMark - Single thread mark	1745	987
PassMark - CPU mark	5765	2197
Geekbench 4 - Single Core	756
Geekbench 4 - Multi-Core	3163
3DMark Fire Strike - Physics Score	3318
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.665
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	84.218
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.606
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.267
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.758

Compare specifications (specs)

	Intel Core i7-3820	Intel Core i5-750s
Essentials
Architecture codename	Sandy Bridge E	Lynnfield
Launch date	February 2012	January 2010
Launch price (MSRP)	$400
Place in performance rating	2264	2269
Price now	$199.99
Processor Number	i7-3820	i5-750S
Series	Intel® Core™ X-series Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	13.26
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.60 GHz	2.40 GHz
Bus Speed	5 GT/s DMI2	2.5 GT/s DMI
Die size	294 mm	296 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	10240 KB (shared)	8192 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum case temperature (TCase)	67 °C
Maximum core temperature	66.8°C	76.7°C
Maximum frequency	3.80 GHz	3.20 GHz
Number of cores	4	4
Number of threads	8	4
Transistor count	1270 million	774 million
VID voltage range	0.600V – 1.350V	0.6500V-1.4000V
Memory
Max memory channels	4	2
Maximum memory bandwidth	51.2 GB/s	21 GB/s
Maximum memory size	64.23 GB	16 GB
Supported memory types	DDR3 1066/1333/1600	DDR3 1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	52.5mm x 45.0mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011	LGA1156
Thermal Design Power (TDP)	130 Watt	82 Watt
Peripherals
Max number of PCIe lanes	40	16
PCI Express revision	2.0	2.0
PCIe configurations		1x16, 2x8
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.2, Intel® AVX	Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Smart Response technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Physical Address Extensions (PAE)		36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)