Intel Core i5-661 vs Intel Core i5-750s

Comparative analysis of Intel Core i5-661 and Intel Core i5-750s processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, 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.

Intel Core i5-661

Intel Core i5-750s

Differences

Reasons to consider the Intel Core i5-661

Around 13% higher clock speed: 3.60 GHz vs 3.20 GHz
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 47% better performance in PassMark - Single thread mark: 1446 vs 987
Around 12% better performance in PassMark - CPU mark: 2471 vs 2197

Specifications (specs)
Maximum frequency	3.60 GHz vs 3.20 GHz
Manufacturing process technology	32 nm vs 45 nm
Maximum memory size	16.38 GB vs 16 GB
Benchmarks
PassMark - Single thread mark	1446 vs 987
PassMark - CPU mark	2471 vs 2197

Reasons to consider the Intel Core i5-750s

2 more cores, run more applications at once: 4 vs 2
Around 10% higher maximum core temperature: 76.7°C vs 69.8°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 6% lower typical power consumption: 82 Watt vs 87 Watt

Number of cores	4 vs 2
Maximum core temperature	76.7°C vs 69.8°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)
Thermal Design Power (TDP)	82 Watt vs 87 Watt

Compare benchmarks

CPU 1: Intel Core i5-661
CPU 2: Intel Core i5-750s

PassMark - Single thread mark

CPU 1

CPU 2

1446

987

PassMark - CPU mark

CPU 1

CPU 2

2471

2197

Name	Intel Core i5-661	Intel Core i5-750s
PassMark - Single thread mark	1446	987
PassMark - CPU mark	2471	2197
Geekbench 4 - Single Core	518
Geekbench 4 - Multi-Core	1214

Compare specifications (specs)

	Intel Core i5-661	Intel Core i5-750s
Essentials
Architecture codename	Clarkdale	Lynnfield
Launch date	January 2010	January 2010
Launch price (MSRP)	$252
Place in performance rating	2244	2264
Price now	$99.99
Processor Number	i5-661	i5-750S
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	9.35
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.33 GHz	2.40 GHz
Bus Speed	2.5 GT/s DMI	2.5 GT/s DMI
Die size	81 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	4096 KB (shared)	8192 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	69.8°C	76.7°C
Maximum frequency	3.60 GHz	3.20 GHz
Number of cores	2	4
Number of threads	4	4
Transistor count	382 million	774 million
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	16.38 GB	16 GB
Supported memory types	DDR3 1066/1333	DDR3 1066/1333
Graphics
Graphics base frequency	900 MHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics	Intel HD Graphics
Graphics interfaces
Number of displays supported	2
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	FCLGA1156	LGA1156
Thermal Design Power (TDP)	87 Watt	82 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
Flexible Display interface (FDI)
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)