Intel Core i5-661 processor review

Core i5-661 processor released by Intel; release date: January 2010. At the time of release, the processor cost $252. The processor is designed for desktop-computers and based on Clarkdale microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 2, threads - 4. Maximum CPU clock speed - 3.60 GHz. Maximum operating temperature - 69.8°C. Manufacturing process technology - 32 nm. Cache size: L1 - 64 KB (per core), L2 - 256 KB (per core), L3 - 4096 KB (shared).

Supported memory types: DDR3 1066/1333. Maximum memory size: 16.38 GB.

Supported socket types: FCLGA1156. Maximum number of processors in a configuration - 1. Power consumption (TDP): 87 Watt.

The processor has integrated graphics Intel HD Graphics.

Benchmarks

PassMark
Single thread mark

Top 1 CPU

This CPU

4870

1448

PassMark
CPU mark

Top 1 CPU

This CPU

156834

2470

Geekbench 4
Single Core

Top 1 CPU

This CPU

5311

518

Geekbench 4
Multi-Core

Top 1 CPU

This CPU

36691

1214

Name	Value
PassMark - Single thread mark	1448
PassMark - CPU mark	2470
Geekbench 4 - Single Core	518
Geekbench 4 - Multi-Core	1214

Specifications (specs)

Essentials
Architecture codename	Clarkdale
Launch date	January 2010
Launch price (MSRP)	$252
Place in performance rating	2243
Price now	$99.99
Processor Number	i5-661
Series	Legacy Intel® Core™ Processors
Status	Discontinued
Value for money (0-100)	9.35
Vertical segment	Desktop
Performance
64 bit support
Base frequency	3.33 GHz
Bus Speed	2.5 GT/s DMI
Die size	81 mm2
L1 cache	64 KB (per core)
L2 cache	256 KB (per core)
L3 cache	4096 KB (shared)
Manufacturing process technology	32 nm
Maximum core temperature	69.8°C
Maximum frequency	3.60 GHz
Number of cores	2
Number of threads	4
Transistor count	382 million
VID voltage range	0.6500V-1.4000V

Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	16.38 GB
Supported memory types	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
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1156
Thermal Design Power (TDP)	87 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
Flexible Display interface (FDI)
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)