Intel Core i5-661

Intel Core i5-661
Benchmarks & Specs

Last updated:
The Intel Core i5-661 represented a significant advancement upon its introduction. This model was based on the innovative Clarkdale architecture. This was a crucial step for the desktop world. A notable feature was the advanced 32 nm manufacturing process. It ensured good energy efficiency.

This made the processor a solid choice for various systems. Another strength was the integrated Intel HD Graphics (Westmere). This graphics unit allowed operation without a separate graphics card. This was particularly practical for office applications and media center PCs. The Intel Core i5-661 also offered a solid foundation.

This included 4 MB Level 3 cache and 1 MB Level 2 cache. These caches contributed to the smooth processing of tasks. With a maximum memory bandwidth of 17 GB/s, it was well-equipped. It provided reliable performance for everyday computing tasks. We remember that it delivered a balanced overall performance.

This processor was a versatile component.
  • Clarkdale Architecture
  • Integrated Intel HD Graphics (Westmere)
  • 32 nm Manufacturing Process
  • Solid performance for everyday tasks

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank ? / ?
In segment Desktop
Multi-core performance
Rank ? / ?
In segment Desktop
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

AMD Athlon X4 845
4C / 4T · 3.80 GHz
603
Intel Pentium G3240T
2C / 2T · 2.70 GHz
600
Intel Core i5-661
2C / 4T · 3.60 GHz
597
Intel Xeon E5-2628L v3
10C / 20T · 2.50 GHz
588
Intel Pentium G3220T
2C / 2T · 2.60 GHz
587
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Core i5-2390T
2C / 4T · 2.70 GHz
1,314
Intel Atom C3558
4C / 4T · 2.20 GHz
1,309
Intel Core i5-661
2C / 4T · 3.33 GHz
1,308
Intel Celeron G1850
2C / 2T · 2.90 GHz
1,307
Intel Pentium G3240
2C / 2T · 3.10 GHz
1,302
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Pentium N3520
Intel HD Graphics (Bay Trail GT1)
55
Intel Pentium N3510
Intel HD Graphics (Bay Trail GT1)
48
Intel Core i5-661
Intel HD Graphics (Westmere)
43
Intel Atom D2560
Intel GMA 3650
41
Intel Atom D2700
Intel GMA 3650
41

More benchmarks

At a glance

PropertyValue
FamilyIntel Core i5 (336)
CPU groupIntel Core i5 600 (6)
ArchitectureClarkdale
Technology32 nm
SegmentDesktop
SocketLGA 1156
Generation1
Predecessor
Successor

CPU Cores and Base Frequency

PropertyValue
CPU Cores / Threads2 / 4
Hyperthreading / SMT
Core architecturenormal
Cores: 2x
Frequency: 3.33 GHz
Turbo Frequency (1 Core): 3.60 GHz
Turbo Frequency (2 Cores):
L2-Cache0.50 MB
L3-Cache4.00 MB
OverclockingNo

Integrated graphics (iGPU)

PropertyValue
GPU nameIntel HD Graphics (Westmere)
GPU frequency0.50 - 0.90 GHz
CUs / Shader12 / 24
Raytracing
Max. displays2
Max. GPU Memory2 GB
Technology32 nm
Release dateQ1/2010

Memory & PCIe

Memory typeMemory bandwidth
DDR3-1066
DDR3-1333
17.1 GB/s
21.3 GB/s
PropertyValue
Max. Memory16 GB
Memory channels2
ECC
PCIe2.0 x 16
PCIe Bandwidth8.0 GB/s

Thermal Management

PropertyValue
TDP73 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

PropertyValue
Chip designMonolithic
AES-NI
Operating systemsWindows 10, Linux
Instruction setx86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2
Release dateQ1/2010
Release price177 $
DocumentsTechnical data sheet
Intel Core i5-661
Intel Core i5-661
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