Intel Core i5-661 Intel Core 2 Quad Q9550
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Intel Core i5-661 vs Intel Core 2 Quad Q9550

Last updated:

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 1 - 100 %
Intel Core i5-661
Rank 2 - 77 %
Intel Core 2 Quad Q9550
Multi-core performance
Rank 2 - 94 %
Intel Core i5-661
Rank 1 - 100 %
Intel Core 2 Quad Q9550
Geekbench 5, 64bit Single-Core

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

Intel Core i5-661
2C / 4T · 3.60 GHz
597
Intel Core 2 Quad Q9550
4C / 4T · 2.83 GHz
460
Geekbench 5, 64bit Multi-Core

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

Intel Core i5-661
2C / 4T · 3.33 GHz
1,308
Intel Core 2 Quad Q9550
4C / 4T · 2.83 GHz
1,527

More benchmarks

At a glance

Wischen
Intel Core i5-661Intel Core 2 Quad Q9550
FamilyIntel Core i5 (336)Intel Core2 Quad (19)
CPU groupIntel Core i5 600 (6)Intel Core 2 Quad Q8000/Q9000 (16)
ArchitectureClarkdaleYorkfield (Penryn)
Technology32 nm45 nm
SegmentDesktopDesktop
SocketLGA 1156LGA 775
Predecessor
Successor

CPU Cores and Base Frequency

Wischen
Intel Core i5-661Intel Core 2 Quad Q9550
CPU Cores / Threads2 / 44 / 4
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 2x 4x
Frequency: 3.33 GHz 2.83 GHz
Turbo (1 Core): 3.60 GHz
Turbo (All Cores):
L2-Cache0.50 MB12.00 MB
L3-Cache4.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i5-661Intel Core 2 Quad Q9550
GPU nameIntel HD Graphics (Westmere)no iGPU
GPU frequency0.50 - 0.90 GHz
CUs / Shader12 / 24 /
Raytracing
Max. displays2
Max. GPU Memory2 GB
Technology32 nm
Release dateQ1/2010

NPU AI performance

Wischen
Intel Core i5-661Intel Core 2 Quad Q9550
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i5-661Intel Core 2 Quad Q9550
MemoryDDR3-1333 (21.3 GB/s)
DDR3-1066 (17.1 GB/s)
DDR3-1066 (17.1 GB/s)
DDR2-800 (12.8 GB/s)
Max. Memory16 GB16 GB
Memory channels22
ECCNoNo
PCIe2.0 x 16
PCIe Bandwidth8.0 GB/s

Thermal Management

Wischen
Intel Core i5-661Intel Core 2 Quad Q9550
TDP73 W95 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

Wischen
Intel Core i5-661Intel Core 2 Quad Q9550
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, LinuxWindows 10, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2MMX, SSE2, SSE3, SSE4.1
Release dateQ1/2010Q1/2008
Release price177 $
DocumentsTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i5-661 is 5.0 stars (1 ratings), while Intel Core 2 Quad Q9550 has received 4.7 stars (33 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-661
Intel Core i5-661
2C / 4T · 3.33 - 3.60 GHz
Intel Core 2 Quad Q9550
Intel Core 2 Quad Q9550
4C / 4T · 2.83 GHz

Most popular CPUs in both categories

Intel Core i5-661
Intel Core i5-661
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