Intel Core i5-661 @ 3.33GHz

Benchmarks for the Intel Core i5-661 can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

Is the Intel Core i5-661 @ 3.33GHz Good for Gaming?

This is a fairly old CPU that is no longer competitive with newer CPUs. [More ...]

Compare List
Add other CPU:

Intel Core i5-661 @ 3.33GHz

Description:

Class: Desktop

Socket: LGA1156

Clockspeed: 3.3 GHz

Turbo Speed: 3.6 GHz

Cores: 2 Threads: 4

Typical TDP: 87 W

Cache per CPU Package:
L1 Instruction Cache: 4 x 32 KB
L1 Data Cache: 4 x 32 KB
L2 Cache: 4 x 256 KB
L3 Cache: 4 MB

Other names: Intel(R) Core(TM) i5 CPU 661 @ 3.33GHz, Intel(R) Core(TM) i5 CPU 661 @ 3.33GHz

CPU First Seen on Charts: Q1 2010

CPUmark/$Price: 29.84

Overall Rank:
3337th fastest in multithreading out of 5776 CPUs
2939th fastest in single threading out of 5776 CPUs
922nd fastest in out of 1554 Desktop CPUs

Last Price Change: $80.00 USD (2024-05-07)

Average CPU Mark rating

Multithread Rating

2387

Single Thread Rating

1382

Samples: 211*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 3,152
Thread: 1,381

CPU Test Suite Average Results for Intel Core i5-661 @ 3.33GHz

Integer Math	9,040 MOps/Sec
Floating Point Math	3,892 MOps/Sec
Find Prime Numbers	11 Million Primes/Sec
Random String Sorting	5,061 Thousand Strings/Sec
Data Encryption	906.4 MBytes/Sec
Data Compression	37,444 KBytes/Sec
Physics	198 Frames/Sec
Extended Instructions	1,108 Million Matrices/Sec
Single Thread	1,382 MOps/Sec

From submitted results to PerformanceTest V10 as of 9th of February 2026.

CPU Mark Distribution for Intel Core i5-661 @ 3.33GHz

Submitted Baseline Distribution Graph as of 4th of February 2026

From submitted results since PerformanceTest V10 as of 4th of February 2026.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

Search for Intel Core i5-661 @ 3.33GHz
from the Featured Merchants below:

Note: PassMark Software may earn compensation for sales from links on this site through affiliate programs.

Pricing History

CPU Mark Relative to Top 10 Common Desktop CPUs
As of 9th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i9-14900K		58,457
Intel Core i9-13900K		58,302
AMD Ryzen 9 5900X		38,943
Apple M4 10 Core		23,698
AMD Ryzen 5 5600X		21,844
Intel Core i5-12400F		19,576
Intel Core i9-9900K @ 3.60GHz		18,091
AMD Ryzen 5 3600		17,679
Apple M2 8 Core 3500 MHz		15,641
Apple M1 8 Core 3200 MHz		14,133
Intel Core i5-661 @ 3.33GHz		2,387

CPU Value (CPU Mark / $Price )
As of 9th of February 2026 - Higher results represent better value
Processor	CPU Mark / $Price
AMD Ryzen 5 3600		170.63
AMD Ryzen 5 5600X		159.59
AMD Ryzen 9 5900X		130.24
Intel Core i9-14900K		124.64
Intel Core i5-12400F		122.36
Intel Core i9-13900K		107.97
Intel Core i9-9900K @ 3.60GHz		60.62
Intel Core i5-661 @ 3.33GHz		29.84
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M4 10 Core		NA

Single Thread Rating
As of 9th of February 2026 - Higher results represent better performance
Processor	Average Thread Rating
Intel Core i9-14900K		4,694
Intel Core i9-13900K		4,600
Apple M4 10 Core		4,516
Apple M2 8 Core 3500 MHz		3,886
Apple M1 8 Core 3200 MHz		3,676
Intel Core i5-12400F		3,489
AMD Ryzen 9 5900X		3,467
AMD Ryzen 5 5600X		3,365
Intel Core i9-9900K @ 3.60GHz		2,914
AMD Ryzen 5 3600		2,560
Intel Core i5-661 @ 3.33GHz		1,382

Last 5 Baselines for Intel Core i5-661 @ 3.33GHz
Most recent listed first
Baseline	CPU Mark
BL3099261 - Dec 01 2025		2527
BL3017620 - Oct 31 2025		1839
BL2965823 - Oct 10 2025		1827
BL2965790 - Oct 10 2025		1703
BL2860710 - Aug 25 2025		1866

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.

Popular comparisons for Intel Core i5-661 @ 3.33GHz
As of 9th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i5-661 @ 3.33GHz		2,387
AMD Phenom II X4 965 vs Intel Core i5-661		2,662 (+11.5%)
AMD Athlon II X4 640 vs Intel Core i5-661		2,275 (-4.7%)
AMD Phenom II X4 910e vs Intel Core i5-661		2,144 (-10.2%)
AMD A10-5800K APU vs Intel Core i5-661		2,968 (+24.3%)
AMD A8-5600K APU vs Intel Core i5-661		2,861 (+19.9%)
Intel Core i5-760 @ 2.80GHz vs Intel Core i5-661		2,675 (+12.1%)
AMD Phenom II X4 975 vs Intel Core i5-661		2,638 (+10.5%)
AMD Phenom II X4 B97 vs Intel Core i5-661		2,562 (+7.3%)
AMD Athlon II X4 645 vs Intel Core i5-661		2,378 (-0.4%)
Intel Core2 Quad Q8300 @ 2.50GHz vs Intel Core i5-661		1,916 (-19.8%)
Intel Core i3-2100 @ 3.10GHz vs Intel Core i5-661		1,860 (-22.1%)
AMD Phenom II X4 850 vs Intel Core i5-661		2,462 (+3.1%)

Is the Intel Core i5-661 @ 3.33GHz Good for Gaming?
As of 9th of February 2026 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9950X3D2		14,501
AMD Ryzen 9 9900X3D		12,423
AMD Ryzen 7 9800X3D		12,123
AMD Ryzen 9 9950X3D		11,257
AMD Ryzen 9 7900X3D		10,793
Intel Core Ultra 7 270K Plus		10,695
AMD Ryzen 5 7600X3D		10,516
Intel Core Ultra 9 285K		10,385
AMD Ryzen 7 7800X3D		10,259
AMD Ryzen 5 7500X3D		10,181
AMD Ryzen 9 7950X3D		9,778
AMD Ryzen 9 9955HX3D		9,769
Intel Core i5-661 @ 3.33GHz		401

CPU Benchmarks

CPU Benchmarks

Intel Core i5-661 @ 3.33GHz

Add CPUs to start comparisons

CPU Test Suite Average Results for Intel Core i5-661 @ 3.33GHz

CPU Mark Distribution for Intel Core i5-661 @ 3.33GHz

Pricing History