IntelEntry-level / agingDesktop

Intel Core i5-6600 @ 3.30GHz

Technical specifications and documented benchmark results for this processor.

Last updated: 2026-10-20
5.1/ 10
Technical rating

Entry-level / aging

Intel Core i5-6600 @ 3.30GHz is a Desktop processor with 4 cores and 4 threads. It runs at 3.3 GHz and boosts up to 3.9 GHz. It records a PassMark CPU Mark of 6071 and a single-thread rating of 2252. Its stated TDP is 65 W.

CPU Mark6,071
4,118 samples
Single Thread2,252
Overall rank#2,334
of 6,054
Reference price$57.83

Technical assessment

A summary based on specifications and results.

Entry-level / aging
5.1Entry-level / aging

Intel Core i5-6600 @ 3.30GHz is a Desktop processor with 4 cores and 4 threads. It runs at 3.3 GHz and boosts up to 3.9 GHz. It records a PassMark CPU Mark of 6071 and a single-thread rating of 2252. Its stated TDP is 65 W.

Multi-axis comparison

How does this processor compare?

A direct comparison with nearby processors from the same brand and a similar core count.

5 CPU

Overall and multi-core performance

A higher CPU Mark indicates stronger overall performance.

01Intel Core i5-12400FIntel19,532 points
02Intel 300Intel7,231 points
03Intel Core i5-6600 @ 3.30GHzThis CPU6,071 points
04Intel 300TIntel5,627 points
05Intel Atom 330 @ 1.60GHzIntel381 points

Single-thread performance

Measures speed in tasks that depend on one CPU thread.

01Intel Core i5-12400FIntel3,484 points
02Intel 300Intel3,201 points
03Intel 300TIntel2,702 points
04Intel Core i5-6600 @ 3.30GHzThis CPU2,252 points
05Intel Atom 330 @ 1.60GHzIntel265 points

Performance per watt

Estimated as CPU Mark divided by TDP.

01Intel Core i5-12400FIntel300.5 Mark/W
02Intel 300TIntel160.8 Mark/W
03Intel 300Intel157.2 Mark/W
04Intel Core i5-6600 @ 3.30GHzThis CPU93.4 Mark/W
05Intel Atom 330 @ 1.60GHzIntel47.6 Mark/W

Bars are relative to the processors shown here, not a global ranking of every CPU.

Detailed benchmark results

Snapshot from 2026-10-20

Data CompressionKBytes/Sec
82,691.00
Data EncryptionMBytes/Sec
1,828.00
Extended InstructionsMillion Matrices/Sec
7,016.00
Find Prime NumbersMillion Primes/Sec
29.00
Floating Point MathMOps/Sec
13,494.00
Integer MathMOps/Sec
15,865.00
PhysicsFrames/Sec
477.00
Random String SortingThousand Strings/Sec
10,074.00

Core specifications

BrandIntel
CategoryDesktop
Release year2015
SocketLGA1151
Cores / threads4 / 4
Base clock3.30 GHz
Max turbo3.90 GHz
TDP65 W
Integrated graphics—

Memory support

DDR4
Memory typeDDR4
Official speedDDR4-1866
Maximum capacity64 GB

Cache hierarchy

L1I4 x 32 KB
L1D4 x 32 KB
L24 x 256 KB
L36 MB