IntelEntry-level / agingDesktop

Intel Core i7-3970X @ 3.50GHz

Technical specifications and documented benchmark results for this processor.

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

Entry-level / aging

Intel Core i7-3970X @ 3.50GHz is a Desktop processor with 6 cores and 12 threads. It runs at 3.5 GHz and boosts up to 4 GHz. It records a PassMark CPU Mark of 8703 and a single-thread rating of 1859. Its stated TDP is 150 W.

CPU Mark8,703
367 samples
Single Thread1,859
Overall rank#1,878
of 6,054
Reference price$175.00

Technical assessment

A summary based on specifications and results.

Entry-level / aging
5.1Entry-level / aging

Intel Core i7-3970X @ 3.50GHz is a Desktop processor with 6 cores and 12 threads. It runs at 3.5 GHz and boosts up to 4 GHz. It records a PassMark CPU Mark of 8703 and a single-thread rating of 1859. Its stated TDP is 150 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 i7-5960X @ 3.50GHzIntel20,781 points
02Intel Core i5-12400FIntel19,532 points
03Intel Core i7-3970X @ 3.50GHzThis CPU8,703 points
04Intel Atom E3845 @ 1.91GHzIntel1,071 points

Single-thread performance

Measures speed in tasks that depend on one CPU thread.

01Intel Core i5-12400FIntel3,484 points
02Intel Core i7-3970X @ 3.50GHzThis CPU1,859 points

Performance per watt

Estimated as CPU Mark divided by TDP.

01Intel Core i5-12400FIntel300.5 Mark/W
03Intel Atom E3845 @ 1.91GHzIntel107.1 Mark/W
05Intel Core i7-3970X @ 3.50GHzThis CPU58.0 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
147,074.00
Data EncryptionMBytes/Sec
2,728.00
Extended InstructionsMillion Matrices/Sec
6,350.00
Find Prime NumbersMillion Primes/Sec
44.00
Floating Point MathMOps/Sec
12,777.00
Integer MathMOps/Sec
33,294.00
PhysicsFrames/Sec
746.00
Random String SortingThousand Strings/Sec
21,625.00

Core specifications

BrandIntel
CategoryDesktop
Release year2012
SocketLGA2011
Cores / threads6 / 12
Base clock3.50 GHz
Max turbo4.00 GHz
TDP150 W
Integrated graphics—

Memory support

—
Memory type—
Official speed—
Maximum capacity—

Cache hierarchy

L1I6 x 32 KB
L1D6 x 32 KB
L26 x 256 KB
L315 MB