IntelOutdated for demanding workloadsServer

Intel Xeon X5647 @ 2.93GHz

Technical specifications and documented benchmark results for this processor.

Last updated: 2026-10-20
3.8/ 10
Technical rating

Outdated for demanding workloads

Intel Xeon X5647 @ 2.93GHz is a Server processor with 4 cores and 8 threads. It runs at 2.9 GHz and boosts up to 3.2 GHz. It records a PassMark CPU Mark of 4441 and a single-thread rating of 1363. Its stated TDP is 130 W.

CPU Mark4,441
35 samples
Single Thread1,363
Overall rank#2,711
of 6,054
Reference price$19.93

Technical assessment

A summary based on specifications and results.

Outdated for demanding workloads
3.8Outdated for demanding workloads

Intel Xeon X5647 @ 2.93GHz is a Server processor with 4 cores and 8 threads. It runs at 2.9 GHz and boosts up to 3.2 GHz. It records a PassMark CPU Mark of 4441 and a single-thread rating of 1363. Its stated TDP is 130 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 300TIntel5,627 points
04Intel Xeon X5647 @ 2.93GHzThis CPU4,441 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 Xeon X5647 @ 2.93GHzThis CPU1,363 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 Atom 330 @ 1.60GHzIntel47.6 Mark/W
05Intel Xeon X5647 @ 2.93GHzThis CPU34.2 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
71,493.00
Data EncryptionMBytes/Sec
1,650.00
Extended InstructionsMillion Matrices/Sec
1,994.00
Find Prime NumbersMillion Primes/Sec
28.00
Floating Point MathMOps/Sec
7,132.00
Integer MathMOps/Sec
16,917.00
PhysicsFrames/Sec
419.00
Random String SortingThousand Strings/Sec
9,287.00

Core specifications

BrandIntel
CategoryServer
Release year2011
SocketLGA1366
Cores / threads4 / 8
Base clock2.90 GHz
Max turbo3.20 GHz
TDP130 W
Integrated graphics—

Memory support

—
Memory type—
Official speed—
Maximum capacity—

Cache hierarchy

L1I4 x 32 KB
L1D4 x 32 KB
L24 x 256 KB
L312 MB