IntelExcellentServer

Intel Xeon 676X

Technical specifications and documented benchmark results for this processor.

Last updated: 2026-10-20
9.5/ 10
Technical rating

Excellent

Intel Xeon 676X is a Server processor with 32 cores and 64 threads. It runs at 2.8 GHz and boosts up to 4.9 GHz. It records a PassMark CPU Mark of 91115 and a single-thread rating of 4015. Its stated TDP is 275 W.

CPU Mark91,115
2 samples
Single Thread4,015
Overall rank#59
of 6,054
Reference price$3,159.00

Technical assessment

A summary based on specifications and results.

Excellent
9.5Excellent

Intel Xeon 676X is a Server processor with 32 cores and 64 threads. It runs at 2.8 GHz and boosts up to 4.9 GHz. It records a PassMark CPU Mark of 91115 and a single-thread rating of 4015. Its stated TDP is 275 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 Xeon Platinum 8558PIntel91,879 points
02Intel Xeon 676XThis CPU91,115 points
03Intel Xeon w9-3495XIntel90,925 points
04AMD EPYC 7773XAMD90,279 points

Single-thread performance

Measures speed in tasks that depend on one CPU thread.

01Intel Xeon 676XThis CPU4,015 points
02Intel Xeon w9-3495XIntel3,451 points
03Intel Xeon Platinum 8558PIntel3,236 points
05AMD EPYC 7773XAMD2,531 points

Performance per watt

Estimated as CPU Mark divided by TDP.

01Intel Xeon 676XThis CPU331.3 Mark/W
02AMD EPYC 7773XAMD322.4 Mark/W
03Intel Xeon Platinum 8558PIntel262.5 Mark/W
04Intel Xeon w9-3495XIntel259.8 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
1,355,807.00
Data EncryptionMBytes/Sec
67,638.00
Extended InstructionsMillion Matrices/Sec
105,231.00
Find Prime NumbersMillion Primes/Sec
738.00
Floating Point MathMOps/Sec
283,570.00
Integer MathMOps/Sec
354,777.00
PhysicsFrames/Sec
8,281.00
Random String SortingThousand Strings/Sec
137,976.00

Core specifications

BrandIntel
CategoryServer
Release year2026
SocketLGA4710
Cores / threads32 / 64
Base clock2.80 GHz
Max turbo4.90 GHz
TDP275 W
Integrated graphics—

Memory support

DDR5
Memory typeDDR5
Official speed—
Maximum capacity4096 GB

Cache hierarchy

L1I32 x 64 KB
L1D32 x 48 KB
L232 x 2048 KB
L3144 MB