[Dual CPU] Intel Xeon X5660 @ 2.80GHz

Benchmarks for the [Dual CPU] Intel Xeon X5660 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.

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[Dual CPU] Intel Xeon X5660 @ 2.80GHz

Description:

Class: Server

Socket: LGA1366

Clockspeed: 2.8 GHz

Turbo Speed: 3.2 GHz

Cores: 6^# Threads: 12^#

Typical TDP: 95 W^#

Cache per CPU Package:
L1 Instruction Cache: 6 x 32 KB
L1 Data Cache: 6 x 32 KB
L2 Cache: 6 x 256 KB
L3 Cache: 12 MB

Other names: Intel(R) Xeon(R) CPU X5660 @ 2.80GHz, Intel(R) Xeon(R) CPU X5660 @ 2.80GHz, Intel Xeon CPU X5660 @ 2.80GHz

CPU First Seen on Charts: Q2 2010

CPUmark/$Price: 516.72

Overall Rank:
543rd fastest in multithreading out of all multi-CPU CPUs

Last Price Change: $19.96 USD Total for 2 CPUs (2024-12-16)

Average CPU Mark rating

Multithread Rating

10314

Single Thread Rating

1351

Samples: 94*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 7,256
Thread: 1,308

^#The number of cores/threads and TDP is per CPU. To determine the total, multiply by the total CPU count.

CPU Test Suite Average Results for [Dual CPU] Intel Xeon X5660 @ 2.80GHz

Integer Math	49,485 MOps/Sec
Floating Point Math	21,193 MOps/Sec
Find Prime Numbers	44 Million Primes/Sec
Random String Sorting	25,815 Thousand Strings/Sec
Data Encryption	3,807 MBytes/Sec
Data Compression	202,152 KBytes/Sec
Physics	635 Frames/Sec
Extended Instructions	5,813 Million Matrices/Sec
Single Thread	1,351 MOps/Sec

From submitted results to PerformanceTest V10 as of 18th of February 2026.

CPU Mark Distribution for [Dual CPU] Intel Xeon X5660 @ 2.80GHz

Submitted Baseline Distribution Graph as of 14th of February 2026

From submitted results since PerformanceTest V10 as of 14th of February 2026.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

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Pricing History

CPU Mark Relative to Top 10 Common Server CPUs
As of 18th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
AMD Ryzen Threadripper PRO 3955WX		39,928
ARM Neoverse-N1 128 Core 3000 MHz		39,780
AMD Ryzen 7 PRO 7745		34,826
ARM Neoverse-N1 80 Core 3000 MHz		34,788
AMD Ryzen 5 PRO 7645		27,565
Intel Xeon E5-2680 v4 @ 2.40GHz		17,233
Intel Xeon E5-2697 v2 @ 2.70GHz		14,252
Hygon C86-3G (OPN:3350)		11,656
Intel Xeon E5-1650 v4 @ 3.60GHz		11,328
Intel Xeon E5-1650 v3 @ 3.50GHz		10,378
[Dual CPU] Intel Xeon X5660 @ 2.80GHz		10,314

CPU Value (CPU Mark / $Price )
As of 18th of February 2026 - Higher results represent better value
Processor	CPU Mark / $Price
[Dual CPU] Intel Xeon X5660 @ 2.80GHz		516.72
Intel Xeon E5-2680 v4 @ 2.40GHz		81.31
Intel Xeon E5-2697 v2 @ 2.70GHz		73.68
AMD Ryzen 5 PRO 7645		61.71
AMD Ryzen 7 PRO 7745		57.60
AMD Ryzen Threadripper PRO 3955WX		39.93
Intel Xeon E5-1650 v4 @ 3.60GHz		26.35
Intel Xeon E5-1650 v3 @ 3.50GHz		7.28
ARM Neoverse-N1 80 Core 3000 MHz		NA
ARM Neoverse-N1 128 Core 3000 MHz		NA
Hygon C86-3G (OPN:3350)		NA

Single Thread Rating
As of 18th of February 2026 - Higher results represent better performance
Processor	Average Thread Rating
AMD Ryzen 7 PRO 7745		4,117
AMD Ryzen 5 PRO 7645		3,954
AMD Ryzen Threadripper PRO 3955WX		2,680
Intel Xeon E5-1650 v4 @ 3.60GHz		2,369
Intel Xeon E5-1650 v3 @ 3.50GHz		2,122
Intel Xeon E5-2680 v4 @ 2.40GHz		1,931
Intel Xeon E5-2697 v2 @ 2.70GHz		1,780
Hygon C86-3G (OPN:3350)		1,715
[Dual CPU] Intel Xeon X5660 @ 2.80GHz		1,351
ARM Neoverse-N1 128 Core 3000 MHz		1,329
ARM Neoverse-N1 80 Core 3000 MHz		1,328

Last 5 Baselines for [Dual CPU] Intel Xeon X5660 @ 2.80GHz
Most recent listed first
Baseline	CPU Mark
BL3225802 - Jan 19 2026		9854
BL3225720 - Jan 19 2026		9724
BL3188570 - Jan 05 2026		13563
BL3172708 - Dec 29 2025		10594
BL5108952 - Dec 08 2025		11671

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

Popular comparisons for Intel Xeon X5660 @ 2.80GHz
As of 18th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Xeon X5660 @ 2.80GHz		10,314
Intel Xeon E5-1650 @ 3.20GHz vs Intel Xeon X5660		8,046 (-22.0%)
Intel Xeon E5-1650 v4 @ 3.60GHz vs Intel Xeon X5660		11,328 (+9.8%)
Intel Xeon E5-1650 v3 @ 3.50GHz vs Intel Xeon X5660		10,378 (+0.6%)
Intel Xeon E5-1650 v2 @ 3.50GHz vs Intel Xeon X5660		9,307 (-9.8%)
Intel Xeon X5667 @ 3.07GHz vs Intel Xeon X5660		4,697 (-54.5%)
Intel Xeon W-2133 @ 3.60GHz vs Intel Xeon X5660		12,601 (+22.2%)
Intel Xeon W-10855M @ 2.80GHz vs Intel Xeon X5660		12,225 (+18.5%)
Intel Xeon E5-4620 v3 @ 2.00GHz vs Intel Xeon X5660		10,525 (+2.1%)
Intel Xeon E5-1660 @ 3.30GHz vs Intel Xeon X5660		8,324 (-19.3%)
AMD Opteron 6348 vs Intel Xeon X5660		7,850 (-23.9%)
Intel Xeon E5-2620 v3 @ 2.40GHz vs Intel Xeon X5660		7,760 (-24.8%)
Intel Xeon W3680 @ 3.33GHz vs Intel Xeon X5660		7,042 (-31.7%)

CPU Benchmarks

CPU Benchmarks

[Dual CPU] Intel Xeon X5660 @ 2.80GHz

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CPU Test Suite Average Results for [Dual CPU] Intel Xeon X5660 @ 2.80GHz

CPU Mark Distribution for [Dual CPU] Intel Xeon X5660 @ 2.80GHz

Pricing History