Intel Xeon 2.66GHz

Benchmarks for the Intel Xeon 2.66GHz 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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Intel Xeon 2.66GHz

Description:

Class: Server

Socket:

Clockspeed: 2.7 GHz

Cores: 1 Threads: 2

Other names: Intel(R) Xeon(TM) CPU 2.66GHz

CPU First Seen on Charts: Q1 2009

CPUmark/$Price: NA

Overall Rank:
5447th fastest in multithreading out of 5819 CPUs
Insufficient data samples to calculate single thread ranking.
1227th fastest in out of 1235 Server CPUs

Last Price Change: NA

Average CPU Mark rating

Multithread Rating

283

Samples: 1*
*Margin for error: High

CPU Mark Distribution for Intel Xeon 2.66GHz

Submitted Baseline Distribution Graph as of 13th of March 2026

Not Enough Data from Current Version of PerformanceTest to Create Distribution Graph.

From submitted results since PerformanceTest V10 as of 13th of March 2026.

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CPU Mark Relative to Top 10 Common Server CPUs
As of 14th of March 2026 - Higher results represent better performance
Processor	Average CPU Mark
ARM Neoverse-N1 128 Core 3000 MHz		39,780
AMD Ryzen 7 PRO 7745		34,824
ARM Neoverse-N1 80 Core 3000 MHz		34,788
AMD Ryzen 5 PRO 7645		27,565
AMD Ryzen 7 PRO 8840U		23,985
Intel Xeon E5-2680 v4 @ 2.40GHz		17,228
Intel Xeon E5-2697 v2 @ 2.70GHz		14,257
Hygon C86-3G (OPN:3350)		11,656
Intel Xeon E5-1650 v4 @ 3.60GHz		11,314
Intel Xeon E5-1650 v3 @ 3.50GHz		10,376
Intel Xeon 2.66GHz		283

CPU Value (CPU Mark / $Price )
As of 14th of March 2026 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Xeon E5-2680 v4 @ 2.40GHz		81.28
Intel Xeon E5-2697 v2 @ 2.70GHz		73.70
AMD Ryzen 5 PRO 7645		61.71
AMD Ryzen 7 PRO 7745		57.60
Intel Xeon E5-1650 v4 @ 3.60GHz		26.31
Intel Xeon E5-1650 v3 @ 3.50GHz		7.28
Intel Xeon 2.66GHz		NA
ARM Neoverse-N1 80 Core 3000 MHz		NA
ARM Neoverse-N1 128 Core 3000 MHz		NA
Hygon C86-3G (OPN:3350)		NA
AMD Ryzen 7 PRO 8840U		NA

Single Thread Rating
As of 14th of March 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 7 PRO 8840U		3,654
Intel Xeon E5-1650 v4 @ 3.60GHz		2,367
Intel Xeon E5-1650 v3 @ 3.50GHz		2,122
Intel Xeon E5-2680 v4 @ 2.40GHz		1,930
Intel Xeon E5-2697 v2 @ 2.70GHz		1,781
Hygon C86-3G (OPN:3350)		1,715
ARM Neoverse-N1 128 Core 3000 MHz		1,329
ARM Neoverse-N1 80 Core 3000 MHz		1,328
Intel Xeon 2.66GHz		NA

Popular comparisons for Intel Xeon 2.66GHz
As of 14th of March 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Xeon 2.66GHz		283
AMD Opteron 146 vs Intel Xeon 2.66GHz		346 (+22.2%)
Intel Xeon 3.06GHz vs Intel Xeon 2.66GHz		320 (+13.0%)
AMD Opteron 144 vs Intel Xeon 2.66GHz		316 (+11.7%)
AMD Opteron 248 vs Intel Xeon 2.66GHz		310 (+9.5%)
AMD Opteron 142 vs Intel Xeon 2.66GHz		278 (-1.7%)
Intel Xeon 2.80GHz vs Intel Xeon 2.66GHz		260 (-8.1%)
AMD Opteron 180 vs Intel Xeon 2.66GHz		746 (+163.6%)
AMD Opteron 185 vs Intel Xeon 2.66GHz		695 (+145.6%)
AMD Opteron 175 vs Intel Xeon 2.66GHz		682 (+140.9%)
AMD Opteron 165 vs Intel Xeon 2.66GHz		531 (+87.5%)
Intel Xeon 5110 @ 1.60GHz vs Intel Xeon 2.66GHz		405 (+43.1%)
Intel Xeon 3.40GHz vs Intel Xeon 2.66GHz		389 (+37.6%)

CPU Benchmarks

CPU Benchmarks

Intel Xeon 2.66GHz

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CPU Mark Distribution for Intel Xeon 2.66GHz