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[Dual CPU] Intel Xeon E5645 @ 2.40GHz

Benchmarks for the [Dual CPU] Intel Xeon E5645 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.

[Dual CPU] Intel Xeon E5645 @ 2.40GHz

Description:

Class: Server

Socket: LGA1366

Clockspeed: 2.4 GHz

Turbo Speed: 2.7 GHz

Cores: 6# Threads: 12#

Typical TDP: 80 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 E5645 @ 2.40GHz, Intel(R) Xeon(R) CPU E5645 @ 2.40GHz, Intel Xeon CPU E5645 @ 2.40GHz

CPU First Seen on Charts: Q2 2011

CPUmark/$Price: 33.68

Overall Rank:
517th fastest in multithreading out of all multi-CPU CPUs

Last Price Change: $274.00 USD Total for 2 CPUs (2023-06-02)

Average CPU Mark rating
Multithread Rating
9229
Single Thread Rating
1178

Samples: 107*
*Margin for error: Low



PerformanceTest V9
CPU Mark: 6,344
Thread: 1,115
#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 E5645 @ 2.40GHz

Integer Math41,787 MOps/Sec
Floating Point Math17,814 MOps/Sec
Find Prime Numbers43 Million Primes/Sec
Random String Sorting22,174 Thousand Strings/Sec
Data Encryption3,651 MBytes/Sec
Data Compression173,646 KBytes/Sec
Physics647 Frames/Sec
Extended Instructions4,718 Million Matrices/Sec
Single Thread1,178 MOps/Sec
From submitted results to PerformanceTest V10 as of 13th of July 2025.

CPU Mark Distribution for [Dual CPU] Intel Xeon E5645 @ 2.40GHz

Submitted Baseline Distribution Graph as of 9th of July 2025
From submitted results since PerformanceTest V10 as of 9th of July 2025.
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 13th of July 2025 - Higher results represent better performance
Processor Average CPU Mark
AMD Ryzen Threadripper PRO 3955WX
 40,155
ARM Neoverse-N1 128 Core 3000 MHz
 39,163
ARM Neoverse-N1 80 Core 3000 MHz
 35,253
AMD Ryzen 7 PRO 7745
 32,008
ARM Neoverse-N1 64 Core 0 MHz
 28,044
AMD Ryzen 5 PRO 7645
 25,634
Intel Xeon E5-2680 v4 @ 2.40GHz
 17,407
Intel Xeon E5-2697 v2 @ 2.70GHz
 14,293
Intel Xeon E5-1650 v3 @ 3.50GHz
 10,392
Intel Xeon E5-1650 v2 @ 3.50GHz
 9,333
[Dual CPU] Intel Xeon E5645 @ 2.40GHz
 9,229
CPU Value (CPU Mark / $Price )
As of 13th of July 2025 - Higher results represent better value
Processor CPU Mark / $Price
Intel Xeon E5-2680 v4 @ 2.40GHz
 82.13
Intel Xeon E5-2697 v2 @ 2.70GHz
 73.89
AMD Ryzen 7 PRO 7745
 60.72
Intel Xeon E5-1650 v2 @ 3.50GHz
 40.59
AMD Ryzen Threadripper PRO 3955WX
 36.51
[Dual CPU] Intel Xeon E5645 @ 2.40GHz
 33.68
Intel Xeon E5-1650 v3 @ 3.50GHz
 7.29
ARM Neoverse-N1 80 Core 3000 MHz
 NA
ARM Neoverse-N1 128 Core 3000 MHz
 NA
ARM Neoverse-N1 64 Core 0 MHz
 NA
AMD Ryzen 5 PRO 7645
 NA
Single Thread Rating
As of 13th of July 2025 - Higher results represent better performance
Processor Average Thread Rating
AMD Ryzen 7 PRO 7745
 3,775
AMD Ryzen 5 PRO 7645
 3,658
AMD Ryzen Threadripper PRO 3955WX
 2,679
Intel Xeon E5-1650 v3 @ 3.50GHz
 2,122
Intel Xeon E5-1650 v2 @ 3.50GHz
 2,048
Intel Xeon E5-2680 v4 @ 2.40GHz
 1,936
Intel Xeon E5-2697 v2 @ 2.70GHz
 1,790
ARM Neoverse-N1 128 Core 3000 MHz
 1,329
ARM Neoverse-N1 80 Core 3000 MHz
 1,328
[Dual CPU] Intel Xeon E5645 @ 2.40GHz
 1,178
ARM Neoverse-N1 64 Core 0 MHz
 1,092
Last 5 Baselines for [Dual CPU] Intel Xeon E5645 @ 2.40GHz
Most recent listed first
Baseline CPU Mark
BL5098136 - Jul 08 2025
9996
BL5098117 - Jul 08 2025
10155
BL2600113 - May 04 2025
9999
BL2509100 - Mar 26 2025
8836
BL2481278 - Mar 14 2025
9346
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for Intel Xeon E5645 @ 2.40GHz
As of 13th of July 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Xeon E5645 @ 2.40GHz
 9,229
Intel Xeon E5-1650 v2 @ 3.50GHz vs Intel Xeon E5645
 9,333 (+1.1%)
Intel Xeon E5-1660 @ 3.30GHz vs Intel Xeon E5645
 8,362 (-9.4%)
Intel Xeon E5-2687W @ 3.10GHz vs Intel Xeon E5645
 10,012 (+8.5%)
Intel Xeon E5-1650 @ 3.20GHz vs Intel Xeon E5645
 8,083 (-12.4%)
Intel Xeon X5690 @ 3.47GHz vs Intel Xeon E5645
 7,031 (-23.8%)
Intel Xeon E5-1620 v3 @ 3.50GHz vs Intel Xeon E5645
 6,986 (-24.3%)
Intel Xeon W3670 @ 3.20GHz vs Intel Xeon E5645
 6,428 (-30.3%)
Intel Xeon E5-2643 v3 @ 3.40GHz vs Intel Xeon E5645
 10,447 (+13.2%)
Intel Xeon E5-1660 v2 @ 3.70GHz vs Intel Xeon E5645
 10,311 (+11.7%)
Intel Xeon W3690 @ 3.47GHz vs Intel Xeon E5645
 7,204 (-21.9%)
Intel Xeon E3-1241 v3 @ 3.50GHz vs Intel Xeon E5645
 7,154 (-22.5%)
Intel Xeon E3-1230 @ 3.20GHz vs Intel Xeon E5645
 5,131 (-44.4%)