[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.

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[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: 33.60

Overall Rank:
485th 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

9206

Single Thread Rating

1175

Samples: 104*
*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 Math	41,734 MOps/Sec
Floating Point Math	17,815 MOps/Sec
Find Prime Numbers	43 Million Primes/Sec
Random String Sorting	22,189 Thousand Strings/Sec
Data Encryption	3,639 MBytes/Sec
Data Compression	173,167 KBytes/Sec
Physics	643 Frames/Sec
Extended Instructions	4,708 Million Matrices/Sec
Single Thread	1,175 MOps/Sec

From submitted results to PerformanceTest V10 as of 1st of April 2025.

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

Submitted Baseline Distribution Graph as of 31st of March 2025

From submitted results to PerformanceTest V10 as of 31st of March 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 1st of April 2025 - Higher results represent better performance
Processor	Average CPU Mark
AMD Ryzen Threadripper PRO 5975WX		75,620
AMD Ryzen Threadripper PRO 3975WX		62,378
ARM Neoverse-N1 128 Core 3000 MHz		41,730
AMD Ryzen Threadripper PRO 3955WX		40,237
ARM Neoverse-N1 80 Core 3000 MHz		34,997
ARM Neoverse-N1 64 Core 0 MHz		28,044
Intel Xeon E5-2680 v4 @ 2.40GHz		17,493
Intel Xeon E5-2697 v2 @ 2.70GHz		14,267
Intel Xeon E5-1650 v3 @ 3.50GHz		10,392
Intel Xeon E5-1650 v2 @ 3.50GHz		9,329
[Dual CPU] Intel Xeon E5645 @ 2.40GHz		9,206

CPU Value (CPU Mark / $Price )
As of 1st of April 2025 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Xeon E5-2680 v4 @ 2.40GHz		82.53
Intel Xeon E5-2697 v2 @ 2.70GHz		73.75
AMD Ryzen Threadripper PRO 3975WX		47.08
Intel Xeon E5-1650 v2 @ 3.50GHz		40.57
[Dual CPU] Intel Xeon E5645 @ 2.40GHz		33.60
AMD Ryzen Threadripper PRO 5975WX		29.60
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 Threadripper PRO 3955WX		NA

Single Thread Rating
As of 1st of April 2025 - Higher results represent better performance
Processor	Average Thread Rating
AMD Ryzen Threadripper PRO 5975WX		3,318
AMD Ryzen Threadripper PRO 3955WX		2,678
AMD Ryzen Threadripper PRO 3975WX		2,659
Intel Xeon E5-1650 v3 @ 3.50GHz		2,123
Intel Xeon E5-1650 v2 @ 3.50GHz		2,049
Intel Xeon E5-2680 v4 @ 2.40GHz		1,933
Intel Xeon E5-2697 v2 @ 2.70GHz		1,788
ARM Neoverse-N1 128 Core 3000 MHz		1,327
ARM Neoverse-N1 80 Core 3000 MHz		1,327
[Dual CPU] Intel Xeon E5645 @ 2.40GHz		1,175
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
BL2509100 - Mar 26 2025		8836
BL2481278 - Mar 14 2025		9346
BL2397373 - Feb 07 2025 [Excluded]		8083
BL2390883 - Feb 04 2025		9638
BL2386544 - Feb 03 2025		10131

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

Popular comparisons for Intel Xeon E5645 @ 2.40GHz
As of 1st of April 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Xeon E5645 @ 2.40GHz		9,206
Intel Xeon E5-1650 v2 @ 3.50GHz vs Intel Xeon E5645		9,329 (+1.3%)
Intel Xeon E5-1660 @ 3.30GHz vs Intel Xeon E5645		8,365 (-9.1%)
Intel Xeon E5-2687W @ 3.10GHz vs Intel Xeon E5645		10,008 (+8.7%)
Intel Xeon E5-1650 @ 3.20GHz vs Intel Xeon E5645		8,087 (-12.2%)
Intel Xeon X5690 @ 3.47GHz vs Intel Xeon E5645		7,035 (-23.6%)
Intel Xeon W3670 @ 3.20GHz vs Intel Xeon E5645		6,413 (-30.3%)
Intel Xeon E5-2643 v3 @ 3.40GHz vs Intel Xeon E5645		10,431 (+13.3%)
Intel Xeon W3690 @ 3.47GHz vs Intel Xeon E5645		7,230 (-21.5%)
Intel Xeon E3-1241 v3 @ 3.50GHz vs Intel Xeon E5645		7,151 (-22.3%)
Intel Xeon E-2226G @ 3.40GHz vs Intel Xeon E5645		11,126 (+20.9%)
Intel Xeon E-2126G @ 3.30GHz vs Intel Xeon E5645		10,370 (+12.6%)
Intel Xeon E-2244G @ 3.80GHz vs Intel Xeon E5645		9,654 (+4.9%)

CPU Benchmarks

CPU Benchmarks

[Dual CPU] Intel Xeon E5645 @ 2.40GHz

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CPU Test Suite Average Results for [Dual CPU] Intel Xeon E5645 @ 2.40GHz

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

Pricing History