Source code of the benchmarks can be found on github .
More benchmarks will be added as time permits. Please feel free to add your own and submit a PR, or join our discord server and request a particular benchmark you're interested in.
Environment
OS : Windows 11
CPU : AMD Ryzen 7 3700X
SDK : .Net 5.0
Server : MongoDB Community 5 (localhost)
Driver : v2.13
Create one entity
Method
Mean
Error
StdDev
Ratio
RatioSD
Gen 0
Gen 1
Gen 2
Allocated
Official_Driver
235.0 μs
2.82 μs
2.50 μs
1.00
0.00
3.4180
-
-
29 KB
MongoDB_Entities
259.1 μs
1.69 μs
1.50 μs
1.10
0.02
3.4180
-
-
29 KB
Bulk create 1000 entities
Method
Mean
Error
StdDev
Median
Ratio
RatioSD
Gen 0
Gen 1
Gen 2
Allocated
MongoDB_Entities
9.627 ms
0.1034 ms
0.0863 ms
9.620 ms
0.98
0.04
78.1250
31.2500
-
686 KB
Official_Driver
10.558 ms
0.2091 ms
0.4546 ms
10.732 ms
1.00
0.00
62.5000
31.2500
-
582 KB
Find one entity
Method
Mean
Error
StdDev
Ratio
RatioSD
Gen 0
Gen 1
Gen 2
Allocated
MongoDB_Entities
254.8 μs
2.25 μs
1.76 μs
0.96
0.03
3.4180
-
-
31 KB
Official_Driver
265.8 μs
5.05 μs
6.01 μs
1.00
0.00
3.4180
-
-
31 KB
Find single entity
Method
Mean
Error
StdDev
Ratio
RatioSD
Gen 0
Gen 1
Gen 2
Allocated
Official_Driver
254.1 μs
4.63 μs
4.33 μs
1.00
0.00
3.6621
-
-
31 KB
MongoDB_Entities
261.1 μs
5.14 μs
4.81 μs
1.03
0.03
3.4180
-
-
32 KB
Find any entity
Method
Mean
Error
StdDev
Ratio
Gen 0
Gen 1
Gen 2
Allocated
MongoDB_Entities
270.1 μs
4.58 μs
4.29 μs
0.26
3.9063
-
-
33 KB
Official_Driver
1,026.6 μs
5.27 μs
4.68 μs
1.00
52.7344
13.6719
-
446 KB
Find first entity
Method
Mean
Error
StdDev
Ratio
Gen 0
Gen 1
Gen 2
Allocated
MongoDB_Entities
257.0 μs
5.02 μs
6.87 μs
0.26
3.4180
-
-
32 KB
Official_Driver
1,011.3 μs
7.42 μs
6.94 μs
1.00
54.6875
13.6719
-
446 KB
Find 100 entities
Method
Mean
Error
StdDev
Ratio
RatioSD
Gen 0
Gen 1
Allocated
MongoDB_Entities
1.075 ms
0.0026 ms
0.0023 ms
0.98
0.02
54.6875
13.6719
449 KB
Official_Driver
1.098 ms
0.0217 ms
0.0319 ms
1.00
0.00
54.6875
13.6719
448 KB
Update one entity
Method
Mean
Error
StdDev
Ratio
Gen 0
Gen 1
Gen 2
Allocated
MongoDB_Entities
234.2 μs
2.47 μs
2.19 μs
0.95
3.6621
-
-
31 KB
Official_Driver
246.1 μs
1.36 μs
1.13 μs
1.00
3.4180
-
-
32 KB
Update 100 entities
Method
Mean
Error
StdDev
Ratio
RatioSD
Gen 0
Gen 1
Gen 2
Allocated
Official_Driver
262.3 μs
5.01 μs
5.57 μs
1.00
0.00
3.4180
-
-
32 KB
MongoDB_Entities
272.9 μs
5.01 μs
4.68 μs
1.04
0.04
3.9063
-
-
33 KB
Change-streams
Method
Mean
Error
StdDev
Ratio
RatioSD
Allocated
MongoDB_Entities
15.68 ms
0.215 ms
0.279 ms
1.00
0.02
107 KB
Official_Driver
15.71 ms
0.186 ms
0.155 ms
1.00
0.00
122 KB
File storage (write)
Method
Mean
Error
StdDev
Ratio
Gen 0
Gen 1
Gen 2
Allocated
MongoDB_Entities
78.31 ms
0.871 ms
0.772 ms
0.60
285.7143
285.7143
285.7143
37 MB
Official_Driver
130.83 ms
2.335 ms
2.184 ms
1.00
500.0000
500.0000
500.0000
36 MB
File storage (read)
Method
Mean
Error
StdDev
Ratio
RatioSD
Gen 0
Gen 1
Gen 2
Allocated
MongoDB_Entities
33.26 ms
0.646 ms
0.884 ms
0.92
0.02
812.5000
812.5000
750.0000
33 MB
Official_Driver
35.55 ms
0.082 ms
0.073 ms
1.00
0.00
266.6667
266.6667
266.6667
37 MB
String templates
Method
Mean
Error
StdDev
Ratio
Gen 0
Allocated
MongoDB_Entities_Template
273.5 μs
1.36 μs
1.20 μs
0.92
4.3945
38 KB
Driver_Aggregate_Query
298.5 μs
2.58 μs
2.42 μs
1.00
4.8828
41 KB
MongoDB_Entities_No_Cache
313.0 μs
4.88 μs
4.07 μs
1.05
5.3711
44 KB
Manual update vs. save partial
Method
Mean
Error
StdDev
Ratio
Gen 0
Gen 1
Gen 2
Allocated
Update
236.0 μs
2.22 μs
1.85 μs
1.00
3.9063
-
-
33 KB
SavePartial
392.5 μs
1.47 μs
1.37 μs
1.66
4.8828
1.9531
-
41 KB
DBContext vs. DB static save
Method
Mean
Error
StdDev
Ratio
RatioSD
Gen 0
Gen 1
Gen 2
Allocated
DB_Context
246.2 μs
3.72 μs
3.30 μs
0.94
0.02
2.9297
-
-
26 KB
DB_Static
262.7 μs
5.24 μs
8.90 μs
1.00
0.00
2.9297
-
-
26 KB
Relationships
Method
Mean
Error
StdDev
Ratio
RatioSD
Gen 0
Gen 1
Gen 2
Allocated
Lookup
443.1 μs
2.30 μs
2.15 μs
1.00
0.00
5.3711
-
-
44 KB
Clientside_Join
555.2 μs
4.10 μs
3.63 μs
1.25
0.01
8.7891
-
-
73 KB
Children_Fluent
1,265.3 μs
20.58 μs
19.25 μs
2.86
0.05
7.8125
-
-
76 KB
Children_Queryable
1,547.5 μs
6.18 μs
4.83 μs
3.50
0.02
11.7188
3.9063
-
107 KB