Performance: Host vs KVM

	A	B	C	D	E	F	G	H	I
1
2		Windows Game as Host:	Rendering engine:		Min	Max	Average	Performance difference: (host - vm)	Notes
3
4		Unigine Heaven	DirectX 11		26.2	130.5	62.7
5		Unigine Heaven	OpenGL		17.2	121.5	55.7		OpenGL performance is identical to Windows, that's amazing
6
7		Bioshock Infinite	DirectX 11		86	192	135		very smooth
8
9		Borderlands: The Pre Sequel	DirectX 11		103	192	125		PhysX turned off since Linux version doesn't support PhysX
10
11		CS:GO	DirectX 11		210	275	245
12
13		Metro Last Light Redux	DirectX 11		79	105	92		Turned tesselation off since the OpenGL version doesn't have it
14
15		Rocket League	DirectX 11		179	248	195		very smooth
16
17		The Talos Principle	DirectX 11		72	114	93
18		The Talos Principle	Vulkan		68	109	83
19		The Talos Principle	OpenGL		53	91	74
20
21		Windows Game PCI Passthrough:	Rendering engine:		Min	Max	Average
22
23		Unigine Heaven	DirectX 11		24.9	128.7	61.1
24		Unigine Heaven	OpenGL		28.2	114.6	54.4
25
26		Bioshock Infinite	DirectX 11		87	187	134
27
28		Borderlands: The Pre Sequel	DirectX 11		112	191	136
29
30		CS:GO	DirectX 11		195	274	241
31
32		Metro Last Light Redux	DirectX 11		67	107	94
33
34		Rocket League	DirectX 11		168	246	187
35
36		The Talos Principle	DirectX 11		68	117	89
37		The Talos Principle	Vulkan		71	112	81
38		The Talos Principle	OpenGL		54	87	73
39
40					Score:
41	Host	gpu geekbench kvm			118416
42	KVM	gpu geekbench host			119843
43
44
45
46		Gaming performance:
47
48					Min:	Max:	Average:
49	Host	Unigine Heaven	DirectX 11		26.2	130.5	62.7	-2.55%
50	KVM	Unigine Heaven	DirectX 11		24.9	128.7	61.1	-2.55%
51
52					Min:	Max:	Average:
53	Host	Bioshock Infinite	DirectX 11		86	192	135	-0.74%
54	KVM	Bioshock Infinite	DirectX 11		87	187	134	-0.74%
55
56					Min:	Max:	Average:
57	Host	Borderlands: The Pre Sequel	DirectX 11		103	192	125	8.80%
58	KVM	Borderlands: The Pre Sequel	DirectX 11		112	191	136	8.80%
59
60					Min:	Max:	Average:
61	Host	CS:GO	DirectX 11		210	275	245	-1.63%
62	KVM	CS:GO	DirectX 11		195	274	241	-1.63%
63
64					Min:	Max:	Average:
65	Host	Metro Last Light Redux	DirectX 11		79	105	92	2.17%
66	KVM	Metro Last Light Redux	DirectX 11		67	107	94	2.17%
67
68					Min:	Max:	Average:
69	Host	Rocket League	DirectX 11		179	248	195	-4.10%
70	KVM	Rocket League	DirectX 11		168	246	187	-4.10%
71
72					Min:	Max:	Average:
73	Host	The Talos Principle	DirectX 11		72	114	93	-4.30%
74	KVM	The Talos Principle	DirectX 11		68	117	89	-4.30%
75
76
77
78
79		CPU Performance: (4 cores 8 threads)
80
81					Score:
82	Host	Cinebench R15			817			-5.14%
83	KVM	Cinebench R15			775			-5.14%
84
85					Single core score:	Multi-core score:
86	Host	Geekbench 4.0.3			4917	15210		-4.50%	https://browser.geekbench.com/v4/cpu/1163379
87	KVM	Geekbench 4.0.3			4718	14834		-4.50%	https://browser.geekbench.com/v4/cpu/1163213
88
89								-4.82%
90
91
92		Disk Performance: (qcow2, writeback caching, file on host SSD)
93
94				Seq read:	Seq write:	Random read:	Random write:	(sequential read performance on top)
95	Host	Crystal Disk Mark 4 - 2 GB		561.2	407	134.1	68.54	-5.33%
96	KVM	Crystal Disk Mark 4 - 2 GB		531.3	508.4	49.28	146	24.91%
97
98					Score:
99		gpu geekbench host			119843			-1.19%
100		gpu geekbench kvm			118416			-1.19%