Tested with glmark2, there is no significant visual difference between enabling and disabling 3D acceleration, just terminal output difference.
Disabled:
[workstation user ~]% glmark2
GLX does not support GLX_EXT_swap_control or GLX_MESA_swap_control!
Failed to set swap interval. Results may be bounded above by refresh rate.
=======================================================
glmark2 2023.01
=======================================================
OpenGL Information
GL_VENDOR: Mesa/X.org
GL_RENDERER: llvmpipe (LLVM 15.0.6, 128 bits)
GL_VERSION: 4.5 (Compatibility Profile) Mesa 22.3.6
Surface Config: buf=32 r=8 g=8 b=8 a=8 depth=32 stencil=0 samples=0
Surface Size: 800x600 windowed
=======================================================
GLX does not support GLX_EXT_swap_control or GLX_MESA_swap_control!
Failed to set swap interval. Results may be bounded above by refresh rate.
[build] use-vbo=false: FPS: 153 FrameTime: 6.575 ms
GLX does not support GLX_EXT_swap_control or GLX_MESA_swap_control!
Failed to set swap interval. Results may be bounded above by refresh rate.
[build] use-vbo=true: FPS: 156 FrameTime: 6.420 ms
GLX does not support GLX_EXT_swap_control or GLX_MESA_swap_control!
Failed to set swap interval. Results may be bounded above by refresh rate.
[texture] texture-filter=nearest: FPS: 179 FrameTime: 5.614 ms
GLX does not support GLX_EXT_swap_control or GLX_MESA_swap_control!
Failed to set swap interval. Results may be bounded above by refresh rate.
[texture] texture-filter=linear: FPS: 170 FrameTime: 5.910 ms
=======================================================
glmark2 Score: 163
=======================================================
[workstation user ~]%
Enabled:
[workstation user ~]% glmark2
=======================================================
glmark2 2023.01
=======================================================
OpenGL Information
GL_VENDOR: VMware, Inc.
GL_RENDERER: SVGA3D; build: RELEASE; LLVM;
GL_VERSION: 4.1 (Compatibility Profile) Mesa 22.3.6
Surface Config: buf=32 r=8 g=8 b=8 a=8 depth=24 stencil=0 samples=0
Surface Size: 800x600 windowed
=======================================================
[build] use-vbo=false: FPS: 634 FrameTime: 1.578 ms
[build] use-vbo=true: FPS: 885 FrameTime: 1.131 ms
[texture] texture-filter=nearest: FPS: 855 FrameTime: 1.170 ms
[texture] texture-filter=linear: FPS: 861 FrameTime: 1.162 ms
[texture] texture-filter=mipmap: FPS: 851 FrameTime: 1.176 ms
=======================================================
glmark2 Score: 816
=======================================================
[workstation user ~]%