Intel Xe2 Lunar Lake Graphics Compute / OpenCL Performance Looking Great

Written by Michael Larabel in Graphics Cards on 26 November 2024 at 10:39 AM EST. Page 2 of 4. 18 Comments.
ProjectPhysX OpenCL-Benchmark benchmark with settings of Operation: FP64 Compute. Core Ultra 7 256V Xe2 LNL was the fastest.

With the ProjectPhysX OpenCL Benchmark, right off the bat we see the huge uplift in FP64 performance with the Xe2 Lunar Lake graphics compared to prior Meteor Lake graphics, which were already much better than the older Intel integrated graphics.

ProjectPhysX OpenCL-Benchmark benchmark with settings of Operation: INT8 Compute. Core Ultra 7 256V Xe2 LNL was the fastest.

The INT8 compute performance was also dramatically better with Lunar Lake atop this latest open-source Intel graphics stack.

ProjectPhysX OpenCL-Benchmark benchmark with settings of Operation: Memory Bandwidth Coalesced Read. Core Ultra 7 256V Xe2 LNL was the fastest.
ProjectPhysX OpenCL-Benchmark benchmark with settings of Operation: Memory Bandwidth Coalesced Write. Core Ultra 7 256V Xe2 LNL was the fastest.

The memory bandwidth with Lunar Lake is also significantly better thanks to its integrated memory approach on-package.

FluidX3D benchmark with settings of Test: FP32-FP32. Core Ultra 7 256V Xe2 LNL was the fastest.
FluidX3D benchmark with settings of Test: FP32-FP16S. Core Ultra 7 256V Xe2 LNL was the fastest.
FluidX3D benchmark with settings of Test: FP32-FP16C. Core Ultra 7 256V Xe2 LNL was the fastest.

But moving past the synthetic OpenCL tests, with real GPU compute workloads like FluidX3D I was blown away by the difference in performance from prior generation Meteor Lake to now with Lunar Lake... FluidX3D as a reminder is an OpenCL-accelerated computational fluid dynamics (CFD) software package.

FluidX3D benchmark with settings of Test: FP32-FP16C. Core Ultra 7 256V Xe2 LNL was the fastest.
FluidX3D benchmark with settings of Test: FP32-FP16C. Core Ultra 7 256V Xe2 LNL was the fastest.
FluidX3D benchmark with settings of Test: FP32-FP16C. Core Ultra 7 256V Xe2 LNL was the fastest.

While the Core Ultra 7 256V was consuming slightly more power than the Core Ultra 7 155H, the Lunar Lake SoC easily won with delivering a huge performance-per-Watt lead for FluidX3D.

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