fp16 vec4 FMA
Same eight 4x-unrolled vec4 FMA chains as the fp32 vec4 test, but in vec4<f16>. Only GPUs with packed-half ALUs run this faster than fp32.
Measured in FLOP/s. Higher values mean better performance. Benchmark your device.
Performance distribution
1.64 GFLOP/s292 GFLOP/s52.3 TFLOP/s
1.64 GFLOP/s292 GFLOP/s52.3 TFLOP/s
Performance thresholds
99% of results achieve at least 8.39 GFLOP/s
95% of results achieve at least 203 GFLOP/s
90% of results achieve at least 439 GFLOP/s
Median (50th percentile) 3.22 TFLOP/s
Best performer
Highest recorded performance: 52.3 TFLOP/s. View benchmark profile.
Recorded 9/14/2026, 2:52:24 PM
WebGPU device
Vendornvidia
Device—
Architectureblackwell
Description—
WebGL device
VendorGoogle Inc. (NVIDIA)
RendererANGLE (NVIDIA, NVIDIA GeForce RTX 5090 (0x00002B85) Direct3D11 vs_5_0 ps_5_0, D3D11)
Browser
NameChrome
Version153.0.0.0
Operating system
NameWindows
Version10