I found a HC branch of zstd:
https://github.com/Cyan4973/zstd/tree/HC
The ratio is much closer to brotli and decompression is 2 times faster.
Code:
zstd v0.2 427 ms (239 MB/s), 51367682, 189 ms (541 MB/s)
zstd_HC v0.2 -1 996 ms (102 MB/s), 48918586, 244 ms (419 MB/s)
zstd_HC v0.2 -2 1152 ms (88 MB/s), 47193677, 247 ms (414 MB/s)
zstd_HC v0.2 -3 2810 ms (36 MB/s), 45401096, 249 ms (411 MB/s)
zstd_HC v0.2 -4 4009 ms (25 MB/s), 44631716, 243 ms (421 MB/s)
zstd_HC v0.2 -5 4904 ms (20 MB/s), 44529596, 244 ms (419 MB/s)
zstd_HC v0.2 -6 5785 ms (17 MB/s), 44281722, 244 ms (419 MB/s)
zstd_HC v0.2 -7 7352 ms (13 MB/s), 44108456, 241 ms (424 MB/s)
zstd_HC v0.2 -8 9378 ms (10 MB/s), 43978979, 237 ms (432 MB/s)
zstd_HC v0.2 -9 12306 ms (8 MB/s), 43901117, 237 ms (432 MB/s)
brotli 2015-10-11 level 0 1202 ms (85 MB/s), 47882059, 489 ms (209 MB/s)
brotli 2015-10-11 level 3 1739 ms (58 MB/s), 47451223, 475 ms (215 MB/s)
brotli 2015-10-11 level 4 2379 ms (43 MB/s), 46943273, 477 ms (214 MB/s)
brotli 2015-10-11 level 5 6175 ms (16 MB/s), 43363897, 528 ms (193 MB/s)
brotli 2015-10-11 level 6 9474 ms (10 MB/s), 42877293, 463 ms (221 MB/s)