m610-vs-m915-memory CX is just 1, freq is exposed, but it's set to max 3500 M915 4x6308 256GB, Kern=native: Processor: AMD Opteron 6308 @ 3.50GHz (16 Cores), Motherboard: Dell PowerEdge M915, Chipset: AMD [AMD/ATI] RD890 (2x8) PCI-e GFX Hydra part, Memory: 256GB, Disk: 5 x HP MB3000FBUCN HPD2 + HP MB3000FBUCN HPD3 + OCZ VERTEX2 1.35 + HITACHI HUS723030ALS641 MS06 + 2 x LSI SAS2X36 0417 + 2 x HGST HDN728080AL W91X + 3 x HITACHI HUS723030ALS640 MS03, Graphics: Matrox MGA G200eW WPCM450 OS: FreeBSD, Kernel: 13.1-RELEASE (x86_64), Compiler: Clang 13.0.0, File-System: zfs M915 4x6308 256Gb, Kern=native NoPowerD: Processor: AMD Opteron 6308 @ 3.50GHz (16 Cores), Motherboard: Dell PowerEdge M915, Chipset: AMD [AMD/ATI] RD890 (2x8) PCI-e GFX Hydra part, Memory: 256GB, Disk: 5 x HP MB3000FBUCN HPD2 + HP MB3000FBUCN HPD3 + OCZ VERTEX2 1.35 + HITACHI HUS723030ALS641 MS06 + 2 x LSI SAS2X36 0417 + 2 x HGST HDN728080AL W91X + 3 x HITACHI HUS723030ALS640 MS03, Graphics: Matrox MGA G200eW WPCM450 OS: FreeBSD, Kernel: 13.1-RELEASE (x86_64), Compiler: Clang 13.0.0, File-System: zfs M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled: Processor: AMD Opteron 6308 @ 3.50GHz (16 Cores), Motherboard: Dell PowerEdge M915, Chipset: AMD [AMD/ATI] RD890 (2x8) PCI-e GFX Hydra part, Memory: 256GB, Disk: 5 x HP MB3000FBUCN HPD2 + HP MB3000FBUCN HPD3 + OCZ VERTEX2 1.35 + HITACHI HUS723030ALS641 MS06 + 2 x LSI SAS2X36 0417 + 2 x HGST HDN728080AL W91X + 3 x HITACHI HUS723030ALS640 MS03, Graphics: Matrox MGA G200eW WPCM450 OS: FreeBSD, Kernel: 13.1-RELEASE (x86_64), Compiler: Clang 13.0.0, File-System: zfs M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS: Processor: AMD Opteron 6308 @ 3.50GHz (16 Cores), Motherboard: Dell PowerEdge M915, Chipset: AMD [AMD/ATI] RD890 (2x8) PCI-e GFX Hydra part, Memory: 256GB, Disk: 5 x HP MB3000FBUCN HPD2 + HP MB3000FBUCN HPD3 + OCZ VERTEX2 1.35 + HITACHI HUS723030ALS641 MS06 + 2 x LSI SAS2X36 0417 + 2 x HGST HDN728080AL W91X + 3 x HITACHI HUS723030ALS640 MS03, Graphics: Matrox MGA G200eW WPCM450 OS: FreeBSD, Kernel: 13.1-RELEASE (x86_64), Compiler: Clang 13.0.0, File-System: zfs M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf: Processor: AMD Opteron 6308 @ 3.50GHz (16 Cores), Motherboard: Dell PowerEdge M915, Chipset: AMD [AMD/ATI] RD890 (2x8) PCI-e GFX Hydra part, Memory: 256GB, Disk: ATA OCZ VERTEX2 1.35 + 2 x LSI SAS2X36 0417 + 5 x Samsung SSD 850 1B6Q, Graphics: Matrox MGA G200eW WPCM450 OS: FreeBSD, Kernel: 13.1-RELEASE (x86_64), Compiler: Clang 13.0.0, File-System: zfs Stream 2013-01-17 Type: Copy MB/s > Higher Is Better M915 4x6308 256GB, Kern=native ..................................... 25145.4 |= M915 4x6308 256Gb, Kern=native NoPowerD ............................ 36031.5 |= M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled ................ 34636.5 |= M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS . 35253.1 |= M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf .......... 37735.1 |= Stream 2013-01-17 Type: Scale MB/s > Higher Is Better M915 4x6308 256GB, Kern=native ..................................... 27066.2 |= M915 4x6308 256Gb, Kern=native NoPowerD ............................ 41014.7 |= M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled ................ 37733.0 |= M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS . 30565.4 |= M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf .......... 36532.4 |= Stream 2013-01-17 Type: Triad MB/s > Higher Is Better M915 4x6308 256GB, Kern=native ..................................... 27010.5 |= M915 4x6308 256Gb, Kern=native NoPowerD ............................ 42735.7 |= M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled ................ 40086.5 |= M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS . 32144.4 |= M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf .......... 39975.5 |= Stream 2013-01-17 Type: Add MB/s > Higher Is Better M915 4x6308 256GB, Kern=native ..................................... 27170.2 |= M915 4x6308 256Gb, Kern=native NoPowerD ............................ 43557.5 |= M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled ................ 40405.6 |= M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS . 32458.6 |= M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf .......... 39848.7 |= MBW 2018-09-08 Test: Memory Copy - Array Size: 1024 MiB MiB/s > Higher Is Better M915 4x6308 256GB, Kern=native ..................................... 2710.46 |= M915 4x6308 256Gb, Kern=native NoPowerD ............................ 3339.58 |= M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled ................ 3570.06 |= M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS . 3092.77 |= M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf .......... 3359.76 |= MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 1024 MiB MiB/s > Higher Is Better M915 4x6308 256GB, Kern=native ..................................... 2385.34 |= M915 4x6308 256Gb, Kern=native NoPowerD ............................ 3519.37 |= M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled ................ 3349.25 |= M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS . 2994.86 |= M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf .......... 3483.42 |= t-test1 2017-01-13 Threads: 1 Seconds < Lower Is Better M915 4x6308 256GB, Kern=native ..................................... 51.71 |=== M915 4x6308 256Gb, Kern=native NoPowerD ............................ 23.46 |= M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled ................ 22.95 |= M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS . 52.10 |=== M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf .......... 23.63 |= t-test1 2017-01-13 Threads: 2 Seconds < Lower Is Better M915 4x6308 256GB, Kern=native ..................................... 17.056 |== M915 4x6308 256Gb, Kern=native NoPowerD ............................ 7.295 |= M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled ................ 7.628 |= M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS . 17.030 |== M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf .......... 7.253 |= CacheBench Read Cache MB/s > Higher Is Better M915 4x6308 256GB, Kern=native ..................................... 5266.69 |= M915 4x6308 256Gb, Kern=native NoPowerD ............................ 5220.11 |= M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled ................ 5266.00 |= M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS . 3150.08 |= M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf .......... 5219.29 |= CacheBench Write Cache MB/s > Higher Is Better M915 4x6308 256GB, Kern=native ..................................... 12375.87 | M915 4x6308 256Gb, Kern=native NoPowerD ............................ 12497.75 | M915 4x6308 256GB, Kern=native NoPowerD, C7 enabled ................ 12211.56 | M915 4x6308 256GB, kern=native NoPowerD, SystemDBPM from Dell BIOS . 9777.35 | M915 4x6308 256Gb, Kern=native NoPowerD, DellBIOS=MaxPerf .......... 12532.38 |