Dual GPU PCIe configuration comparison

AMD Ryzen 5 3600 6-Core testing with a ASUS PRIME X570-P (1405 BIOS) and Sapphire AMD Radeon RX 5700 / XT 8GB on ManjaroLinux 18.1.5 via the Phoronix Test Suite.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2002020-UNIT-PCIESLO12
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  Test
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2 cards prime offload to PCIe 4.0x4 slot
February 02 2020
  4 Minutes
Single card PCIe 4.0x4 slot
February 02 2020
  4 Minutes
Single card PCIe 4.0x16 slot
February 02 2020
  4 Minutes
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2 cards prime offload to PCIe 4.0x4 slot

Processor: AMD Ryzen 5 3600 6-Core @ 3.60GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME X570-P (1405 BIOS), Chipset: AMD Starship/Matisse, Memory: 16384MB, Disk: 2000GB Western Digital WD20EARS-00M + 240GB SanDisk SDSSDX24 + 3001GB Western Digital WD30EZRX-00D + 3001GB Western Digital WD30EFRX-68E, Graphics: Sapphire AMD Radeon RX 5700 / XT 2GB (2080/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: KAMN341FQULA, Network: Realtek RTL8111/8168/8411

OS: ManjaroLinux 18.1.5, Kernel: 5.5.0-1-MANJARO (x86_64), Desktop: GNOME Shell 3.34.3, Display Server: X Server 1.20.7, OpenGL: 4.6 Mesa 20.0.0-devel (git-02658df152) (LLVM 11.0.0), Vulkan: 1.2.128, Compiler: GCC 9.2.0 + Clang 11.0.0, File-System: f2fs, Screen Resolution: 3440x1440

Kernel Notes: amdgpu.ppfeaturemask=0xfffd7fff
Environment Notes: DRI_PRIME=1
Processor Notes: Scaling Governor: acpi-cpufreq performance - CPU Microcode: 0x8701013
Security Notes: itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full AMD retpoline IBPB: conditional STIBP: conditional RSB filling + tsx_async_abort: Not affected

Single card PCIe 4.0x4 slot

Changed Disk to 240GB SanDisk SDSSDX24 + 2000GB Western Digital WD20EARS-00M + 3001GB Western Digital WD30EZRX-00D + 3001GB Western Digital WD30EFRX-68E.

Changed Graphics to Sapphire AMD Radeon RX 5700 / XT 8GB (2080/875MHz).

Single card PCIe 4.0x16 slot

Changed Disk to 2000GB Western Digital WD20EARS-00M + 240GB SanDisk SDSSDX24 + 3001GB Western Digital WD30EZRX-00D + 3001GB Western Digital WD30EFRX-68E.

Dual GPU PCIe configuration comparisonProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerOpenGLVulkanCompilerFile-SystemScreen Resolution2 cards prime offload to PCIe 4.0x4 slotSingle card PCIe 4.0x4 slotSingle card PCIe 4.0x16 slotAMD Ryzen 5 3600 6-Core @ 3.60GHz (6 Cores / 12 Threads)ASUS PRIME X570-P (1405 BIOS)AMD Starship/Matisse16384MB2000GB Western Digital WD20EARS-00M + 240GB SanDisk SDSSDX24 + 3001GB Western Digital WD30EZRX-00D + 3001GB Western Digital WD30EFRX-68ESapphire AMD Radeon RX 5700 / XT 2GB (2080/875MHz)AMD Navi 10 HDMI AudioKAMN341FQULARealtek RTL8111/8168/8411ManjaroLinux 18.1.55.5.0-1-MANJARO (x86_64)GNOME Shell 3.34.3X Server 1.20.74.6 Mesa 20.0.0-devel (git-02658df152) (LLVM 11.0.0)1.2.128GCC 9.2.0 + Clang 11.0.0f2fs3440x1440240GB SanDisk SDSSDX24 + 2000GB Western Digital WD20EARS-00M + 3001GB Western Digital WD30EZRX-00D + 3001GB Western Digital WD30EFRX-68ESapphire AMD Radeon RX 5700 / XT 8GB (2080/875MHz)2000GB Western Digital WD20EARS-00M + 240GB SanDisk SDSSDX24 + 3001GB Western Digital WD30EZRX-00D + 3001GB Western Digital WD30EFRX-68EOpenBenchmarking.orgKernel Details- amdgpu.ppfeaturemask=0xfffd7fffEnvironment Details- 2 cards prime offload to PCIe 4.0x4 slot: DRI_PRIME=1Processor Details- Scaling Governor: acpi-cpufreq performance - CPU Microcode: 0x8701013Security Details- itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full AMD retpoline IBPB: conditional STIBP: conditional RSB filling + tsx_async_abort: Not affected

Dual GPU PCIe configuration comparisonunigine-super: 3440 x 1440 - Fullscreen - High - OpenGLDifference2 cards prime offload to PCIe 4.0x4 slotSingle card PCIe 4.0x4 slotSingle card PCIe 4.0x16 slot32.71.00x35.81.09x35.91.10xOpenBenchmarking.org

Unigine Superposition

This test calculates the average frame-rate within the Superposition demo for the Unigine engine, released in 2017. This engine is extremely demanding on the system's graphics card. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterUnigine Superposition 1.0Resolution: 3440 x 1440 - Mode: Fullscreen - Quality: High - Renderer: OpenGL2 cards prime offload to PCIe 4.0x4 slotSingle card PCIe 4.0x4 slotSingle card PCIe 4.0x16 slot81624324032.735.835.9MAX: 36.1MAX: 39.9MAX: 40

MinAvgMax2 cards prime offload to PCIe 4.0x4 slot359640914129Single card PCIe 4.0x4 slot359440884169Single card PCIe 4.0x16 slot359340914182OpenBenchmarking.orgMegahertz, More Is BetterUnigine Superposition 1.0CPU Peak Freq (Highest CPU Core Frequency) Monitor11002200330044005500

MinAvgMax2 cards prime offload to PCIe 4.0x4 slot39.551.870.0Single card PCIe 4.0x4 slot38.951.267.4Single card PCIe 4.0x16 slot47.353.264.4OpenBenchmarking.orgCelsius, Fewer Is BetterUnigine Superposition 1.0CPU Temperature Monitor20406080100

MinAvgMax2 cards prime offload to PCIe 4.0x4 slot80018092080Single card PCIe 4.0x4 slot80017492080Single card PCIe 4.0x16 slot80017522080OpenBenchmarking.orgMegahertz, More Is BetterUnigine Superposition 1.0GPU Frequency Monitor5001000150020002500

MinAvgMax2 cards prime offload to PCIe 4.0x4 slot10.0162.2235.0Single card PCIe 4.0x4 slot31.0166.7215.0Single card PCIe 4.0x16 slot32.0166.3253.0OpenBenchmarking.orgWatts, Fewer Is BetterUnigine Superposition 1.0GPU Power Consumption Monitor70140210280350

MinAvgMax2 cards prime offload to PCIe 4.0x4 slot45.067.975.0Single card PCIe 4.0x4 slot48.067.775.0Single card PCIe 4.0x16 slot48.065.572.0OpenBenchmarking.orgCelsius, Fewer Is BetterUnigine Superposition 1.0GPU Temperature Monitor20406080100

MinAvgMax2 cards prime offload to PCIe 4.0x4 slot21.098.599.0Single card PCIe 4.0x4 slot2.097.899.0Single card PCIe 4.0x16 slot4.098.499.0OpenBenchmarking.orgPercent, Fewer Is BetterUnigine Superposition 1.0GPU Usage Monitor20406080100

2 cards prime offload to PCIe 4.0x4 slot

Processor: AMD Ryzen 5 3600 6-Core @ 3.60GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME X570-P (1405 BIOS), Chipset: AMD Starship/Matisse, Memory: 16384MB, Disk: 2000GB Western Digital WD20EARS-00M + 240GB SanDisk SDSSDX24 + 3001GB Western Digital WD30EZRX-00D + 3001GB Western Digital WD30EFRX-68E, Graphics: Sapphire AMD Radeon RX 5700 / XT 2GB (2080/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: KAMN341FQULA, Network: Realtek RTL8111/8168/8411

OS: ManjaroLinux 18.1.5, Kernel: 5.5.0-1-MANJARO (x86_64), Desktop: GNOME Shell 3.34.3, Display Server: X Server 1.20.7, OpenGL: 4.6 Mesa 20.0.0-devel (git-02658df152) (LLVM 11.0.0), Vulkan: 1.2.128, Compiler: GCC 9.2.0 + Clang 11.0.0, File-System: f2fs, Screen Resolution: 3440x1440

Kernel Notes: amdgpu.ppfeaturemask=0xfffd7fff
Environment Notes: DRI_PRIME=1
Processor Notes: Scaling Governor: acpi-cpufreq performance - CPU Microcode: 0x8701013
Security Notes: itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full AMD retpoline IBPB: conditional STIBP: conditional RSB filling + tsx_async_abort: Not affected

Testing initiated at 2 February 2020 20:30 by user unit327e.

Single card PCIe 4.0x4 slot

Processor: AMD Ryzen 5 3600 6-Core @ 3.60GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME X570-P (1405 BIOS), Chipset: AMD Starship/Matisse, Memory: 16384MB, Disk: 240GB SanDisk SDSSDX24 + 2000GB Western Digital WD20EARS-00M + 3001GB Western Digital WD30EZRX-00D + 3001GB Western Digital WD30EFRX-68E, Graphics: Sapphire AMD Radeon RX 5700 / XT 8GB (2080/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: KAMN341FQULA, Network: Realtek RTL8111/8168/8411

OS: ManjaroLinux 18.1.5, Kernel: 5.5.0-1-MANJARO (x86_64), Desktop: GNOME Shell 3.34.3, Display Server: X Server 1.20.7, OpenGL: 4.6 Mesa 20.0.0-devel (git-02658df152) (LLVM 11.0.0), Vulkan: 1.2.128, Compiler: GCC 9.2.0 + Clang 11.0.0, File-System: f2fs, Screen Resolution: 3440x1440

Kernel Notes: amdgpu.ppfeaturemask=0xfffd7fff
Processor Notes: Scaling Governor: acpi-cpufreq performance - CPU Microcode: 0x8701013
Security Notes: itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full AMD retpoline IBPB: conditional STIBP: conditional RSB filling + tsx_async_abort: Not affected

Testing initiated at 2 February 2020 20:48 by user unit327e.

Single card PCIe 4.0x16 slot

Processor: AMD Ryzen 5 3600 6-Core @ 3.60GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME X570-P (1405 BIOS), Chipset: AMD Starship/Matisse, Memory: 16384MB, Disk: 2000GB Western Digital WD20EARS-00M + 240GB SanDisk SDSSDX24 + 3001GB Western Digital WD30EZRX-00D + 3001GB Western Digital WD30EFRX-68E, Graphics: Sapphire AMD Radeon RX 5700 / XT 8GB (2080/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: KAMN341FQULA, Network: Realtek RTL8111/8168/8411

OS: ManjaroLinux 18.1.5, Kernel: 5.5.0-1-MANJARO (x86_64), Desktop: GNOME Shell 3.34.3, Display Server: X Server 1.20.7, OpenGL: 4.6 Mesa 20.0.0-devel (git-02658df152) (LLVM 11.0.0), Vulkan: 1.2.128, Compiler: GCC 9.2.0 + Clang 11.0.0, File-System: f2fs, Screen Resolution: 3440x1440

Kernel Notes: amdgpu.ppfeaturemask=0xfffd7fff
Processor Notes: Scaling Governor: acpi-cpufreq performance - CPU Microcode: 0x8701013
Security Notes: itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full AMD retpoline IBPB: conditional STIBP: conditional RSB filling + tsx_async_abort: Not affected

Testing initiated at 2 February 2020 21:12 by user unit327e.